Курсовая: Война Бесконечности

BusinessLogic/BusinessLogic/BillLogic.cs

@@ -0,0 +1,122 @@
+using MigraDoc;
+using PdfSharp;
+
+using MigraDoc.DocumentObjectModel;
+using MigraDoc.Rendering;
+using PdfSharp.Pdf;
+using Contracts.BusinessLogicContracts;
+using Contracts.ViewModels;
+using System.Security.Cryptography.X509Certificates;
+using BusinessLogic.Tools.Mail.MailTemplates;
+using BusinessLogic.Tools.Mail;
+using MigraDoc.DocumentObjectModel.Tables;
+
+namespace BusinessLogic.BusinessLogic
+{
+    public class BillLogic : IBillLogic
+    {
+        public void CreateBill(BillViewModel model)
+        {
+            string basePath = AppDomain.CurrentDomain.BaseDirectory;
+
+            string h1 = "АО \"21 guns\"";
+            string h2 = "г. Ульяновск, ул. Северный Венец, 32";
+
+            Document document = new Document();
+
+            // Изменение стиля Normal для установки шрифта Arial по умолчанию для всего документа
+            Style styleNormal = document.Styles["Normal"];
+            styleNormal.Font.Name = "Arial";
+
+            //document.Info.Title = $"{model.PurchaseId}";
+            Section section = document.AddSection();
+
+            section.PageSetup.PageFormat = PageFormat.A5;
+            section.PageSetup.Orientation = Orientation.Portrait;
+            section.PageSetup.BottomMargin = 10;
+            section.PageSetup.TopMargin = 10;
+
+            Paragraph h1Paragraph = section.AddParagraph(); // Заголовок
+            h1Paragraph.Format.Font.Bold = true;
+            h1Paragraph.Format.Font.Size = 16;
+            h1Paragraph.AddText(h1); // Текст заголовка
+
+            Paragraph h2Paragraph = section.AddParagraph();
+            h2Paragraph.Format.Font.Bold = true;
+            h2Paragraph.Format.Font.Size = 12;
+            h2Paragraph.AddText(h2);
+
+            Paragraph userParagraph = section.AddParagraph();
+            userParagraph.Format.Font.Size = 12;
+            userParagraph.AddText("Покупатель: " + model.UserLastName + ' ' + model.UserFirstName + ' ' + model.UserId 
+                + "\n" + "Чек отправлен на почту: " + model.UserEmail);
+
+
+            Paragraph producth1Paragraph = section.AddParagraph();
+            producth1Paragraph.Format.Font.Size = 16;
+            producth1Paragraph.AddText("Товары:");
+
+            Paragraph productListParagraph = section.AddParagraph();
+            productListParagraph.Format.Font.Size = 12;
+
+            Table table = section.AddTable();
+            table.Style = "Table";
+            table.Borders.Width = 0.75;
+
+            // Определение колонок
+            Column columnProduct = table.AddColumn(Unit.FromCentimeter(1));
+            columnProduct.Format.Alignment = ParagraphAlignment.Left;
+
+            Column columnPrice = table.AddColumn(Unit.FromCentimeter(1));
+            columnPrice.Format.Alignment = ParagraphAlignment.Right;
+
+            // Добавление строк с товарами
+            foreach (var product in model.Products)
+            {
+                Row row = table.AddRow();
+                row.Cells[0].AddParagraph(product.Name);
+                row.Cells[1].AddParagraph($"{product.ActualPrice} руб.");
+            }
+
+            Paragraph totalParagraph = section.AddParagraph();
+            totalParagraph.Format.Font.Size = 16;
+            totalParagraph.Format.Font.Bold = true;
+            totalParagraph.AddText("ИТОГ:");
+
+            Paragraph totalTextParagraph = section.AddParagraph();
+            totalTextParagraph.Format.Font.Size = 16;
+            totalTextParagraph.AddText(model.Count + " товаров на сумму " + model.Cost + " руб.");
+
+
+            // Определение стилей для заголовков
+            Style styleHeading1 = document.Styles["Heading1"];
+            styleHeading1.Font.Name = "Arial";
+            styleHeading1.Font.Size = 14;
+            styleHeading1.Font.Bold = true;
+
+            Style styleHeading2 = document.Styles["Heading2"];
+            styleHeading2.Font.Name = "Arial";
+            styleHeading2.Font.Size = 12;
+            styleHeading2.Font.Bold = true;
+
+            // Применение стилей к параграфам
+            h1Paragraph.Style = "Heading1";
+            h2Paragraph.Style = "Heading2";
+
+
+            var pdfRenderer = new PdfDocumentRenderer(true, PdfFontEmbedding.Always);
+            pdfRenderer.Document = document;
+            pdfRenderer.RenderDocument();
+
+            byte[] file = null;
+            // Сохраняем PDF в MemoryStream вместо файла
+            using (var stream = new MemoryStream())
+            {
+                pdfRenderer.PdfDocument.Save(stream);
+                file = stream.ToArray();
+            }
+
+            MailSender.Send(new MailBillSender(model.UserEmail, file));
+        }
+    }
+}

BusinessLogic/BusinessLogic/CartItemLogic.cs

@@ -0,0 +1,105 @@
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using DatabaseImplement.Implements;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BusinessLogic.BusinessLogic
+{
+    public class CartItemLogic : ICartItemLogic
+    {
+        private readonly ICartItemStorage _cartItemStorage;
+        private readonly ILogger _logger;
+        public CartItemLogic(ICartItemStorage cartItemStorage, ILogger<CartItemLogic> logger)
+        {
+            _cartItemStorage = cartItemStorage;
+            _logger = logger;
+        }
+        public bool Create(CartItemBindingModel model)
+        {
+            CheckModel(model);
+            if (_cartItemStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(CartItemBindingModel model)
+        {
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_cartItemStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public CartItemViewModel ReadElement(CartItemSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
+            var element = _cartItemStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public List<CartItemViewModel> ReadElements(CartItemSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
+            var list = model == null ? _cartItemStorage.GetFullList() : _cartItemStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(CartItemBindingModel model)
+        {
+            CheckModel(model);
+            if (_cartItemStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public void CheckModel(CartItemBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ProductName))
+            {
+                throw new ArgumentNullException("Нет категории", nameof(model.ProductName));
+            }
+
+            _logger.LogInformation("Cart Item. Id: { Id}", model.Id);
+        }
+    }
+}

BusinessLogic/BusinessLogic/ProductLogic.cs

@@ -23,6 +23,7 @@ namespace BusinessLogic.BusinessLogic
         }
         public bool Create(ProductBindingModel model)
         {
+            
             CheckModel(model);
             if (_productStorage.Insert(model) == null)
             {

BusinessLogic/BusinessLogic/PurchaseLogic.cs

@@ -103,14 +103,25 @@ namespace BusinessLogic.BusinessLogic
 			}
 			return purchase;
 		}
-        public PurchaseViewModel AddProduct(PurchaseSearchModel purchase_model, ProductSearchModel product_model, int count)
+		public List<CartItemViewModel> GetCartItems(PurchaseSearchModel model)
 		{
-            _purchaseStorage.AddProducts(purchase_model, product_model, count);
-			return _purchaseStorage.GetElement(purchase_model);
-        }
-		public Dictionary<Guid, int> GetProducts(PurchaseSearchModel model)
+            var items = _purchaseStorage.GetCartItems(model);
+            if (items is null)
             {
-            return _purchaseStorage.GetProducts(model);	
+                throw new Exception("Get operation failed.");
             }
+			return items;
+        }
+
+        public List<ProductViewModel> GetProducts(PurchaseSearchModel model)
+		{
+            var products = _purchaseStorage.GetProducts(model);
+            if (products is null)
+            {
+                throw new Exception("Get operation failed.");
+            }
+			return products;
+        }
+
     }
 }

BusinessLogic/BusinessLogic/SaleLogic.cs

@@ -0,0 +1,116 @@
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using DatabaseImplement.Implements;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BusinessLogic.BusinessLogic
+{
+    public class SaleLogic : ISaleLogic
+    {
+        private readonly ISaleStorage _saleStorage;
+        private readonly ILogger _logger;
+
+        public SaleLogic(ISaleStorage saleStorage, ILogger<SaleLogic> logger)
+        {
+            _saleStorage = saleStorage;
+            _logger = logger;
+        }
+
+        public bool Create(SaleBindingModel model)
+        {
+            CheckModel(model);
+            if (_saleStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(SaleBindingModel model)
+        {
+
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_saleStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public SaleViewModel ReadElement(SaleSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
+            var element = _saleStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public List<SaleViewModel> ReadElements(SaleSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
+            var list = model == null ? _saleStorage.GetFullList() : _saleStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(SaleBindingModel model)
+        {
+            CheckModel(model);
+            if (_saleStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public void CheckModel(SaleBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Category))
+            {
+                throw new ArgumentNullException("Нет категории", nameof(model.Category));
+            }
+
+            _logger.LogInformation("Sale. Id: { Id}", model.Id);
+            var element = _saleStorage.GetElement(new SaleSearchModel
+            {
+                Description = model.Description
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Акция с таким описанием уже есть");
+            }
+        }
+    }
+}

BusinessLogic/BusinessLogic/UserLogic.cs

@@ -181,5 +181,10 @@ namespace BusinessLogic.BusinessLogic
         {
             return _twoFactorAuthService.Verify(code);
         }
+
+        public void UpdateBonus(BonusUpdateBindingModel model)
+        {
+            _userStorage.UpdateBonus(model);
+        }
     }
 }

BusinessLogic/Tools/Mail/Mail.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Mail;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -12,5 +13,6 @@ namespace BusinessLogic.Tools.Mail
         public string Title { get; set; } = null!;
         public string Body { get; set; } = null!;
         public bool IsSendable { get; set; } = true;
+        public List<Attachment>? Attachments { get; set; } = new List<Attachment>();
     }
 }

BusinessLogic/Tools/Mail/MailSender.cs

@@ -42,6 +42,11 @@ namespace BusinessLogic.Tools.Mail
             message.Subject = mail.Title;
             message.Body = mail.Body;
 
+            foreach (var attachment in mail.Attachments)
+            {
+                message.Attachments.Add(attachment);
+            }
+
             client.Send(message);
         }
     }

BusinessLogic/Tools/Mail/MailTemplates/MailBillSender.cs

@@ -0,0 +1,28 @@
+using Contracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using DatabaseImplement.Models;
+
+namespace BusinessLogic.Tools.Mail.MailTemplates
+{
+    public class MailBillSender : Mail
+    {
+        public MailBillSender(string recipientEmail, byte[] invoicePdfBytes)
+        {
+            To = [recipientEmail];
+            Title = "Ваш чек";
+            Body = "";
+
+            // Создаем MemoryStream из байтового массива инвойса
+            var memoryStream = new MemoryStream(invoicePdfBytes);
+            // Создаем Attachment, используя MemoryStream
+            var attachment = new Attachment(memoryStream, "invoice.pdf", "application/pdf");
+            Attachments.Add(attachment);
+        }
+    }
+}

BusinessLogic/Tools/Mail/MailTemplates/MailTwoFactorCode.cs

@@ -15,7 +15,7 @@ namespace BusinessLogic.Tools.Mail.MailTemplates
             Title = "Ваш код для подтверждения";
             Body = $"Здравствуйте, {user.SecondName} {user.FirstName}! Вот Ваш код для подтверждения:\n" +
                 $"{code}\n" +
-                $"Если это не Вы, игноритруйте это сообщение.";
+                $"Если это не Вы, игнорируйте это сообщение.";
         }
     }
 }

Contracts/BindingModels/BonusUpdateBindingModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BindingModels
+{
+    public class BonusUpdateBindingModel
+    {
+        public Guid UserId { get; set; }
+        public int BonusPlus {  get; set; }
+        public int BonusMinus { get; set; }
+    }
+}

Contracts/BindingModels/CartItemBindingModel.cs

@@ -0,0 +1,20 @@
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BindingModels
+{
+    public class CartItemBindingModel : ICartItem
+    {
+        public Guid Id { get; set; }
+        public Guid ProductId { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+        public DateTime DateCreated { get; set; }
+        public int Count { get; set; }
+        public Guid UserId { get; set; }
+        public Guid? PurchaseId { get; set; }
+    }
+}

Contracts/BindingModels/ProductBindingModel.cs

@@ -15,5 +15,8 @@ namespace Contracts.BindingModels
 		public int Amount { get; set; }
 		public bool IsBeingSold { get; set; }
 		public double Rate {  get; set; }
+		public string? Description { get; set; }
+        public string? Category { get; set; }
+		public Guid? SaleId { get; set; }
     }
 }

Contracts/BindingModels/PurchaseBindingModel.cs

@@ -11,10 +11,12 @@ namespace Contracts.BindingModels
 	public class PurchaseBindingModel
 	{
 		public Guid Id { get; set; }
-		public DateTime DatePurchase { get; set; }
+        public DateTime DateCreated { get; set; }
+        public DateTime? DateClosed { get; set; }
         public Guid UserId { get; set; }
 		public PurchaseStatus Status { get; set; }
-		public Dictionary<Guid, (IProduct, int)>? PurchaseProducts { get; set; } = new();
+        public int ProductCount { get; set; }
 		public double Cost { get; set; }
+        public bool IsPaid { get; set; }
     }
 }

Contracts/BindingModels/SaleBindingModel.cs

@@ -0,0 +1,21 @@
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BindingModels
+{
+    public class SaleBindingModel : ISale
+    {
+        public string Category { get; set; } = string.Empty;
+        public string Description { get; set; } = string.Empty;
+        public string FullDescription { get; set; } = string.Empty;
+        public DateTime Start { get; set; }
+        public DateTime End { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public int Value { get; set; }
+        public Guid Id { get; set; }
+    }
+}

Contracts/BindingModels/UserBindingModel.cs

@@ -17,5 +17,6 @@ namespace Contracts.BindingModels
         public DateTime Birthday { get; set; }
         public bool OnlyImportantMails { get; set; }
         public RoleBindingModel Role { get; set; } = null!;
+        public int Bonus {  get; set; }
     }
 }

Contracts/BusinessLogicContracts/IBillLogic.cs

@@ -0,0 +1,14 @@
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BusinessLogicContracts
+{
+    public interface IBillLogic
+    {
+        void CreateBill(BillViewModel model);
+    }
+}

Contracts/BusinessLogicContracts/ICartItemLogic.cs

@@ -0,0 +1,24 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BusinessLogicContracts
+{
+    public interface ICartItemLogic
+    {
+        bool Create(CartItemBindingModel model);
+
+        bool Update(CartItemBindingModel model);
+
+        CartItemViewModel ReadElement(CartItemSearchModel model);
+
+        List<CartItemViewModel> ReadElements(CartItemSearchModel? model);
+
+        bool Delete(CartItemBindingModel model);
+    }
+}

Contracts/BusinessLogicContracts/IPurchaseLogic.cs

@@ -1,6 +1,7 @@
 using Contracts.BindingModels;
 using Contracts.SearchModels;
 using Contracts.ViewModels;
+using DataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -20,7 +21,7 @@ namespace Contracts.BusinessLogicContracts
 		List<PurchaseViewModel> ReadElements(PurchaseSearchModel? model);
 
 		PurchaseViewModel Delete(PurchaseSearchModel model);
-		PurchaseViewModel AddProduct(PurchaseSearchModel purchase, ProductSearchModel product, int count);
-		Dictionary<Guid, int> GetProducts(PurchaseSearchModel model);
+		List<CartItemViewModel> GetCartItems(PurchaseSearchModel model);
+		List<ProductViewModel> GetProducts(PurchaseSearchModel model);
     }
 }

Contracts/BusinessLogicContracts/ISaleLogic.cs

@@ -0,0 +1,24 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BusinessLogicContracts
+{
+    public interface ISaleLogic
+    {
+        bool Create(SaleBindingModel model);
+
+        bool Update(SaleBindingModel model);
+
+        SaleViewModel ReadElement(SaleSearchModel model);
+
+        List<SaleViewModel> ReadElements(SaleSearchModel? model);
+
+        bool Delete(SaleBindingModel model);
+    }
+}

Contracts/BusinessLogicContracts/IUserLogic.cs

@@ -25,5 +25,6 @@ namespace Contracts.BusinessLogicContracts
         IEnumerable<UserViewModel> ReadElements(UserSearchModel? model);
 
         UserViewModel Delete(UserSearchModel model);
+        void UpdateBonus(BonusUpdateBindingModel model);
     }
 }

Contracts/Converters/PurchaseConverter.cs

@@ -13,17 +13,21 @@ namespace Contracts.Converters
         public static PurchaseViewModel ToView(PurchaseBindingModel model) => new()
         {
             Id = model.Id,
-			DatePurchase = model.DatePurchase,
+            DateCreated = model.DateCreated,
             UserId = model.UserId,
-			PurchaseProducts = model.PurchaseProducts,
+            Status = model.Status,
+            ProductCount = model.ProductCount,
+            Cost = model.Cost
         };
 
         public static PurchaseBindingModel ToBinding(PurchaseViewModel model) => new()
         {
             Id = model.Id,
-			DatePurchase = model.DatePurchase,
+            DateCreated = model.DateCreated,
             UserId = model.UserId,
-            PurchaseProducts = model.PurchaseProducts,
+            Status = model.Status,
+            ProductCount = model.ProductCount,
+            Cost = model.Cost
         };
     }
 }

Contracts/Converters/SellConverter.cs

@@ -1,28 +0,0 @@
-using Contracts.BindingModels;
-using Contracts.ViewModels;
-using DataModels.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Contracts.Converters
-{
-    public class SellConverter
-    {
-        public static SellViewModel ToView(SellBindingModel model) => new()
-        {
-            Id = model.Id,
-            DateSell = model.DateSell,
-            UserId = model.UserId
-        };
-
-        public static SellBindingModel ToBinding(SellViewModel model) => new()
-        {
-            Id = model.Id,
-            DateSell = model.DateSell,
-            UserId = model.UserId
-        };
-    }
-}

Contracts/Converters/UserConverter.cs

@@ -19,6 +19,7 @@ namespace Contracts.Converters
             Birthday = model.Birthday,
             OnlyImportantMails = model.OnlyImportantMails,
             Role = RoleConverter.ToView(model.Role),
+            Bonus = model.Bonus,
         };
 
         public static UserBindingModel ToBinding(UserViewModel model) => new()
@@ -30,6 +31,7 @@ namespace Contracts.Converters
             Birthday = model.Birthday,
             OnlyImportantMails = model.OnlyImportantMails,
             Role = RoleConverter.ToBinding(model.Role),
+            Bonus = model.Bonus,
         };
     }
 }

Contracts/SearchModels/CartItemSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.SearchModels
+{
+    public class CartItemSearchModel
+    {
+        public Guid? Id { get; set; }
+        public Guid? ProductId { get; set; }
+        public string? ProductName { get; set; }
+        public Guid? UserId { get; set; }
+    }
+}

Contracts/SearchModels/ProductSearchModel.cs

@@ -16,5 +16,6 @@ namespace Contracts.SearchModels
         public double? Rate { get; set; }
 		public int? Amount { get; set; }
 		public bool? IsBeingSold { get; set; }
+		public string? Category { get; set; }
 	}
 }

Contracts/SearchModels/PurchaseSearchModel.cs

@@ -16,5 +16,6 @@ namespace Contracts.SearchModels
 		public double? CostFrom { get; set; }
 		public double? CostTo { get; set; }
 		public PurchaseStatus? Status { get; set; }
+		public Guid UserId { get; set; }
 	}
 }

Contracts/SearchModels/SaleSearchModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.SearchModels
+{
+    public class SaleSearchModel
+    {
+        public Guid? Id { get; set; }
+        public string? Category { get; set; }
+        public string? Description { get; set; }
+    }
+}

Contracts/StorageContracts/ICartItemStorage.cs

@@ -0,0 +1,21 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.StorageContracts
+{
+    public interface ICartItemStorage
+    {
+        List<CartItemViewModel> GetFullList();
+        List<CartItemViewModel> GetFilteredList(CartItemSearchModel model);
+        CartItemViewModel? GetElement(CartItemSearchModel model);
+        CartItemViewModel? Insert(CartItemBindingModel model);
+        CartItemViewModel? Update(CartItemBindingModel model);
+        CartItemViewModel? Delete(CartItemBindingModel model);
+    }
+}

Contracts/StorageContracts/IPurchaseStorage.cs

@@ -1,6 +1,7 @@
 using Contracts.BindingModels;
 using Contracts.SearchModels;
 using Contracts.ViewModels;
+using DataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -21,7 +22,7 @@ namespace Contracts.StorageContracts
         PurchaseViewModel? Update(PurchaseBindingModel model);
 
         PurchaseViewModel? Delete(PurchaseSearchModel model);
-        PurchaseViewModel? AddProducts(PurchaseSearchModel purchaseModel, ProductSearchModel productModel, int count);
-        Dictionary<Guid, int> GetProducts(PurchaseSearchModel purchaseModel);
+        List<CartItemViewModel> GetCartItems(PurchaseSearchModel purchaseModel);
+        List<ProductViewModel> GetProducts(PurchaseSearchModel model);
     }
 }

Contracts/StorageContracts/ISaleStorage.cs

@@ -0,0 +1,21 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.StorageContracts
+{
+    public interface ISaleStorage
+    {
+        List<SaleViewModel> GetFullList();
+        List<SaleViewModel> GetFilteredList(SaleSearchModel model);
+        SaleViewModel? GetElement(SaleSearchModel model);
+        SaleViewModel? Insert(SaleBindingModel model);
+        SaleViewModel? Update(SaleBindingModel model);
+        SaleViewModel? Delete(SaleBindingModel model);
+    }
+}

Contracts/StorageContracts/IUserStorage.cs

@@ -19,5 +19,7 @@ namespace Contracts.StorageContracts
 		UserBindingModel? Update(UserBindingModel model);
 
 		UserBindingModel? Delete(UserSearchModel model);
+		void UpdateBonus(BonusUpdateBindingModel model);
+
     }
 }

Contracts/ViewModels/BillViewModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+    public class BillViewModel
+    {       
+        public Guid UserId { get; set; }
+        public Guid PurchaseId { get; set; }
+        public List<ProductViewModel> Products { get; set; } = new List<ProductViewModel>();
+        public int Count { get; set; }
+        public double Cost { get; set; }
+        public DateTime DateCreated { get; set; }
+        public string UserFirstName { get; set; } = string.Empty;
+        public string UserLastName { get; set; } = string.Empty;
+        public string UserEmail { get; set; } = string.Empty;
+
+    }
+}

Contracts/ViewModels/CartItemViewModel.cs

@@ -0,0 +1,21 @@
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+    public class CartItemViewModel
+    {
+        public Guid Id { get; set; }
+        public Guid UserId { get; set; }
+        public Guid ProductId { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+        public DateTime DateCreated { get; set; }
+        public int Count { get; set; }
+        public Guid? PurchaseId { get; set; }
+    }
+}

Contracts/ViewModels/PaymentViewModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+    public class PaymentViewModel
+    {
+        public Guid UserId { get; set; }
+        public string UserFirstName {  get; set; } = string.Empty;
+        public string UserSecondName { get; set; } = string.Empty;
+        public string Email { get; set; } = string.Empty;
+        public int ProductCount { get; set; }
+        public double Cost { get; set; }
+        public int? Bonus { get; set; }
+    }
+}

Contracts/ViewModels/ProductViewModel.cs

@@ -12,9 +12,13 @@ namespace Contracts.ViewModels
         public Guid Id { get; set; }
         public string Name { get; set; } = string.Empty;
         public double Price {  get; set; }
+        public double ActualPrice { get; set; }
         public double Rate { get; set; }
         public bool IsBeingSold { get; set; }
         public int Amount { get; set; }
+        public string? Category { get; set; }
+        public string? Description { get; set; }
         public List<MediaFileViewModel> MediaFiles { get; set; } = new();
+        public Guid? SaleId { get; set; }
     }
 }

Contracts/ViewModels/PurchaseViewModel.cs

@@ -11,10 +11,12 @@ namespace Contracts.ViewModels
 	public class PurchaseViewModel
 	{
 		public Guid Id { get; set; }
-		public DateTime DatePurchase { get; set; }
+        public DateTime DateCreated { get; set; }
+        public DateTime? DateClosed { get; set; }
         public required Guid UserId { get; set; }
 		public PurchaseStatus Status { get; set; }
-		public Dictionary<Guid, (IProduct, int)>? PurchaseProducts { get; set; } = new();
+		public int ProductCount { get; set; }
 		public double Cost { get; set; }
+		public bool IsPaid { get; set; }
     }
 }

Contracts/ViewModels/SaleViewModel.cs

@@ -0,0 +1,21 @@
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+    public class SaleViewModel : ISale
+    {
+        public string Category { get; set; } = string.Empty;
+        public string Description { get; set; } = string.Empty;
+        public string FullDescription { get; set; } = string.Empty;
+        public DateTime Start {  get; set; }
+        public DateTime End { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public int Value { get; set; }
+        public Guid Id { get; set; }
+    }
+}

Contracts/ViewModels/UserProductViewModel.cs

@@ -10,6 +10,7 @@ namespace Contracts.ViewModels
 	{
 		public string Name { get; set; } = string.Empty;
 		public double Price { get; set; }
+		public string Description { get; set; } = string.Empty;
         public double Rate { get; set; }
 	}
 }

Contracts/ViewModels/UserViewModel.cs

@@ -15,5 +15,6 @@ namespace Contracts.ViewModels
         public DateTime Birthday { get; set; }
         public bool OnlyImportantMails { get; set; }
         public RoleViewModel Role { get; set; } = null!;
+        public int Bonus { get; set; }
     }
 }

DataModels/Models/ICartItem.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataModels.Models
+{
+    public interface ICartItem : IId
+    {
+        Guid UserId { get; }
+        int Count { get; }
+        DateTime DateCreated { get; set; }
+        Guid ProductId { get; set; }
+        string ProductName { get; set; }    
+    }
+}

DataModels/Models/IProduct.cs

@@ -13,7 +13,7 @@ namespace DataModels.Models
 		bool IsBeingSold { get; }
 		public double Rate { get; }
 		int Amount { get; }
-		// будут браться через mediafilestorage так что скорее всего это тут не надо
-		// List<IMediaFile> MediaFiles { get; }
+		string Category { get; }
+		string Description { get; }
 	}
 }

DataModels/Models/IPurchase.cs

@@ -9,8 +9,11 @@ namespace DataModels.Models
 {
 	public interface IPurchase : IId
 	{
-		DateTime DatePurchase { get; }
+		DateTime DateCreated { get; }
+        DateTime? DateClosed { get; }
         PurchaseStatus Status { get; }
+		int ProductCount { get; }
 		double Cost { get; }
+		bool IsPaid { get; }
 	}
 }

DataModels/Models/ISale.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataModels.Models
+{
+    public interface ISale : IId
+    {
+        public string Category { get; set; }
+        public string Description { get; set; }
+        public string FullDescription { get; set; }
+        public string Name { get; set; }
+        public int Value { get; set; }
+        public DateTime Start {  get; set; }
+        public DateTime End { get; set; }
+    }
+}

DataModels/Models/IUser.cs

@@ -14,5 +14,6 @@ namespace DataModels.Models
         string Email { get; }
         DateTime Birthday { get; }
         bool OnlyImportantMails { get; }
+        int Bonus { get; }
     }
 }

DatabaseImplement/Database.cs

@@ -31,8 +31,10 @@ namespace DatabaseImplement
 		public virtual DbSet<Supplier> Suppliers { get; set; } = null!;
 		public virtual DbSet<SupplierProduct> SupplierProducts { get; set; } = null!;
 		public virtual DbSet<MediaFile> MediaFiles { get; set; } = null!;
-		public virtual DbSet<PurchaseProducts> PurchaseProducts { get; set; } = null!;
         public virtual DbSet<SellProducts> SellProducts { get; set; } = null!;
         public virtual DbSet<SupplyDoc> SupplyDocs { get; set; } = null!;
+        public virtual DbSet<CartItem> CartItems { get; set; } = null!;
+        public virtual DbSet<Sale> Sales { get; set; } = null!;
+        
     }
 }

DatabaseImplement/Implements/CartItemStorage.cs

@@ -0,0 +1,112 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using DatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Implements
+{
+    public class CartItemStorage : ICartItemStorage
+    {
+        public CartItemViewModel? Delete(CartItemBindingModel model)
+        {
+            using var context = new Database();
+            var element = context.CartItems
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.CartItems.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public CartItemViewModel? GetElement(CartItemSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new Database();
+            return context.CartItems
+            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<CartItemViewModel> GetFilteredList(CartItemSearchModel model)
+        {
+            if (model.UserId == Guid.Empty && string.IsNullOrEmpty(model.ProductName))
+            {
+                return new();
+            }
+            using var context = new Database();
+            if (model.UserId != Guid.Empty)
+            {
+                return context.CartItems
+                .Where(x => x.UserId == model.UserId)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+            }
+            return context.CartItems
+                .Where(x => x.ProductName.Contains(model.ProductName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<CartItemViewModel> GetFullList()
+        {
+            using var context = new Database();
+            return context.CartItems
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public CartItemViewModel? Insert(CartItemBindingModel model)
+        {
+            using var context = new Database();
+            var newItem = CartItem.Create(context, model);
+            if (newItem == null)
+            {
+                return null;
+            }
+
+            context.CartItems.Add(newItem);
+            context.SaveChanges();
+            return newItem.GetViewModel;
+        }
+
+        public CartItemViewModel? Update(CartItemBindingModel model)
+        {
+            using var context = new Database();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var item = context.CartItems.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+
+                if (item == null)
+                {
+                    return null;
+                }
+                item.Update(model);
+
+                context.SaveChanges();
+                transaction.Commit();
+                return new();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+    }
+}

DatabaseImplement/Implements/ProductStorage.cs

@@ -35,20 +35,22 @@ namespace DatabaseImplement.Implements
                 return null;
             }
             using var context = new Database();
-            return context.Products
-            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+            return context.Products.Include(x => x.Sale)
+            .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
         }
 
         public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
         {
-            if (!model.IsBeingSold.HasValue && !model.PriceFrom.HasValue && !model.PriceTo.HasValue && !model.Price.HasValue && !model.Rate.HasValue && !model.Amount.HasValue && string.IsNullOrEmpty(model.Name))
+            if (!model.IsBeingSold.HasValue && !model.PriceFrom.HasValue && !model.PriceTo.HasValue && !model.Price.HasValue && !model.Rate.HasValue 
+                && !model.Amount.HasValue && string.IsNullOrEmpty(model.Name) && string.IsNullOrEmpty(model.Category))
             {
                 return new();
             }
             using var context = new Database();
+
             if (model.Price.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.Price <= model.Price)
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -56,7 +58,7 @@ namespace DatabaseImplement.Implements
             }
             if (model.PriceFrom.HasValue && model.PriceTo.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.Price <= model.PriceTo && x.Price >= model.PriceFrom)
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -64,7 +66,7 @@ namespace DatabaseImplement.Implements
             }
             if (model.PriceFrom.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.Price >= model.PriceFrom)
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -72,7 +74,7 @@ namespace DatabaseImplement.Implements
             }
             if (model.PriceTo.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.Price <= model.PriceTo)
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -80,7 +82,7 @@ namespace DatabaseImplement.Implements
             }
             if (model.Rate.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.Rate <= model.Rate)
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -88,13 +90,21 @@ namespace DatabaseImplement.Implements
             }
             if (model.Amount.HasValue && model.IsBeingSold.HasValue)
             {
-                return context.Products
+                return context.Products.Include(x => x.Sale)
                 .Where(x => x.IsBeingSold == model.IsBeingSold && x.Amount >= model.Amount)
                 .ToList()
                 .Select(x => x.GetViewModel)
                 .ToList();
             }
-            return context.Products
+            if (!string.IsNullOrEmpty(model.Category))
+            {
+                return context.Products.Include(x => x.Sale)
+                .Where(x => x.Category == model.Category)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+            }
+            return context.Products.Include(x => x.Sale)
                 .Where(x => x.Name.Contains(model.Name))
                 .ToList()
                 .Select(x => x.GetViewModel)
@@ -104,7 +114,7 @@ namespace DatabaseImplement.Implements
         public List<ProductViewModel> GetFullList()
         {
             using var context = new Database();
-            return context.Products
+            return context.Products.Include(x => x.Sale)
             .ToList()
             .Select(x => x.GetViewModel)
             .ToList();
@@ -114,6 +124,16 @@ namespace DatabaseImplement.Implements
         {
             using var context = new Database();
             var newProduct = Product.Create(context, model);
+
+            foreach (var sale in context.Sales)
+            {
+                if (sale.Category == newProduct.Category)
+                {
+                    newProduct.Sale = sale;
+                    newProduct.SaleId = sale.Id;
+                }
+            }
+
             if (newProduct == null)
             {
                 return null;
@@ -129,7 +149,7 @@ namespace DatabaseImplement.Implements
             using var transaction = context.Database.BeginTransaction();
             try
             {
-                var product = context.Products.FirstOrDefault(rec =>
+                var product = context.Products.Include(x => x.Sale).FirstOrDefault(rec =>
                 rec.Id == model.Id);
                 if (product == null)
                 {

DatabaseImplement/Implements/PurchaseStorage.cs

@@ -3,6 +3,7 @@ using Contracts.SearchModels;
 using Contracts.StorageContracts;
 using Contracts.ViewModels;
 using DatabaseImplement.Models;
+using DataModels.Models;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
@@ -35,8 +36,6 @@ namespace DatabaseImplement.Implements
             }
             using var context = new Database();
             return context.Purchases
-            .Include(x => x.Products)
-            .ThenInclude(x => x.Product)
             .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
         }
 
@@ -44,8 +43,6 @@ namespace DatabaseImplement.Implements
 		{
             using var context = new Database();
             return context.Purchases
-            .Include(x => x.Products)
-            .ThenInclude(x => x.Product)
             .ToList()
             .Select(x => x.GetViewModel)
             .ToList();
@@ -53,7 +50,8 @@ namespace DatabaseImplement.Implements
         public List<PurchaseViewModel> GetFilteredList(PurchaseSearchModel? model)
         {
             using var context = new Database();
-            if (!model.CostFrom.HasValue && !model.CostTo.HasValue && !model.DateTo.HasValue && !model.DateFrom.HasValue && !model.Status.HasValue)
+            if (model.UserId == Guid.Empty && !model.CostFrom.HasValue && !model.CostTo.HasValue && !model.DateTo.HasValue 
+                && !model.DateFrom.HasValue && !model.Status.HasValue)
             {
                 return new();
             }
@@ -85,7 +83,7 @@ namespace DatabaseImplement.Implements
             if (model.DateFrom.HasValue && model.DateTo.HasValue)
             {
                 return context.Purchases
-                .Where(x => x.DatePurchase <= model.DateTo && x.DatePurchase >= model.DateFrom)
+                .Where(x => x.DateCreated <= model.DateTo && x.DateCreated >= model.DateFrom)
                 .ToList()
                 .Select(x => x.GetViewModel)
                 .ToList();
@@ -93,7 +91,7 @@ namespace DatabaseImplement.Implements
             if (model.DateFrom.HasValue)
             {
                 return context.Purchases
-                .Where(x => x.DatePurchase >= model.DateFrom)
+                .Where(x => x.DateCreated >= model.DateFrom)
                 .ToList()
                 .Select(x => x.GetViewModel)
                 .ToList();
@@ -101,14 +99,20 @@ namespace DatabaseImplement.Implements
             if (model.DateTo.HasValue)
             {
                 return context.Purchases
-                .Where(x => x.DatePurchase <= model.DateTo)
+                .Where(x => x.DateCreated <= model.DateTo)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+            }
+            if (model.UserId != Guid.Empty)
+            {
+                return context.Purchases
+                .Where(x => x.UserId == model.UserId)
                 .ToList()
                 .Select(x => x.GetViewModel)
                 .ToList();
             }
             return context.Purchases
-            .Include(x => x.Products)
-            .ThenInclude(x => x.Product)
             .ToList()
             .Select(x => x.GetViewModel)
             .ToList();
@@ -120,6 +124,24 @@ namespace DatabaseImplement.Implements
             var purchase = Purchase.Create(context, model);
             if (purchase == null)
                 return null;
+
+
+            var cartItems = context.CartItems
+                .Where(x => x.PurchaseId == model.Id).ToList()
+                .Select(x => x.GetViewModel).ToList();
+
+            var products = new List<Product>();
+
+            foreach (var item in cartItems)
+            {
+                var product = context.Products
+                    .Where(x => x.Id == item.ProductId)
+                    .FirstOrDefault();
+
+                products.Add(product);
+            }
+
+            purchase.Products = products;
             context.Purchases.Add(purchase);
             context.SaveChanges();
             return purchase.GetViewModel;
@@ -139,7 +161,6 @@ namespace DatabaseImplement.Implements
                 }
                 purchase.Update(model);
                 context.SaveChanges();
-                purchase.UpdateProducts(context, model);
                 transaction.Commit();
                 return purchase.GetViewModel;
             }
@@ -149,64 +170,44 @@ namespace DatabaseImplement.Implements
                 throw;
             }
         }
-        public PurchaseViewModel? AddProducts(PurchaseSearchModel purchaseModel, ProductSearchModel productModel, int count) 
+
+        public List<CartItemViewModel> GetCartItems(PurchaseSearchModel model)
         {
             using var context = new Database();
-            using var transaction = context.Database.BeginTransaction();
-            try
+
+            var cartItems = context.CartItems
+                .Where(x => x.PurchaseId == model.Id).ToList()
+                .Select(x => x.GetViewModel).ToList();
+
+            if (cartItems == null)
             {
-                var purchase = context.Purchases.FirstOrDefault(rec =>
-                rec.Id == purchaseModel.Id);
-
-                var product = context.Products.FirstOrDefault(rec =>
-                rec.Id == productModel.Id);
-
-                if (purchase == null)
                 return null;
-
-                if (product == null)
-                    return null;
-
-                if (count <= 0)
-                    return null;
-
-                context.PurchaseProducts.Add(new PurchaseProducts
-                {
-                    Purchase = purchase,
-                    Product = product,
-                    Count = count
-                });
-                context.SaveChanges();
-                return purchase.GetViewModel;
-            }
-            catch { transaction.Rollback(); throw; }
-            
             }
 
-        public Dictionary<Guid, int> GetProducts(PurchaseSearchModel model)
+            return cartItems;
+        }
+
+        public List<ProductViewModel> GetProducts(PurchaseSearchModel model)
         {
-            Dictionary<Guid, int> productsDict = new();
             using var context = new Database();
 
-            var purchase = context.Purchases.FirstOrDefault(rec =>
-                rec.Id == model.Id);
-
-            if (purchase == null)
+            if (!model.Id.HasValue)
             {
                 return null;
             }
 
-            var purchaseProducts = context.PurchaseProducts
-               .Where(x => x.PurchaseId == model.Id)
-               .ToList();
+            var purchase = context.Purchases
+            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id));
 
-            foreach (var purchaseProduct in purchaseProducts)
-            {
-                productsDict.Add(purchaseProduct.ProductId, purchaseProduct.Count);
+            var products = new List<ProductViewModel>();
+
+            if (purchase.Products == null)
+                return null;
+
+            foreach (var product in purchase.Products)
+                products.Add(product.GetViewModel);
+
+            return products;
         }
-
-            return productsDict;
-        }
-
     }
 }

DatabaseImplement/Implements/SaleStorage.cs

@@ -0,0 +1,113 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using DatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Implements
+{
+    public class SaleStorage : ISaleStorage
+    {
+        public SaleViewModel? Delete(SaleBindingModel model)
+        {
+            using var context = new Database();
+            var element = context.Sales
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Sales.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public SaleViewModel? GetElement(SaleSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new Database();
+            return context.Sales
+            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<SaleViewModel> GetFilteredList(SaleSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Category))
+            {
+                return new();
+            }
+            using var context = new Database();
+            return context.Sales
+                .Where(x => x.Category.Contains(model.Category))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<SaleViewModel> GetFullList()
+        {
+            using var context = new Database();
+            return context.Sales
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public SaleViewModel? Insert(SaleBindingModel model)
+        {
+            using var context = new Database();
+            var newSale = Sale.Create(context, model);
+            if (newSale == null)
+            {
+                return null;
+            }
+
+            foreach (var product in context.Products)
+            {
+                if (product.Category == newSale.Category)
+                {
+                    product.Sale = newSale;
+                    product.SaleId = newSale.Id;
+                }
+            }
+            context.Sales.Add(newSale);
+            context.SaveChanges();
+            return newSale.GetViewModel;
+        }
+
+        public SaleViewModel? Update(SaleBindingModel model)
+        {
+            using var context = new Database();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var sale = context.Sales.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+
+                if (sale == null)
+                {
+                    return null;
+                }
+                sale.Update(model);
+                
+                context.SaveChanges();
+                transaction.Commit();
+                return new();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+    }
+}

DatabaseImplement/Implements/UserStorage.cs

@@ -106,5 +106,20 @@ namespace DatabaseImplement.Implements
             context.SaveChanges();
             return user.GetBindingModel();
         }
+
+        public void UpdateBonus(BonusUpdateBindingModel model)
+        {
+            var context = new Database();
+            var user = context.Users
+                .FirstOrDefault(u => u.Id == model.UserId);
+
+            if (user is null)
+                return;
+
+            user.Bonus += model.BonusPlus;
+            user.Bonus -= model.BonusMinus;
+
+            context.SaveChanges();
+        }
     }
 }

DatabaseImplement/Migrations/20240702133630_prod.Designer.cs

@@ -0,0 +1,503 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240702133630_prod")]
+    partial class prod
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240702133630_prod.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class prod : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Category",
+                table: "Products",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Description",
+                table: "Products",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Category",
+                table: "Products");
+
+            migrationBuilder.DropColumn(
+                name: "Description",
+                table: "Products");
+        }
+    }
+}

DatabaseImplement/Migrations/20240714172818_bonus.Designer.cs

@@ -0,0 +1,506 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240714172818_bonus")]
+    partial class bonus
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240714172818_bonus.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class bonus : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "Bonus",
+                table: "Users",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Bonus",
+                table: "Users");
+        }
+    }
+}

DatabaseImplement/Migrations/20240714214732_sale.Designer.cs

@@ -0,0 +1,536 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240714214732_sale")]
+    partial class sale
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany()
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240714214732_sale.cs

@@ -0,0 +1,101 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class sale : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "Products",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Category",
+                table: "Products",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "SaleId",
+                table: "Products",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "Sales",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Category = table.Column<string>(type: "text", nullable: true),
+                    Description = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sales", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_SaleId",
+                table: "Products",
+                column: "SaleId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Products_Sales_SaleId",
+                table: "Products",
+                column: "SaleId",
+                principalTable: "Sales",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Products_Sales_SaleId",
+                table: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Sales");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Products_SaleId",
+                table: "Products");
+
+            migrationBuilder.DropColumn(
+                name: "SaleId",
+                table: "Products");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "Products",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Category",
+                table: "Products",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+    }
+}

DatabaseImplement/Migrations/20240715001559_sale2.Designer.cs

@@ -0,0 +1,541 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240715001559_sale2")]
+    partial class sale2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240715001559_sale2.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class sale2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

DatabaseImplement/Migrations/20240715122630_sale-update.Designer.cs

@@ -0,0 +1,548 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240715122630_sale-update")]
+    partial class saleupdate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240715122630_sale-update.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class saleupdate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Name",
+                table: "Sales",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<int>(
+                name: "Value",
+                table: "Sales",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Name",
+                table: "Sales");
+
+            migrationBuilder.DropColumn(
+                name: "Value",
+                table: "Sales");
+        }
+    }
+}

DatabaseImplement/Migrations/20240715233951_sale3.Designer.cs

@@ -0,0 +1,558 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240715233951_sale3")]
+    partial class sale3
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240715233951_sale3.cs

@@ -0,0 +1,52 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class sale3 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "End",
+                table: "Sales",
+                type: "timestamp without time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.AddColumn<string>(
+                name: "FullDescription",
+                table: "Sales",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "Start",
+                table: "Sales",
+                type: "timestamp without time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "End",
+                table: "Sales");
+
+            migrationBuilder.DropColumn(
+                name: "FullDescription",
+                table: "Sales");
+
+            migrationBuilder.DropColumn(
+                name: "Start",
+                table: "Sales");
+        }
+    }
+}

DatabaseImplement/Migrations/20240716134506_cartitem.Designer.cs

@@ -0,0 +1,601 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240716134506_cartitem")]
+    partial class cartitem
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240716134506_cartitem.cs

@@ -0,0 +1,68 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class cartitem : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DatePurchase",
+                table: "Purchases",
+                type: "timestamp without time zone",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp without time zone");
+
+            migrationBuilder.CreateTable(
+                name: "CartItems",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false),
+                    DateCreated = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    ProductId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ProductName = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CartItems", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_CartItems_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CartItems_ProductId",
+                table: "CartItems",
+                column: "ProductId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CartItems");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DatePurchase",
+                table: "Purchases",
+                type: "timestamp without time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp without time zone",
+                oldNullable: true);
+        }
+    }
+}

DatabaseImplement/Migrations/20240717230804_cartitem2.Designer.cs

@@ -0,0 +1,598 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240717230804_cartitem2")]
+    partial class cartitem2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("PurchaseProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("PurchaseProducts");
+
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240717230804_cartitem2.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class cartitem2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Cost",
+                table: "CartItems");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<double>(
+                name: "Cost",
+                table: "CartItems",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+        }
+    }
+}

DatabaseImplement/Migrations/20240718212855_purchaseitems.Designer.cs

@@ -0,0 +1,559 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240718212855_purchaseitems")]
+    partial class purchaseitems
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DatePurchase")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany()
+                        .HasForeignKey("PurchaseId");
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240718212855_purchaseitems.cs

@@ -0,0 +1,88 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class purchaseitems : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "PurchaseProducts");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "PurchaseId",
+                table: "CartItems",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CartItems_PurchaseId",
+                table: "CartItems",
+                column: "PurchaseId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_CartItems_Purchases_PurchaseId",
+                table: "CartItems",
+                column: "PurchaseId",
+                principalTable: "Purchases",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_CartItems_Purchases_PurchaseId",
+                table: "CartItems");
+
+            migrationBuilder.DropIndex(
+                name: "IX_CartItems_PurchaseId",
+                table: "CartItems");
+
+            migrationBuilder.DropColumn(
+                name: "PurchaseId",
+                table: "CartItems");
+
+            migrationBuilder.CreateTable(
+                name: "PurchaseProducts",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    ProductId = table.Column<Guid>(type: "uuid", nullable: false),
+                    PurchaseId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PurchaseProducts", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PurchaseProducts_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PurchaseProducts_Purchases_PurchaseId",
+                        column: x => x.PurchaseId,
+                        principalTable: "Purchases",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseProducts_ProductId",
+                table: "PurchaseProducts",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseProducts_PurchaseId",
+                table: "PurchaseProducts",
+                column: "PurchaseId");
+        }
+    }
+}

DatabaseImplement/Migrations/20240718214141_purchasepatch.Designer.cs

@@ -0,0 +1,562 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240718214141_purchasepatch")]
+    partial class purchasepatch
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DateClosed")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany()
+                        .HasForeignKey("PurchaseId");
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240718214141_purchasepatch.cs

@@ -0,0 +1,40 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class purchasepatch : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.RenameColumn(
+                name: "DatePurchase",
+                table: "Purchases",
+                newName: "DateClosed");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "DateCreated",
+                table: "Purchases",
+                type: "timestamp without time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "DateCreated",
+                table: "Purchases");
+
+            migrationBuilder.RenameColumn(
+                name: "DateClosed",
+                table: "Purchases",
+                newName: "DatePurchase");
+        }
+    }
+}

DatabaseImplement/Migrations/20240720140718_purchase2.Designer.cs

@@ -0,0 +1,565 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240720140718_purchase2")]
+    partial class purchase2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DateClosed")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("ProductCount")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany()
+                        .HasForeignKey("PurchaseId");
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240720140718_purchase2.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class purchase2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "ProductCount",
+                table: "Purchases",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "ProductCount",
+                table: "Purchases");
+        }
+    }
+}

DatabaseImplement/Migrations/20240722134201_purchase3.Designer.cs

@@ -0,0 +1,568 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240722134201_purchase3")]
+    partial class purchase3
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("CartItems");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Image")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("MediaFiles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Amount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsBeingSold")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<double>("Rate")
+                        .HasColumnType("double precision");
+
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SaleId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime?>("DateClosed")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<bool>("IsPaid")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("ProductCount")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateSell")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Sells");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SellId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SellId");
+
+                    b.ToTable("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Deals")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("SupplierProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateArriving")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateComplete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("SupplierId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("Supplies");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyDoc", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SupplyDocs");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SupplyId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("SupplyId");
+
+                    b.ToTable("SupplyProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("OnlyImportantMails")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany()
+                        .HasForeignKey("PurchaseId");
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SellProducts", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany("SellProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Sell", "Sell")
+                        .WithMany("Products")
+                        .HasForeignKey("SellId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sell");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplierProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.SupplyProduct", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Supply", "Supply")
+                        .WithMany("Products")
+                        .HasForeignKey("SupplyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Supply");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("SellProducts");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supplier", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.Supply", b =>
+                {
+                    b.Navigation("Products");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240722134201_purchase3.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class purchase3 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "IsPaid",
+                table: "Purchases",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "IsPaid",
+                table: "Purchases");
+        }
+    }
+}

DatabaseImplement/Migrations/DatabaseModelSnapshot.cs

@@ -22,6 +22,40 @@ namespace DatabaseImplement.Migrations
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<Guid>("ProductId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PurchaseId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("CartItems");
+                });
+
             modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
                 {
                     b.Property<Guid>("Id")
@@ -51,6 +85,12 @@ namespace DatabaseImplement.Migrations
                     b.Property<int>("Amount")
                         .HasColumnType("integer");
 
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
                     b.Property<bool>("IsBeingSold")
                         .HasColumnType("boolean");
 
@@ -64,8 +104,13 @@ namespace DatabaseImplement.Migrations
                     b.Property<double>("Rate")
                         .HasColumnType("double precision");
 
+                    b.Property<Guid?>("SaleId")
+                        .HasColumnType("uuid");
+
                     b.HasKey("Id");
 
+                    b.HasIndex("SaleId");
+
                     b.ToTable("Products");
                 });
 
@@ -78,9 +123,18 @@ namespace DatabaseImplement.Migrations
                     b.Property<double>("Cost")
                         .HasColumnType("double precision");
 
-                    b.Property<DateTime>("DatePurchase")
+                    b.Property<DateTime?>("DateClosed")
                         .HasColumnType("timestamp without time zone");
 
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<bool>("IsPaid")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("ProductCount")
+                        .HasColumnType("integer");
+
                     b.Property<int>("Status")
                         .HasColumnType("integer");
 
@@ -94,30 +148,6 @@ namespace DatabaseImplement.Migrations
                     b.ToTable("Purchases");
                 });
 
-            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uuid");
-
-                    b.Property<int>("Count")
-                        .HasColumnType("integer");
-
-                    b.Property<Guid>("ProductId")
-                        .HasColumnType("uuid");
-
-                    b.Property<Guid>("PurchaseId")
-                        .HasColumnType("uuid");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("ProductId");
-
-                    b.HasIndex("PurchaseId");
-
-                    b.ToTable("PurchaseProducts");
-                });
-
             modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
                 {
                     b.Property<Guid>("Id")
@@ -133,6 +163,41 @@ namespace DatabaseImplement.Migrations
                     b.ToTable("Roles");
                 });
 
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("End")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FullDescription")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Start")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Value")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sales");
+                });
+
             modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
                 {
                     b.Property<Guid>("Id")
@@ -304,6 +369,9 @@ namespace DatabaseImplement.Migrations
                     b.Property<DateTime>("Birthday")
                         .HasColumnType("timestamp without time zone");
 
+                    b.Property<int>("Bonus")
+                        .HasColumnType("integer");
+
                     b.Property<string>("Email")
                         .IsRequired()
                         .HasColumnType("text");
@@ -333,6 +401,23 @@ namespace DatabaseImplement.Migrations
                     b.ToTable("Users");
                 });
 
+            modelBuilder.Entity("DatabaseImplement.Models.CartItem", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany()
+                        .HasForeignKey("PurchaseId");
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
             modelBuilder.Entity("DatabaseImplement.Models.MediaFile", b =>
                 {
                     b.HasOne("DatabaseImplement.Models.Product", "Product")
@@ -344,6 +429,15 @@ namespace DatabaseImplement.Migrations
                     b.Navigation("Product");
                 });
 
+            modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Sale", "Sale")
+                        .WithMany("Products")
+                        .HasForeignKey("SaleId");
+
+                    b.Navigation("Sale");
+                });
+
             modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
                 {
                     b.HasOne("DatabaseImplement.Models.User", "User")
@@ -355,25 +449,6 @@ namespace DatabaseImplement.Migrations
                     b.Navigation("User");
                 });
 
-            modelBuilder.Entity("DatabaseImplement.Models.PurchaseProducts", b =>
-                {
-                    b.HasOne("DatabaseImplement.Models.Product", "Product")
-                        .WithMany("PurchaseProducts")
-                        .HasForeignKey("ProductId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("DatabaseImplement.Models.Purchase", "Purchase")
-                        .WithMany("Products")
-                        .HasForeignKey("PurchaseId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Product");
-
-                    b.Navigation("Purchase");
-                });
-
             modelBuilder.Entity("DatabaseImplement.Models.Sell", b =>
                 {
                     b.HasOne("DatabaseImplement.Models.User", "User")
@@ -462,12 +537,10 @@ namespace DatabaseImplement.Migrations
 
             modelBuilder.Entity("DatabaseImplement.Models.Product", b =>
                 {
-                    b.Navigation("PurchaseProducts");
-
                     b.Navigation("SellProducts");
                 });
 
-            modelBuilder.Entity("DatabaseImplement.Models.Purchase", b =>
+            modelBuilder.Entity("DatabaseImplement.Models.Sale", b =>
                 {
                     b.Navigation("Products");
                 });

DatabaseImplement/Models/CartItem.cs

@@ -0,0 +1,83 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+using System.Xml.Linq;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DatabaseImplement.Models
+{
+    public class CartItem : ICartItem
+    {
+        public Guid Id { get; set; }
+        [Required]
+        public Guid UserId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public Guid? PurchaseId { get; set; }
+        [Required]
+        public DateTime DateCreated { get; set; }
+        [Required]
+        public Guid ProductId { get; set; }
+        [Required]
+        public string ProductName { get; set; } = string.Empty;
+        public virtual Product? Product { get; set; }
+        public virtual Purchase? Purchase { get; set; }
+        public static CartItem Create(Database context, CartItemBindingModel model)
+        {
+            return new CartItem()
+            {
+                Id = model.Id,
+                UserId = model.UserId,
+                Count = model.Count,
+                DateCreated = model.DateCreated,
+                ProductId = model.ProductId,
+                ProductName = model.ProductName,
+                PurchaseId = model.PurchaseId,
+            };
+        }
+        public void Update(CartItemBindingModel model)
+        {
+            if (model is null)
+            {
+                throw new ArgumentNullException("Update CartItem: binding model is null");
+            }
+            Count = model.Count;
+            PurchaseId = model.PurchaseId;
+        }
+        public CartItemViewModel GetViewModel
+        {
+            get
+            {
+                var context = new Database();
+                return new()
+                {
+                    Id = Id,
+                    UserId = UserId,
+                    DateCreated = DateCreated,
+                    ProductId = ProductId,
+                    ProductName = ProductName,
+                    Count = Count,
+                    PurchaseId = PurchaseId,
+                };
+            }
+        }
+        public CartItemBindingModel GetBindingModel() => new()
+        {
+            Id = Id,
+            UserId = UserId,
+            DateCreated = DateCreated,
+            ProductId = ProductId,
+            ProductName = ProductName,
+            Count = Count,
+            PurchaseId = PurchaseId,
+        };
+    }
+}

DatabaseImplement/Models/Product.cs

@@ -16,6 +16,7 @@ namespace DatabaseImplement.Models
 	{
 		[Required]
 		public Guid Id { get; set; }
+		public Guid? SaleId { get; set; }
 		[Required]
 		public string Name { get; set; } = string.Empty;
 		[Required]
@@ -24,11 +25,12 @@ namespace DatabaseImplement.Models
 		public double Rate { get; set; }
 		[Required]
 		public bool IsBeingSold { get; set; }
+        public string? Category { get; set; }
+		public string? Description { get; set; }
+        public virtual Sale? Sale { get; set; }
         [Required]
 		public int Amount { get; set; }
         [ForeignKey("ProductId")]
-		public virtual List<PurchaseProducts> PurchaseProducts { get; set; } = new();
-        [ForeignKey("ProductId")]
         public virtual List<SellProducts> SellProducts { get; set; } = new();
         public ProductBindingModel GetBindingModel() => new()
 		{
@@ -37,7 +39,10 @@ namespace DatabaseImplement.Models
 			Price = Price,
 			Rate = Rate,
 			IsBeingSold = IsBeingSold,
-			Amount = Amount
+			Amount = Amount,
+			Category = Category,
+			Description = Description,
+			SaleId = SaleId
         };
 
 		public static Product ToProductFromView(ProductViewModel model, Product product) => new()
@@ -47,7 +52,9 @@ namespace DatabaseImplement.Models
 			Price = model.Price,
 			Rate = model.Rate,
 			IsBeingSold = model.IsBeingSold,
-			Amount = model.Amount
+			Amount = model.Amount,
+			Category = model.Category,
+            SaleId = model.SaleId
         };
 
 		public static Product ToProductFromBinding(ProductBindingModel model, Product product) => new()
@@ -57,7 +64,10 @@ namespace DatabaseImplement.Models
 			Price = model.Price,
 			Rate = model.Rate,
 			IsBeingSold = model.IsBeingSold,
-			Amount = model.Amount
+			Amount = model.Amount,
+			Description = model.Description,
+			Category = model.Category,
+            SaleId = model.SaleId
         };
 
         public static Product Create(Database context, ProductBindingModel model)
@@ -69,7 +79,10 @@ namespace DatabaseImplement.Models
 				Price = model.Price,
 				Rate = model.Rate,
 				IsBeingSold = model.IsBeingSold,
-				Amount = model.Amount
+				Amount = model.Amount,
+				Description = model.Description,
+				Category = model.Category,
+				SaleId = model.SaleId
 			};
 		}
 
@@ -86,12 +99,17 @@ namespace DatabaseImplement.Models
 			Rate = model.Rate;
 			IsBeingSold = model.IsBeingSold;
 			Amount = model.Amount;
+			Description = model.Description;
+			Category = model.Category;
+			SaleId = model.SaleId;
         }
         public ProductViewModel GetViewModel
         {
             get
             {
-                var context = new Database();
+				double saleValue = 0;
+				if (Sale is not null)
+                    saleValue = Sale.Value;
 				return new()
 				{
 					Id = Id,
@@ -99,7 +117,11 @@ namespace DatabaseImplement.Models
 					Price = Price,
 					IsBeingSold = IsBeingSold,
 					Rate = Rate,
-					Amount = Amount
+					Amount = Amount,
+					Description = Description,
+					Category = Category,
+					SaleId = SaleId,
+					ActualPrice = Price / 100 * (100 - saleValue)
 				};
             }
         }

DatabaseImplement/Models/Purchase.cs

@@ -20,78 +20,76 @@ namespace DatabaseImplement.Models
 	{
 		public Guid Id { get; set; }
         [Required]
-		public DateTime DatePurchase { get; set; }
+		public DateTime DateCreated { get; set; }
+        public DateTime? DateClosed { get; set; }
         [Required]
 		public Guid UserId { get; set; }
         public double Cost { get; set; }
+        public int ProductCount { get; set; }
         [Required]
 		public PurchaseStatus Status { get; private set; } = PurchaseStatus.Unknown;
-        private Dictionary<Guid, (IProduct, int)>? _purchaseProducts = null;
+        [Required]
+        public bool IsPaid { get; set; }
         public virtual User? User { get; set; }
-		[DataMember]
         [NotMapped]
-        public Dictionary<Guid, (IProduct, int)> PurchaseProducts
-        {
-            get
-            {
-                if (_purchaseProducts == null)
-                {
-                    _purchaseProducts = Products.ToDictionary(e => e.ProductId, e => (e.Product as IProduct, e.Count));
-                }
-                return _purchaseProducts;
-            }
-            set { }
-        }
-		[ForeignKey("PurchaseId")]
-		public virtual List<PurchaseProducts> Products { get; set; } = new();
+        public List<Product> Products { get; set; }
         public static Purchase Create(Database context, PurchaseBindingModel model)
         {
             return new Purchase()
             {
-                DatePurchase = DateTime.Now,
-                UserId = Guid.NewGuid(),
-                Status = PurchaseStatus.Unknown,
-
+                DateCreated = model.DateCreated,
+                UserId = model.UserId,
+                Status = model.Status,
+                Cost = model.Cost,
+                ProductCount = model.ProductCount,
+                IsPaid = model.IsPaid,
             };
         }
         public PurchaseBindingModel GetBindingModel => new()
 		{
 			Id = Id,
-			DatePurchase = DatePurchase,
+			DateCreated = DateCreated,
 			UserId = UserId,
-			PurchaseProducts = PurchaseProducts,
 			Status = Status,
-            Cost = Cost
+            Cost = Cost,
+            ProductCount = ProductCount,
+            IsPaid = IsPaid,
         };
 
         public PurchaseViewModel GetViewModel => new()
         {
             Id = Id,
-            DatePurchase = DatePurchase,
+            DateCreated = DateCreated,
+            DateClosed = DateClosed,
             UserId = UserId,
-            PurchaseProducts = PurchaseProducts,
             Status = Status,
-            Cost = Cost
+            ProductCount = ProductCount,
+            Cost = Cost,
+            IsPaid = IsPaid,
         };
 
         public static Purchase ToPurchaseFromView(PurchaseViewModel model, Purchase purchase) => new()
 		{
 			Id = model.Id,
-			DatePurchase = model.DatePurchase,
+			DateCreated = model.DateCreated,
+            DateClosed = model.DateClosed,
             UserId = model.UserId,
-            PurchaseProducts = model.PurchaseProducts,
             Status = model.Status,
-            Cost = model.Cost
+            ProductCount = model.ProductCount,
+            Cost = model.Cost,
+            IsPaid = model.IsPaid,
         };
 
 		public static Purchase ToPurchaseFromBinding(PurchaseBindingModel model, Purchase purchase) => new()
 		{
 			Id = model.Id,
-			DatePurchase = model.DatePurchase,
+            DateCreated = model.DateCreated,
+            DateClosed = model.DateClosed,
             UserId = model.UserId,
-            PurchaseProducts = model.PurchaseProducts,
             Status = model.Status,
-            Cost = model.Cost
+            ProductCount = model.ProductCount,
+            Cost = model.Cost,
+            IsPaid = model.IsPaid,
         };
 
 		public void Update(PurchaseBindingModel model)
@@ -101,43 +99,11 @@ namespace DatabaseImplement.Models
 				throw new ArgumentNullException("Update purchase: binding model is null");
 			}
 
-			DatePurchase = model.DatePurchase;
-            UserId = model.UserId;
-            PurchaseProducts = model.PurchaseProducts;
+            DateClosed = model.DateClosed;
             Status = model.Status;
+            ProductCount = model.ProductCount;
             Cost = model.Cost;
-
+            IsPaid = model.IsPaid;
         }
-        public void UpdateProducts(Database context, PurchaseBindingModel model)
-        {
-            var purchaseProducts = context.PurchaseProducts.Where(rec =>
-            rec.Id == model.Id).ToList();
-            if (purchaseProducts != null && purchaseProducts.Count > 0)
-            { // удалили те, которых нет в модели
-                context.PurchaseProducts.RemoveRange(purchaseProducts.Where(rec
-                => !model.PurchaseProducts.ContainsKey(rec.ProductId)));
-                context.SaveChanges();
-                // обновили количество у существующих записей
-                foreach (var updateProduct in purchaseProducts)
-                {
-                    updateProduct.Count = model.PurchaseProducts[updateProduct.ProductId].Item2;
-                    model.PurchaseProducts.Remove(updateProduct.ProductId);
-                }
-                context.SaveChanges();
-            }
-            var purchase = context.Purchases.First(x => x.Id == Id);
-            foreach (var pc in model.PurchaseProducts)
-            {
-                context.PurchaseProducts.Add(new PurchaseProducts
-                {
-                    Purchase = purchase,
-                    Product = context.Products.First(x => x.Id == pc.Key),
-                    Count = pc.Value.Item2
-                });
-                context.SaveChanges();
-            }
-            _purchaseProducts = null;
-        }
-
     }
 }

DatabaseImplement/Models/PurchaseProducts.cs

@@ -1,24 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace DatabaseImplement.Models
-{
-    public class PurchaseProducts
-    {
-        public Guid Id { get; set; }
-        [Required]
-        public Guid PurchaseId { get; set; }
-        [Required]
-        public Guid ProductId { get; set; }
-        [Required]
-        public int Count { get; set; }
-        public virtual Product Product { get; set; } = new();
-        public virtual Purchase Purchase { get; set; } = new();
-
-    }
-}

DatabaseImplement/Models/Sale.cs

@@ -0,0 +1,123 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+using System.Xml.Linq;
+
+namespace DatabaseImplement.Models
+{
+    public class Sale : ISale
+    {
+        [Required]
+        public Guid Id { get; set; }
+        [Required]
+        public string Name { get; set; }
+        public string? Category { get; set; }
+        [Required]
+        public string Description { get; set; } = string.Empty;
+        [Required] 
+        public string FullDescription { get; set; } = string.Empty;
+        [Required]
+        public int Value { get; set; }
+        [Required]
+        public DateTime Start { get; set; }
+        [Required]
+        public DateTime End { get; set; }
+
+        [ForeignKey("SaleId")]
+        public ICollection<Product> Products { get; set; } = new List<Product>();
+        public SaleBindingModel GetBindingModel() => new()
+        {
+            Id = Id,
+            Category = Category,
+            Description = Description,
+            FullDescription = FullDescription,
+            Name = Name,
+            Value = Value,
+            Start = Start,
+            End = End
+        };
+
+        public static Sale ToSaleFromView(SaleBindingModel model, Sale sale) => new()
+        {
+            Id = model.Id,
+            Category = model.Category,
+            Description = model.Description,
+            FullDescription = model.FullDescription,
+            Name = model.Name,
+            Value = model.Value,
+            Start = model.Start,
+            End = model.End
+        };
+
+        public static Sale ToProductFromBinding(SaleBindingModel model, Sale sale) => new()
+        {
+            Id = model.Id,
+            Category = model.Category,
+            Description = model.Description,
+            FullDescription = model.FullDescription,
+            Name = model.Name,
+            Value = model.Value,
+            Start = model.Start,
+            End = model.End
+        };
+
+        public static Sale Create(Database context, SaleBindingModel model)
+        {
+            return new Sale()
+            {
+                Id = model.Id,
+                Category = model.Category,
+                Description = model.Description,
+                FullDescription = model.FullDescription,
+                Name = model.Name,
+                Value = model.Value,
+                Start = model.Start,
+                End = model.End
+            };
+        }
+
+
+        public void Update(SaleBindingModel model)
+        {
+            if (model is null)
+            {
+                throw new ArgumentNullException("Update product: binding model is null");
+            }
+
+            Category = model.Category;
+            Description = model.Description;
+            FullDescription = model.FullDescription;
+            Name = model.Name;
+            Value = model.Value;
+            Start = model.Start;
+            End = model.End;
+        }
+        public SaleViewModel GetViewModel
+        {
+            get
+            {
+                var context = new Database();
+                return new()
+                {
+                    Id = Id,
+                    Category = Category,
+                    Description = Description,
+                    FullDescription = FullDescription,
+                    Name = Name,
+                    Value = Value,
+                    Start = Start,
+                    End = End
+                };
+            }
+        }
+    }
+}

DatabaseImplement/Models/User.cs

@@ -28,6 +28,9 @@ namespace DatabaseImplement.Models
         [Required]
         public string Email { get; set; } = string.Empty;
 
+        [Required]
+        public int Bonus { get; set; }
+
         [Required]
         public DateTime Birthday { get; set; }
 
@@ -44,7 +47,8 @@ namespace DatabaseImplement.Models
             PasswordHash = PasswordHash,
             Birthday = Birthday,
             OnlyImportantMails = OnlyImportantMails,
-            Role = Role?.GetBindingModel() ?? new()
+            Role = Role?.GetBindingModel() ?? new(),
+            Bonus = Bonus,
         };
 
         public static User ToUserFromView(UserViewModel model, Role role) => new()
@@ -54,7 +58,8 @@ namespace DatabaseImplement.Models
             SecondName = model.SecondName,
             Email = model.Email,
             Birthday = model.Birthday,
-            Role = role
+            Role = role,
+            Bonus = model.Bonus
         };
 
         public static User ToUserFromBinding(UserBindingModel model, Role role) => new()
@@ -66,7 +71,8 @@ namespace DatabaseImplement.Models
             PasswordHash = model.PasswordHash,
             Birthday = model.Birthday,
             OnlyImportantMails = model.OnlyImportantMails,
-            Role = role
+            Role = role,
+            Bonus = model.Bonus
         };
 
         public void Update(UserBindingModel model, Role role)
@@ -83,6 +89,7 @@ namespace DatabaseImplement.Models
             Birthday = model.Birthday;
             OnlyImportantMails = model.OnlyImportantMails;
             Role = role ?? Role;
+            Bonus = model.Bonus;
         }     
     }
 }

RestAPI/Controllers/CartItemController.cs

@@ -0,0 +1,147 @@
+using BusinessLogic.BusinessLogic;
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace RestAPI.Controllers
+{
+    [Route("[controller]/[action]")]
+    [ApiController]
+    public class CartItemController : Controller
+    {
+        private readonly ICartItemLogic _cartItemLogic;
+        private readonly IProductLogic _productLogic;
+        private readonly ILogger _logger;
+        public CartItemController(ILogger<CartItemController> logger, ICartItemLogic cartItemLogic, IProductLogic productLogic)
+        {
+            _logger = logger;
+            _cartItemLogic = cartItemLogic;
+            _productLogic = productLogic;
+        }
+        [HttpGet]
+        public List<CartItemViewModel> GetFullList(Guid userId)
+        {
+            try
+            {
+                return _cartItemLogic.ReadElements(new CartItemSearchModel(){ UserId = userId });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения списка");
+                throw;
+            }
+        }
+        [HttpGet]
+        public CartItemViewModel GetElement(Guid id)
+        {
+            try
+            {
+                return _cartItemLogic.ReadElement(new CartItemSearchModel() { Id = id });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения элемента корзины");
+                throw;
+            }
+        }
+        [HttpGet]
+        public ProductViewModel GetProduct(Guid cartItemId)
+        {
+            try
+            {
+                var item = _cartItemLogic.ReadElement(new CartItemSearchModel() { Id = cartItemId });
+                return _productLogic.ReadElement(new ProductSearchModel() { Id = item.ProductId });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения продукта");
+                throw;
+            }
+        }
+        [HttpPost]
+        public IResult Create([FromBody] CartItemBindingModel model)
+        {
+            try
+            {
+                var res = _cartItemLogic.Create(model);
+                return Results.Ok(res);
+            }
+            catch (AccountException ex)
+            {
+                _logger.LogWarning(ex, "Wrong data");
+                return Results.BadRequest(ex.Message);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error create item");
+                return Results.Problem(ex.Message);
+            }
+        }
+        [HttpPatch]
+        public IResult Update([FromBody] CartItemBindingModel model)
+        {
+            try
+            {
+                var res = _cartItemLogic.Update(model);
+                return Results.Ok(res);
+            }
+            catch (AccountException ex)
+            {
+                _logger.LogWarning(ex, "Wrong update data");
+                return Results.BadRequest(ex.Message);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error update cart item");
+                return Results.Problem(ex.Message);
+            }
+        }
+        [HttpDelete]
+        public IResult Delete(Guid id)
+        {
+            try
+            {
+                var res = _cartItemLogic.Delete(new() { Id = id });
+                return Results.Ok(res);
+            }
+            catch (ElementNotFoundException ex)
+            {
+                _logger.LogInformation(ex, "Item not found");
+                return Results.NoContent();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error delete item");
+                return Results.Problem(ex.Message);
+            }
+        }
+        [HttpDelete]
+        public IResult DeleteAll()
+        {
+            try
+            {
+                var list = _cartItemLogic.ReadElements(null);
+                var res = new List<IResult>();
+
+                foreach (var element in list)
+                {
+                    _cartItemLogic.Delete(new() { Id = element.Id });
+                }
+                return Results.Ok(res);
+            }
+            catch (ElementNotFoundException ex)
+            {
+                _logger.LogInformation(ex, "Item not found");
+                return Results.NoContent();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error delete item");
+                return Results.Problem(ex.Message);
+            }
+        }
+    }
+}

RestAPI/Controllers/MediaFileController.cs

@@ -30,7 +30,7 @@ namespace RestAPI.Controllers
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Ошибка получения списка продуктов");
+                _logger.LogError(ex, "Ошибка получения списка");
                 throw;
             }
         }

RestAPI/Controllers/ProductController.cs

@@ -22,17 +22,18 @@ namespace RestAPI.Controllers
             _product = productLogic;
         }
         [HttpGet]
-        public List<ProductViewModel>? GetList(string? search, double? pricefrom, double? priceto)
+        public List<ProductViewModel>? GetList(string? search, string? category, double? pricefrom, double? priceto)
         {
             try
             {
-                if (search == null && pricefrom == null && priceto == null)
+                if (string.IsNullOrEmpty(search) && string.IsNullOrEmpty(category) && pricefrom == null && priceto == null)
                     return _product.ReadList(null);
 
                 else
                     return _product.ReadList(new ProductSearchModel()
                     {
                         Name = search,
+                        Category = category,
                         PriceFrom = pricefrom,
                         PriceTo = priceto
                     });

RestAPI/Controllers/PurchaseController.cs

@@ -5,6 +5,7 @@ using Contracts.Exceptions;
 using Contracts.SearchModels;
 using Contracts.ViewModels;
 using DatabaseImplement.Models;
+using DataModels.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
@@ -17,23 +18,27 @@ namespace RestAPI.Controllers
     {
         private readonly ILogger _logger;
         private readonly IPurchaseLogic _purchaseLogic;
+        private readonly IBillLogic _billLogic;
 
-        public PurchaseController(ILogger<PurchaseController> logger, IPurchaseLogic purchaseLogic)
+        public PurchaseController(ILogger<PurchaseController> logger, IPurchaseLogic purchaseLogic, IBillLogic billLogic)
         {
             _logger = logger;
             _purchaseLogic = purchaseLogic;
+            _billLogic = billLogic;
         }
         [HttpGet]
-        public List<PurchaseViewModel>? GetList(double? costfrom, double? costto, DateTime? datefrom, DateTime? dateto)
+        public List<PurchaseViewModel>? GetList(Guid id, Guid userId, double? costfrom, double? costto, DateTime? datefrom, DateTime? dateto)
         {
             try
             {
-                if (costfrom == null && costto == null && datefrom == null && dateto == null)
+                if (id == Guid.Empty && userId == Guid.Empty && costfrom == null && costto == null && datefrom == null && dateto == null)
                     return _purchaseLogic.ReadElements(null);
 
                 else
                     return _purchaseLogic.ReadElements(new PurchaseSearchModel()
                     {
+                        Id = id,
+                        UserId = userId,
                         CostFrom = costfrom,
                         CostTo = costto,
                         DateFrom = datefrom,
@@ -42,7 +47,7 @@ namespace RestAPI.Controllers
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Ошибка получения списка продуктов");
+                _logger.LogError(ex, "Ошибка получения списка покупок");
                 throw;
             }
         }
@@ -55,34 +60,54 @@ namespace RestAPI.Controllers
                 return _purchaseLogic.ReadElement(new PurchaseSearchModel() { Id = id });
             }
             catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения покупки");
+                throw;
+            }
+        }
+
+        [HttpGet]
+        public List<ProductViewModel> GetProducts(Guid purchaseid)
+        {
+            try
+            {
+                return _purchaseLogic.GetProducts(new PurchaseSearchModel() { Id = purchaseid });
+            }
+            catch (Exception ex)
             {
                 _logger.LogError(ex, "Ошибка получения продукта");
                 throw;
             }
         }
         [HttpPost]
-        public PurchaseViewModel Create(Guid UserId)
+        public IResult Create([FromBody] PurchaseBindingModel model)
         {
             try
             {
-                var purchase = _purchaseLogic.Create(new PurchaseBindingModel()
-                {
-                    Cost = 0,
-                    DatePurchase = DateTime.Now,
-                    UserId = UserId
-                });
+                var purchase = _purchaseLogic.Create(model);
 
-                return new PurchaseViewModel()
-                {
-                    DatePurchase = purchase.DatePurchase,
-                    UserId = purchase.UserId,
-                    Cost = purchase.Cost,
-                };
+                return Results.Ok(purchase);
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Error update purchase");
-                return null;
+                _logger.LogError(ex, "Error create purchase");
+                return Results.Problem(ex.Message);
+            }
+        }
+
+        [HttpPost]
+        public IResult CreateBill([FromBody] BillViewModel model)
+        {
+            try
+            {
+                _billLogic.CreateBill(model);
+
+                return Results.Ok();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error create bill");
+                throw;
             }
         }
 
@@ -96,8 +121,7 @@ namespace RestAPI.Controllers
                 { 
                     Id = res.Id,
                     Cost = res.Cost,
-                    DatePurchase = res.DatePurchase,
-                    PurchaseProducts = res.PurchaseProducts,
+                    DateClosed = res.DateClosed,
                     UserId = res.UserId,
                 };
             }
@@ -108,45 +132,5 @@ namespace RestAPI.Controllers
                 return null;
             }
         }
-        [HttpPatch]
-        public PurchaseViewModel AddProducts(Guid purchaseId, Guid productId, int count)
-        {
-            try
-            {
-                var purchase = _purchaseLogic.AddProduct(
-                new PurchaseSearchModel()
-                {
-                    Id = purchaseId
-                },
-                new ProductSearchModel()
-                {
-                    Id = productId
-                },
-                count);
-
-                return new PurchaseViewModel()
-                {
-                    Id = purchase.Id,
-                    Cost = purchase.Cost,
-                    DatePurchase = purchase.DatePurchase,
-                    PurchaseProducts = purchase.PurchaseProducts,
-                    UserId = purchase.UserId,
-                };
-            }
-
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "Error update purchase");
-                return null;
-            }
-        }
-        [HttpGet]
-        public Dictionary<Guid, int> GetProducts(Guid productId)
-        {
-            return _purchaseLogic.GetProducts(new PurchaseSearchModel
-            {
-                Id = productId,
-            });
-        }
     }
 }

RestAPI/Controllers/SaleController.cs

@@ -0,0 +1,100 @@
+using BusinessLogic.BusinessLogic;
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace RestAPI.Controllers
+{
+    [Route("[controller]/[action]")]
+    [ApiController]
+    public class SaleController : Controller
+    {
+        private readonly ILogger _logger;
+        private readonly ISaleLogic _saleLogic;
+        private readonly IProductLogic _productLogic;
+
+        public SaleController(ILogger<SaleController> logger, ISaleLogic saleLogic, IProductLogic productLogic)
+        {
+            _logger = logger;
+            _saleLogic = saleLogic;
+            _productLogic = productLogic;
+        }
+
+        [HttpGet]
+        public List<SaleViewModel>? GetList(string? category)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(category))
+                    return _saleLogic.ReadElements(null);
+
+                else
+                    return _saleLogic.ReadElements(new SaleSearchModel()
+                    {
+                        Category = category
+                    });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения списка акций");
+                throw;
+            }
+        }
+
+        [HttpGet]
+        public SaleViewModel GetSale(Guid id)
+        {
+            try
+            {
+                return _saleLogic.ReadElement(new SaleSearchModel() { Id = id });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения акции");
+                throw;
+            }
+        }
+
+        [HttpGet]
+        public SaleViewModel GetSaleByProduct(Guid id)
+        {
+            try
+            {
+                var product = _productLogic.ReadElement(new ProductSearchModel() { Id = id });
+                if (product.SaleId == null)
+                {
+                    return null;
+                }
+                return _saleLogic.ReadElement(new SaleSearchModel() { Id = product.SaleId });
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка получения акции");
+                throw;
+            }
+        }
+
+        [HttpPost]
+        public IResult CreateSale([FromBody] SaleBindingModel model)
+        {
+            try
+            {
+                var res = _saleLogic.Create(model);
+                return Results.Ok(res);
+            }
+            catch (AccountException ex)
+            {
+                _logger.LogWarning(ex, "Wrong data");
+                return Results.BadRequest(ex.Message);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error create sale");
+                return Results.Problem(ex.Message);
+            }
+        }
+    }
+}

RestAPI/Controllers/UserController.cs

@@ -4,6 +4,7 @@ using Contracts.BindingModels;
 using Contracts.BusinessLogicContracts;
 using Contracts.Exceptions;
 using Contracts.SearchModels;
+using Contracts.ViewModels;
 using Microsoft.AspNetCore.Mvc;
 
 namespace RestAPI.Controllers
@@ -140,6 +141,21 @@ namespace RestAPI.Controllers
                 return Results.Problem(ex.Message);
             }
         }
+
+        [HttpPatch]
+        public void UpdateBonus([FromBody] BonusUpdateBindingModel model)
+        {
+            try
+            {
+                _userLogic.UpdateBonus(model);
+            }
+
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error update purchase");
+                return;
+            }
+        }
     }   
 
     public record class UserData(string email, string password);

RestAPI/Program.cs

@@ -19,20 +19,25 @@ builder.Logging.AddLog4Net("log4net.config");
 #region DI
 
 builder.Services.AddTransient<IRoleLogic, RoleLogic>();
+builder.Services.AddTransient<ISaleLogic, SaleLogic>();
 builder.Services.AddTransient<IUserLogic, UserLogic>();
 builder.Services.AddTransient<IProductLogic, ProductLogic>();
 builder.Services.AddTransient<ISellLogic, SellLogic>();
 builder.Services.AddTransient<IPurchaseLogic, PurchaseLogic>();
 builder.Services.AddTransient<IMediaFileLogic, MediaFileLogic>();
+builder.Services.AddTransient<ICartItemLogic, CartItemLogic>();
+builder.Services.AddTransient<IBillLogic, BillLogic>();
 
 builder.Services.AddSingleton<ITwoFactorAuthService, TwoFactorAuthService>();
 
 builder.Services.AddTransient<IRoleStorage, RoleStorage>();
+builder.Services.AddTransient<ISaleStorage, SaleStorage>();
 builder.Services.AddTransient<IUserStorage, UserStorage>();
 builder.Services.AddTransient<IProductStorage, ProductStorage>();
 builder.Services.AddTransient<ISellStorage, SellStorage>();
 builder.Services.AddTransient<IPurchaseStorage, PurchaseStorage>();
 builder.Services.AddTransient<IMediaFileStorage, MediaFileStorage>();
+builder.Services.AddTransient<ICartItemStorage, CartItemStorage>();
 
 builder.Services.AddSingleton<JwtProvider>();
 builder.Services.AddSingleton<MailSender>();
@@ -69,6 +74,8 @@ mailSender?.SetupMailOptions(new()
 
 #endregion Setup config
 
+
+System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {

WebApp/Pages/Cart.cshtml

@@ -6,10 +6,10 @@
 <div class="container my-5">
     <h1>Корзина</h1>
 
-    @* @if (Model.Amount == 0)
+    @if (Model.cartItemsView == null! || Model.cartItemsView.Count == 0)
     {
         <p>Ваша корзина пуста.</p>
-    } *@
+    }
     else
     {
         <table class="table">
@@ -23,34 +23,102 @@
                 </tr>
             </thead>
             <tbody>
-                @* @foreach (var item in Model.CartItems)
+                
+                @foreach (var item in Model.cartItemsView)
                 {
+                    
                     <tr>
                         <td>
                             <div class="d-flex align-items-center">
-                                <img src="data:image/png;base64,@Convert.ToBase64String(Model.GetMediaByProduct(item.Product))" class="img-fluid me-3" style="max-height: 50px;" alt="@item.Product.Name">
-                                <a asp-page="ProductDetails" asp-route-id="@item.Product.Id">@item.Product.Name</a>
+                                <a asp-page="ProductPage" asp-route-id="@item.ProductId">@Model.GetProduct(item.Id).Name</a>
                             </div>
                         </td>
-                        <td>@item.Product.Price.ToString("C")</td>
+                        <td>@Model.GetProduct(item.Id).ActualPrice</td>
+
                         <td>
-                            <input type="number" class="form-control" value="@item.Quantity" min="1" max="100" onchange="updateCartItem('@item.Product.Id', this.value)">
+                            <span>@item.Count</span>
                         </td>
-                        <td>@((item.Product.Price * item.Quantity).ToString("C"))</td>
+
+
+                        <td>@(item.Count * @Model.GetProduct(item.Id).ActualPrice)</td>
+                        
+                        
                         <td>
-                            <button class="btn btn-danger" onclick="removeFromCart('@item.Product.Id')">Удалить</button>
+                            <form asp-page-handler="DeleteCartItem" method="post">
+                                <input type="hidden" name="Id" value="@item.Id">
+                                <button type="submit" class="btn btn-danger">Удалить</button>
+                            </form>
                         </td>
+                        
+                        
                     </tr>
-                } *@
+                }
             </tbody>
         </table>
 
         <div class="d-flex justify-content-end">
-            @* <h3>Итого: @Model.TotalPrice.ToString("C")</h3> *@
+            <h3>Сумма заказа: <span id="totalCost"></span> руб.</h3>
         </div>
 
         <div class="d-flex justify-content-end">
-            <a asp-page="Checkout" class="btn btn-primary">Оформить заказ</a>
+            <form asp-page-handler="GoToPayment">
+                <input type="hidden" id="ProductCount" name="ProductCount" value="0" />
+                <input type="hidden" id="Cost" name="Cost" value="0.00" />
+                <input type="hidden" id="UserId" name="UserId" value="@Model.GetUserId()" />
+                <button type="submit" class="btn btn-primary">Перейти к оформлению</button>
+            </form>
         </div>
     }
 </div>
+
+
+<script>
+    window.onload = function () {
+        calculateTotalCost();
+        calculateCount();
+    };
+
+    function calculateTotalCost() {
+        var totalCost = 0;
+        var totalCells = document.querySelectorAll('tbody td:nth-child(4)');
+
+        totalCells.forEach(function (cell) {
+            var costText = cell.innerText.trim(); // Убираем пробелы вокруг текста
+            var cost = parseFloat(costText);
+
+            // Проверяем, является ли cost числом
+            if (!isNaN(cost)) {
+                totalCost += cost;
+            } else {
+                console.warn(`Не удалось преобразовать значение "${costText}" в число.`);
+            }
+        });
+
+        // Обновляем элемент totalCost
+        var totalCostElement = document.getElementById('totalCost');
+        var Cost = document.getElementById('Cost');
+        totalCostElement.textContent = Number(totalCost.toFixed(2)); // Преобразуем обратно в число перед отображением
+        Cost.value = Number(totalCost.toFixed(2));
+    }
+
+
+    function calculateCount() {
+        var totalCount = 0;
+        var totalCells = document.querySelectorAll('tbody td:nth-child(3)');
+
+        totalCells.forEach(function (cell) {
+            var countText = cell.innerText.trim(); // Убираем пробелы вокруг текста
+            var count = parseInt(countText);
+
+            // Проверяем, является ли count числом
+            if (!isNaN(count)) {
+                totalCount += count;
+            } else {
+                console.warn(`Не удалось преобразовать значение "${countText}" в число.`);
+            }
+        });
+        // Обновляем элемент totalCount
+        var ProductCount = document.getElementById('ProductCount');
+        ProductCount.value = Number(totalCount); // Преобразуем обратно в число перед отображением
+    }
+</script>

WebApp/Pages/Cart.cshtml.cs

@@ -1,7 +1,10 @@
+using Contracts.BindingModels;
 using Contracts.ViewModels;
+using DataModels.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.AspNetCore.Routing.Constraints;
 using System.Diagnostics.Eventing.Reader;
 using WebApp.Helpers;
 
@@ -10,26 +13,49 @@ namespace WebApp.Pages
     [Authorize(Roles = Roles.User)]
     public class CartModel : PageModel
     {
-        public PurchaseViewModel purchaseModel = null;
-        public Dictionary<Guid, int> Products { get; set; }
-        public void OnGet(Guid id, int count)
+        [BindProperty]
+        public List<CartItemBindingModel> cartItems { get; set; }
+        public List<CartItemViewModel> cartItemsView { get; set; }
+        public PaymentViewModel paymentViewModel { get; set; }
+        public void OnGet()
         {
-            if (purchaseModel == null)
+            var id = this.GetUserId();
+            if (id is null)
             {
-                purchaseModel = APIClient.GetRequest<PurchaseViewModel>($"Purchase/Create/{this.GetUserId()}");
-
-                APIClient.GetRequest<PurchaseViewModel>($"Purchase/AddProducts?purchaseId={purchaseModel.Id}?productId={id}?count={count}");
+                return;
             }
-            purchaseModel = APIClient.GetRequest<PurchaseViewModel>($"Purchase/Get/");
 
-            Products = APIClient.GetRequest<Dictionary<Guid, int>>($"Purchase/GetProducts?id={purchaseModel.Id}");
+            cartItemsView = APIClient.GetRequest<List<CartItemViewModel>>($"cartitem/GetFullList?userId={id}");
         }
-        public IActionResult OnPostAsync()
+        public ProductViewModel GetProduct(Guid cartItemId)
         {
+            return APIClient.GetRequest<ProductViewModel>($"CartItem/GetProduct?cartItemId={cartItemId}");
+        }
+        public void OnPostDeleteCartItem(Guid Id)
+        {
+            var response = APIClient.DeleteRequest($"CartItem/Delete?id={Id}");
+            if (response is null)
+            {
+                throw new Exception("Something wrong LOL!");
+            }
+            OnGet();
 
-            
-
-            return RedirectToAction("");
+        }
+        public IActionResult OnPostGoToPayment(int ProductCount, Guid UserId, double Cost)
+        {
+            paymentViewModel = new PaymentViewModel()
+            {
+                UserId = UserId,
+                Cost = Cost,
+                ProductCount = ProductCount,
+                UserFirstName = string.Empty,
+                UserSecondName = string.Empty,
+            };
+            if (ProductCount <= 0 || UserId == Guid.Empty || Cost <= 0)
+            {
+                throw new Exception("Something wrong LOL!");
+            }
+            return RedirectToPage("Purchase", paymentViewModel);
         }
     }
 }

WebApp/Pages/Index.cshtml

@@ -12,35 +12,81 @@
             <span class="navbar-toggler-icon"></span>
         </button>
         <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                        Category
-                    </a>
-                    @* МОЖНО РЕАЛИЗОВАТЬ ПОЗЖЕ *@
-                    <ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
-                        <li><a class="dropdown-item" href="#">Pistols</a></li>
-                        <li><a class="dropdown-item" href="#">Rifles</a></li>
-                        <li><a class="dropdown-item" href="#">Hard Weapons</a></li>
-                    </ul>
-                </li>
-            </ul>
+
             <form class="d-flex" method="get">
-                <input asp-for="ProductsModel" type="search" placeholder="Поиск" name="search" value="">
+                <input asp-for="ProductsModel" type="search" placeholder="Поиск" name="search" value="" id="search">
                 <button class="btn btn-outline-success" type="submit"><i class="fas fa-search"></i></button>
             </form>
-            <div class="form-group ms-3">
+            
+            <div class="dropdown">
+                <form class="form-group" method="get">
+                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+                        Фильтр
+                    </a>
+                    <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuLink">
+                        <input type="hidden" name="search" id="search_hidden">
                         <div class="d-flex align-items-center">
-                    <input type="range" step="1" min="0" max="100" value="" class="custom-range me-2" id="priceFrom">
-                    <label asp-for="ProductsModel" s for="pricefrom">От: <span id="priceLabelFrom"></span> руб.</label>
+                            <input type="range" step="1" min="0" max="100" value="0" class="custom-range me-2" id="priceFrom">
+                            От: <input type="number" name="pricefrom" step="0.01" id="priceLabelFrom"> руб.
                         </div>
                         <div class="d-flex align-items-center">
-                    <input type="range" step="1" min="0" max="100" value="" class="custom-range me-2" id="priceTo">
-                    <label asp-for="ProductsModel" for="priceto">До: <span id="priceLabelTo"></span> руб.</label>
+                            <input type="range" step="1" min="0" max="100" value="100" class="custom-range me-2" id="priceTo">
+                            До: <input type="number" name="priceto" step="0.01" id="priceLabelTo"> руб.
+                        </div>
+                        <li><input type="radio" name="category" value="Pistol" class="dropdown-item">Pistol</li>
+                        <li><input type="radio" name="category" value="Rifle" class="dropdown-item">Rifle</li>
+                        <li><input type="radio" name="category" value="Revolver" class="dropdown-item">Revolver</li>
+                        <button class="btn btn-outline-success" type="submit">Применить</i></button>
+                    </ul>
+
+                </form>
+            </div>
+        </div>
+
+        @* АКЦИИ *@
+        <div class="container mt-4">
+            <div class="row">
+                @foreach (var sale in Model.SalesModel)
+                {
+                    <div class="col-12 col-md-6 mb-4">
+                        <div class="card h-100 border-0 shadow-sm rounded-lg overflow-hidden">
+                            <div class="row g-0">
+                                <div class="col-md-4">
+                                    <img src="~/big-sale.png" class="card-img" alt="@sale.Name">
+                                </div>
+                                <div class="col-md-8">
+                                    <div class="card-body">
+                                        <h5 class="card-title">@sale.Name</h5>
+                                        <p class="card-text small text-muted">@sale.Description</p>
+                                        <a asp-page="Details" asp-route-id="@sale.Id" class="btn btn-primary stretched-link" data-toggle="modal" data-target="#saleDetailModal">Подробнее</a>
                                     </div>
                                 </div>
                             </div>
                         </div>
+                    </div>
+                    <div class="modal fade" id="saleDetailModal" tabindex="-1" role="dialog" aria-labelledby="saleDetailModalLabel" aria-hidden="true">
+                        <div class="modal-dialog" role="document">
+                            <div class="modal-content">
+                                <div class="modal-header">
+                                    <h5 class="modal-title" id="saleDetailModalLabel">Подробная информация об акции</h5>
+                                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                                        <span aria-hidden="true">&times;</span>
+                                    </button>
+                                </div>
+                                <div class="modal-body">
+                                    @sale.FullDescription
+                                </div>
+                                <div class="modal-footer">
+                                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Закрыть</button>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                }
+            </div>
+        </div>
+        
+    </div>
 </nav>
 
 @* КАРТОЧКИ ТОВАРОВ *@
@@ -53,7 +99,21 @@
                     <img src="data:image/png;base64,@Convert.ToBase64String(Model.GetMediaByProduct(weapon))" class="card-img-top" alt="@weapon.Name">
                     <div class="card-body">
                         <h5 class="card-title">@weapon.Name</h5>
-                        <p class="card-text">Цена: @weapon.Price руб.</p>
+                        <p class="card-text">
+                            
+                            @foreach (var sale in Model.SalesModel)
+                                if (sale.Category == weapon.Category)
+                                {
+                                    <span>Цена: <del>@weapon.Price руб.</del> </span>
+                                    <span style="color:red;">@(weapon.Price / 100 * (100 - sale.Value)) руб.</span>
+                                    break;
+                                }
+                                else
+                                {
+                                    <span>Цена: @weapon.Price руб.</span>
+                                }
+                        </p>
+                                                               
 
                         <div class="star-rating">
                             @for (int i = 0; i < (int)Math.Round(@weapon.Rate); i++)
@@ -67,17 +127,7 @@
                             (@weapon.Rate)
                         </div>
 
-                        @if (User.Identity.IsAuthenticated)
-                        {
-                            <a asp-page="Cart" asp-route-id="@weapon.Id" asp-route-count=1 class="btn btn-primary">To cart</a>
-                        }
-                        else
-                        {
-                            <a asp-page="Login" asp-route-count=1 class="btn btn-primary">To cart</a>
-                        }
-                        <a asp-page="ProductPage" asp-route-id="@weapon.Id" class="btn btn-secondary">View Product</a>                       
-                        
-
+                        <a asp-page="ProductPage" asp-route-id="@weapon.Id" class="btn btn-success">Подробнее</a>
 
                     </div>
                 </div>
@@ -91,12 +141,33 @@
         // СЛАЙДЕРЫ
         document.getElementById("priceFrom").addEventListener("input", function () {
             var price = this.value;
-            document.getElementById("priceLabelFrom").textContent = price + " р.";
+            document.getElementById("priceLabelFrom").value = price + " р.";
         });
 
         document.getElementById("priceTo").addEventListener("input", function () {
             var price = this.value;
-            document.getElementById("priceLabelTo").textContent = price + " р.";
+            document.getElementById("priceLabelTo").value = price + " р.";
+        });
+
+        document.getElementById("search").addEventListener("input", function () {
+            var text = this.value;
+            document.getElementById("search_hidden").value = text;
+        });
+
+        $('#saleDetailModal').on('show.bs.modal', function (event) {
+            var button = $(event.relatedTarget); // Кнопка, которая активировала модальное окно
+            var saleId = button.data('sale-id'); // Экземпляр saleId из атрибута data-sale-id кнопки
+
+            // Загрузка данных о продаже с сервера (пример с использованием AJAX)
+            $.ajax({
+                url: '/api/sales/' + saleId, // URL API для получения данных о продаже
+                type: 'GET',
+                success: function (data) {
+                    var modal = $(this);
+                    modal.find('.modal-title').text('Дата проведения акции: ' + data.date);
+                    modal.find('.modal-body').text('Описание акции: ' + data.description);
+                }
+            });
         });
     </script>
 }

WebApp/Pages/Index.cshtml.cs

@@ -10,22 +10,28 @@ namespace WebApp.Pages
     public class IndexModel : PageModel
     {
         public List<ProductViewModel> ProductsModel { get; set; }
+        public List<SaleViewModel> SalesModel { get; set; }
         public Dictionary<Guid, List<MediaFileViewModel>> MediaByProductsModel { get; set; }
 
-        public void OnGet(double? pricefrom, double? priceto, string? search)
+        public void OnGet(double? pricefrom, double? priceto, string? search, string? category)
         {
             string request = "Product/GetList";
             if (!string.IsNullOrEmpty(search))
-                request += $"?search={search}";
+                request += $"?search={search}&";
+
+            if (!string.IsNullOrEmpty(category))
+                request += $"?category={category}&";
 
             if (pricefrom != null)
-                request += $"?pricefrom={pricefrom}";
+                request += $"?pricefrom={pricefrom}&";
 
             if (priceto != null)
                 request += $"?priceto={priceto}";
 
             ProductsModel = APIClient.GetRequest<List<ProductViewModel>>(request);
             MediaByProductsModel = APIClient.GetRequest<Dictionary<Guid, List<MediaFileViewModel>>>($"MediaFile/GetByProducts");
+
+            SalesModel = APIClient.GetRequest<List<SaleViewModel>>($"Sale/GetList");
         }
         public byte[] GetMediaByProduct(ProductViewModel productModel)
         {

WebApp/Pages/Login.cshtml.cs

@@ -22,7 +22,9 @@ namespace WebApp.Pages
 
             TempData["jwt"] = (string)response;
 
-            return RedirectToPage("TwoFactor");
+            //return RedirectToPage("TwoFactor");
+            this.SetJWT((string)TempData["jwt"]);
+            return RedirectToPage("Index");
         }
     }
 }

WebApp/Pages/ProductPage.cshtml

@@ -15,24 +15,12 @@
 
 <div class="container my-5">
     <div class="row">
-        @* <div class="col-md-6">
+        <div class="col-md-6">
             <img src="data:image/png;base64,@Convert.ToBase64String(Model.GetMediaByProduct(Model.productModel))" class="img-fluid" alt="@Model.productModel.Name">
-        </div> *@
-        <div class="wrap">
-            <div class="window">
-                <div id="carousel">
-                    @for (int i = 0; i < Model.GetAllMediaFilesByProduct(Model.productModel).Count; i++)
-                    {
-                        <span class="slide" id=@{"b"+i;}><img src="data:image/png;base64,@Convert.ToBase64String(Model.GetAllMediaFilesByProduct(Model.productModel)[i].Image)" class="img-fluid" alt="@Model.productModel.Name"></span>
-                    }                                  
-                </div>
-            </div>
-            <span id="prev">PREV</span>
-            <span id="next">NEXT</span>
         </div>
        
         <div class="col-md-6">
-            <h1>@Model.productModel.Name</h1>
+            <h1 id="ProductName">@Model.productModel.Name</h1>
             <div class="star-rating">
                 @for (int i = 0; i < (int)Math.Round(@Model.productModel.Rate); i++)
                 {
@@ -44,19 +32,36 @@
                 }
                 (@Model.productModel.Rate)
             </div>
-            <p class="lead">Цена: @Model.productModel.Price руб.</p>
+            <p class="lead">
+                @if (Model.saleModel != null)
+                {
+                    <span>Цена: <del>@Model.productModel.Price руб.</del> </span>
+                    <span style="color:red;">@(Model.productModel.Price / 100 * (100 - @Model.saleModel.Value)) руб.</span>
+                }
+                else
+                {
+                    <span>Цена: @Model.productModel.Price руб.</span>
+                }
+            </p>
             <p>Количество товара на складе: @Model.productModel.Amount</p>
 
+            <div class="hero-unit">
+                <div class="container">
+                    <div id="YMapsID"></div>
+                </div>
+            </div>
+
             @if (User.Identity.IsAuthenticated)
             {
                 <form method="post">
                     <div class="d-flex align-items-center mb-3">
-                        <input type="hidden" name="id" value="@Model.productModel.Id" />
-                        <input type="number" name="count" min="1" max="@Model.productModel.Amount" value="1" class="form-control w-auto" />
-                        <button type="submit" class="btn btn-primary me-2">В корзину</button>
+                        <input type="hidden" name="productId" value="@Model.productModel.Id"></input>
+                        <input type="hidden" name="productName" value="@Model.productModel.Name"></input>
+                        <input type="number" name="count" name="count" min="1" max="@Model.productModel.Amount" value="1" class="form-control w-auto" />
+                        <input type="hidden" name="price" value="@Model.productModel.ActualPrice"></input>           
                     </div>
+                    <button type="submit" class="btn btn-primary">В корзину</button>
                 </form>
-                
             }
             else
             {
@@ -64,66 +69,133 @@
                     <label for="quantity" class="me-2">Количество:</label>
                     <input type="number" id="quantity" name="quantity" min="1" max="@Model.productModel.Amount" value="1" class="form-control w-auto">
                 </div>
-                <a asp-page="Login" class="btn btn-primary me-2">
-                    В корзину
-                </a>
-
+                <a asp-page="Login" asp-route-count=1 class="btn btn-primary" data-toggle="modal" data-target="#loginPromptModal">В корзину</a>
             }
-            <button class="btn btn-secondary">Купить сейчас</button>
+
+            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#shareModal">
+                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-share" viewBox="0 0 16 16">
+                    <path d="M13.5 1a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3M11 2.5a2.5 2.5 0 1 1 .603 1.628l-6.718 3.12a2.5 2.5 0 0 1 0 1.504l6.718 3.12a2.5 2.5 0 1 1-.488.876l-6.718-3.12a2.5 2.5 0 1 1 0-3.256l6.718-3.12A2.5 2.5 0 0 1 11 2.5m-8.5 4a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3m11 5.5a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3"></path>
+                </svg>
+                Поделиться
+            </button>
+
+            <div class="modal fade" id="shareModal" tabindex="-1" aria-labelledby="shareModalLabel" aria-hidden="true">
+                <div class="modal-dialog">
+                    <div class="modal-content">
+                        <div class="modal-header">
+                            <h5 class="modal-title" id="shareModalLabel">Поделиться товаром</h5>
+                            <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                        </div>
+                        <div class="modal-body">
+                            <p>Ссылка на товар:</p>
+                            <input type="text" class="form-control" id="shareLink" value="https://localhost:7122/ProductPage?id=@Model.productModel.Id" readonly>
+                        </div>
+                        <div class="modal-footer">
+                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+                            <button type="button" class="btn btn-primary" onclick="copyLink()">Копировать ссылку <span class="button-share__icon"></span></button>
+                            <button type="button" class="btn btn-primary" onclick="shareOnTelegram()">Поделиться в Telegram</button>
+                            <button type="button" class="btn btn-primary" onclick="shareOnVK()">Поделиться в VK</button>
+                        </div>
+                    </div>
+                </div>
+            </div>
             
         </div>
     </div>
     <div class="row mt-5">
         <div class="col">
             <h2>Описание</h2>
-            <p>@Model.productModel.Amount</p>
+            <p>@Model.productModel.Description</p>
         </div>
     </div>
 </div>
 
-<script>
-    var carousel = $('#carousel'),
-        threshold = 150,
-        slideWidth = 500,
-        dragStart,
-        dragEnd;
+@* СПЕРВА ВОЙДИТЕ В СИСТЕМУ ОКНО *@
+<div class="modal fade" id="loginPromptModal" tabindex="-1" role="dialog" aria-labelledby="loginPromptModalLabel" aria-hidden="true">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title" id="loginPromptModalLabel">Предупреждение</h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+                Сперва войдите в систему.
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-dismiss="modal">Закрыть</button>
+            </div>
+        </div>
+    </div>
+</div>
 
-    $('#next').click(function () { shiftSlide(-1) })
-    $('#prev').click(function () { shiftSlide(1) })
 
-    carousel.on('mousedown', function () {
-        if (carousel.hasClass('transition')) return;
-        dragStart = event.pageX;
-        $(this).on('mousemove', function () {
-            dragEnd = event.pageX;
-            $(this).css('transform', 'translateX(' + dragPos() + 'px)')
-        })
-        $(document).on('mouseup', function () {
-            if (dragPos() > threshold) { return shiftSlide(1) }
-            if (dragPos() < -threshold) { return shiftSlide(-1) }
-            shiftSlide(0);
-        })
+<script type="text/javascript">
+    function copyLink() {
+        const shareLink = document.getElementById("shareLink");
+        shareLink.select();
+        shareLink.setSelectionRange(0, 99999);
+        document.execCommand("copy");
+        alert("Ссылка скопирована: " + shareLink.value);
+    }
+
+    function shareOnFacebook() {
+        const shareUrl = `https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(window.location.href)}`;
+        window.open(shareUrl, '_blank');
+    }
+
+    function shareOnTwitter() {
+        const shareText = "Посмотрите этот товар:";
+        const shareUrl = `https://twitter.com/intent/tweet?text=${encodeURIComponent(shareText)}&url=${encodeURIComponent(window.location.href)}`;
+        window.open(shareUrl, '_blank');
+    }
+
+    function shareOnTelegram() {
+        const name = document.getElementById("ProductName").innerText
+        const shareText = 'Посмотрите этот товар: ' + name;
+        const shareUrl = `https://t.me/share/url?url=${encodeURIComponent(window.location.href)}&text=${encodeURIComponent(shareText)}`;
+        window.open(shareUrl, '_blank');
+    }
+
+    function shareOnVK() {
+        const shareUrl = `https://vk.com/share.php?url=${encodeURIComponent(window.location.href)}`;
+        window.open(shareUrl, '_blank');
+    }
+
+    $(document).ready(function () {
+        if ($('#loginPromptModal').hasClass('show')) {
+            $('.btn-primary[data-toggle="modal"][data-target="#loginPromptModal"]').remove();
+            $('<a>', {
+                class: 'btn btn-primary',
+                href: '@Url.Page("Cart")',
+                text: 'В корзину'
+            }).appendTo('#cartButtonContainer');
+        }
     });
 
-    function dragPos() {
-        return dragEnd - dragStart;
-    }
+        ymaps.ready(function () {
+            var myMap = new ymaps.Map('YMapsID', {
+                center: [54.352498, 48.387667],
+                zoom: 16,
+                // Обратите внимание, что в API 2.1 по умолчанию карта создается с элементами управления.
+                // Если вам не нужно их добавлять на карту, в ее параметрах передайте пустой массив в поле controls.
+                controls: []
+            });
 
-    function shiftSlide(direction) {
-        if (carousel.hasClass('transition')) return;
-        dragEnd = dragStart;
-        $(document).off('mouseup')
-        carousel.off('mousemove')
-            .addClass('transition')
-            .css('transform', 'translateX(' + (direction * slideWidth) + 'px)');
-        setTimeout(function () {
-            if (direction === 1) {
-                $('.slide:first').before($('.slide:last'));
-            } else if (direction === -1) {
-                $('.slide:last').after($('.slide:first'));
-            }
-            carousel.removeClass('transition')
-            carousel.css('transform', 'translateX(0px)');
-        }, 700)
-    }
+            var myPlacemark = new ymaps.Placemark(myMap.getCenter(), {
+                balloonContentBody: [
+                    '<address>',
+                    '<strong>Товары на складе в нашем офисе</strong>',
+                    '<br/>',
+                'Адрес: 119021, Ульяновск, ул. Северный Венец, 32',
+                    '<br/>',        
+                    '</address>'
+                ].join('')
+            }, {
+                preset: 'islands#redDotIcon'
+            });
+
+            myMap.geoObjects.add(myPlacemark);
+        });
 </script>

WebApp/Pages/ProductPage.cshtml.cs

@@ -7,14 +7,16 @@ namespace WebApp.Pages
 {
     public class ProductPageModel : PageModel
     {
-        public PurchaseViewModel purchaseModel { get; set; }
         public ProductViewModel productModel { get; set; }
+        public SaleViewModel saleModel { get; set; }
         public MediaFileViewModel mediaFileModel { get; set; }
         public Dictionary<Guid, List<MediaFileViewModel>> MediaByProductsModel { get; set; }
-        public int Amount { get; set; } // Ñâîéñòâî äëÿ õðàíåíèÿ êîëè÷åñòâà òîâàðà
         public void OnGet(Guid id)
         {
             productModel = APIClient.GetRequest<ProductViewModel>($"Product/GetProduct?id={id}");
+
+            saleModel = APIClient.GetRequest<SaleViewModel>($"Sale/GetSaleByProduct?id={id}");
+
         }
 
         public byte[] GetMediaByProduct(ProductViewModel productModel)
@@ -31,21 +33,18 @@ namespace WebApp.Pages
             return models;
         }
 
-        public IActionResult OnPostAsync(Guid id, int count)
+        public IActionResult OnPostAsync(int count, double price, Guid productId, string productName)
         {
-            Amount = count;
-            if (purchaseModel == null)
+            var model = new CartItemBindingModel()
             {
-                var model = new PurchaseBindingModel()
-                {
-                    Cost = 0,
-                    DatePurchase = DateTime.Now,
-                    Status = 0,
+                Id = new Guid(),
+                DateCreated = DateTime.Now,
+                ProductId = productId,
+                ProductName = productName,
+                Count = count,
                 UserId = new Guid(this.GetUserId())
             };
-                //purchaseModel = APIClient.PostRequest<PurchaseBindingModel>($"Purchase/Create", model);               
-            }
-            APIClient.GetRequest<PurchaseViewModel>($"Purchase/AddProducts?purchaseId={purchaseModel.Id}?productId={id}?count={count}");
+            APIClient.PostRequest($"CartItem/Create/", model);
             return RedirectToPage("Cart");
         }
     }

WebApp/Pages/Purchase.cshtml

@@ -0,0 +1,63 @@
+@page
+@model WebApp.Pages.PurchaseModel
+@{
+    ViewData["Title"] = "Оплата заказа";
+}
+<h2>Оплата заказа</h2>
+
+<div class="row gx-lg-5 align-items-center mb-5">
+    <form method="post" class="form-section">
+        <div class="container mt-5">
+            <div class="row">
+                <div class="col-md-6">
+                    <label for="userFirstName" class="form-label">Имя</label>
+                    <input type="text" class="form-control form-input" id="customerName" name="CustomerName" value="@Model.paymentViewModel.UserFirstName" readonly>
+
+                    <label for="userSecondName" class="form-label">Фамилия</label>
+                    <input type="text" class="form-control form-input" id="customerName" name="CustomerName" value="@Model.paymentViewModel.UserSecondName" readonly>
+                </div>
+
+                <div class="col-md-6">
+                    <div class="form-group">
+                        <label for="Cost" class="form-label">Сумма заказа</label>
+                        <input type="number" class="form-control form-input" id="cost" name="cost" value="@Model.paymentViewModel.Cost" readonly>
+                    </div>
+
+                    <div class="form-group">
+                        <label for="paymentMethod" class="form-label">Способ оплаты</label>
+                        <select class="form-control form-select" id="paymentMethod" name="PaymentMethod">
+                            <option selected>Выберите способ оплаты</option>
+                            <option value="Online">Картой онлайн</option>
+                            <option value="Offline">Картой при получении</option>
+                        </select>
+                        <label class="form-label">Списать бонусы (@Model.paymentViewModel.Bonus шт.)</label>
+                        <input asp-for="bonus" type="checkbox" id="useBonus" name="bonus" class="form-checkbox"></input>
+                    </div>
+                </div>
+            </div>
+        </div>
+        <input asp-for="purchaseModel.UserId" type="hidden" name="userId" value="@Model.userModel.Id"></input>
+        <input asp-for="purchaseModel.ProductCount" type="hidden" name="ProductCount" value="@Model.paymentViewModel.ProductCount"></input>
+        <button type="submit" class="btn btn-primary">Оплатить</button>
+    </form>
+</div>
+
+<script>
+    document.addEventListener("DOMContentLoaded", function () {
+        var useBonusCheckbox = document.getElementById('useBonus');
+        var costInput = document.getElementById('Cost');
+        var originalCost = parseFloat('@Model.paymentViewModel.Cost'); // Инициализация исходной стоимости
+
+        useBonusCheckbox.addEventListener('change', function () {
+            if (this.checked) {
+                var bonusPoints = @Model.paymentViewModel.Bonus; // Убедитесь, что это значение доступно здесь
+                var currentCost = originalCost; // Используем исходную стоимость
+                var reducedCost = currentCost - (bonusPoints); // Предполагаем, что баллы равны X% стоимости
+                costInput.value = reducedCost.toFixed(2); // Округляем до двух десятичных знаков
+                originalCost = reducedCost; // Обновляем исходную стоимость
+            } else {
+                costInput.value = originalCost.toFixed(2); // Восстанавливаем исходную стоимость
+            }
+        });
+    });
+</script>

WebApp/Pages/Purchase.cshtml.cs

@@ -0,0 +1,98 @@
+using Contracts.BindingModels;
+using Contracts.Converters;
+using Contracts.ViewModels;
+using DataModels.Enums;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using WebApp.Helpers;
+using WebApp.Pages.User;
+
+namespace WebApp.Pages
+{
+    [Authorize(Roles = Roles.User)]
+    public class PurchaseModel : PageModel
+    {
+        [BindProperty]
+        public PurchaseBindingModel purchaseModel { get; set; }
+        public PaymentViewModel paymentViewModel { get; set; }
+        public UserViewModel userModel { get; set; }
+        [BindProperty]
+        public bool bonus { get; set; }
+        public void OnGet(PaymentViewModel model)
+        {
+            var id = this.GetUserId();
+            if (id is null)
+            {
+                return;
+            }
+
+            userModel = APIClient.GetRequest<UserViewModel>($"user/get?id={id}");
+            if (userModel is null)
+            {
+                throw new Exception("User is not found.");
+            }
+
+            paymentViewModel = model;
+            paymentViewModel.Bonus = userModel.Bonus;
+            paymentViewModel.UserFirstName = userModel.FirstName;
+            paymentViewModel.UserSecondName = userModel.SecondName;
+            paymentViewModel.Email = userModel.Email;
+        }
+
+        public IActionResult OnPostAsync(Guid userId, double cost, string PaymentMethod)
+        {
+            purchaseModel.Cost = cost;
+            if (PaymentMethod == "Online")
+                purchaseModel.IsPaid = true;
+            else
+                purchaseModel.IsPaid = false;
+
+            userModel = APIClient.GetRequest<UserViewModel>($"user/get?id={userId}");
+            UserBindingModel userBinding = UserConverter.ToBinding(userModel);
+
+            var bonusModel = new BonusUpdateBindingModel();
+            bonusModel.UserId = userId;
+            bonusModel.BonusPlus = Convert.ToInt32(purchaseModel.Cost) / 100;
+
+            if (bonus)
+            {
+                bonusModel.BonusMinus = userModel.Bonus;
+                purchaseModel.Cost -= userModel.Bonus;
+
+                var response_update1 = APIClient.PatchRequest($"user/updatebonus", bonusModel);
+
+                if (response_update1 is null || response_update1 is not string)
+                {
+                    throw new Exception("Something wrong LOL!");
+                }
+            }
+            var response_update = APIClient.PatchRequest($"user/updatebonus", bonusModel);
+
+            if (response_update is null || response_update is not string)
+            {
+                throw new Exception("Something wrong LOL!");
+            }
+
+            purchaseModel.Id = new Guid();
+            purchaseModel.Status = PurchaseStatus.Processing;
+            purchaseModel.DateCreated = DateTime.Now;
+
+            var response_create = APIClient.PostRequest($"Purchase/Create/", purchaseModel);
+
+            if (response_create is null || response_create is not string)
+            {
+                throw new Exception("Something wrong LOL!");
+            }
+
+            var response_delete = APIClient.DeleteRequest($"CartItem/DeleteAll/");
+
+            if (response_delete is null || response_delete is not string)
+            {
+                throw new Exception("Something wrong LOL!");
+            }
+
+            return RedirectToPage("/User/Purchases");
+        }
+    }
+}

WebApp/Pages/Shared/_Layout.cshtml

@@ -8,9 +8,29 @@
     <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
     <link rel="stylesheet" href="~/WebApp.styles.css" asp-append-version="true" />
     <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/[emailprotected]/dist/umd/popper.min.js"></script>
     <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
+    <script src="https://api-maps.yandex.ru/2.0-stable/?apikey=69ff7f14-0c56-41b5-814c-ce13b64021f5&load=package.standard&lang=ru-RU" type="text/javascript"></script>
+    <link href="https://cdnjs.cloudflare.com/ajax/libs/tempusdominus-bootstrap-5/3.0.0-alpha14/css/tempus-dominus.css" rel="stylesheet" />
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/tempusdominus-bootstrap-5/3.0.0-alpha14/js/tempus-dominus.min.js"></script>
+
+
+    <!-- Bootstrap CSS -->
+    <link href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css" rel="stylesheet">
+
+    <!-- Tempus Dominus CSS -->
+    <link href="https://cdnjs.cloudflare.com/ajax/libs/tempusdominus-bootstrap-5/3.0.0-alpha14/css/tempus-dominus.css" rel="stylesheet" />
+
+    <!-- jQuery -->
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+
+    <!-- Bootstrap JS -->
+    <script src="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/js/bootstrap.bundle.min.js"></script>
+
+    <!-- Tempus Dominus JS -->
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/tempusdominus-bootstrap-5/3.0.0-alpha14/js/tempus-dominus.min.js"></script>
+
 </head>
 <body>
     <header>
@@ -24,7 +44,7 @@
                 <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                     <ul class="navbar-nav flex-grow-1">
                         <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-page="/Index">Catalog</a>
+                            <a class="nav-link text-dark" asp-area="" asp-page="/Index">Каталог</a>
                         </li>
                         @* <li class="nav-item">
                             <a class="nav-link text-dark" asp-area="" asp-page="/Privacy">Privacy</a>
@@ -32,16 +52,16 @@
                         @if (User.Identity.IsAuthenticated)
                         {
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-page="/Cart">Cart</a>
+                                <a class="nav-link text-dark" asp-area="" asp-page="/Cart">Корзина</a>
                             </li>
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-page="/User/Index">Profile</a>
+                                <a class="nav-link text-dark" asp-area="" asp-page="/User/Index">Профиль</a>
                             </li>
                         }
                         else
                         {
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-page="/Login">Login</a>
+                                <a class="nav-link text-dark" asp-area="" asp-page="/Login">Вход</a>
                             </li>
                         }
                     </ul>

WebApp/Pages/Shared/_Layout.cshtml.css

@@ -47,72 +47,72 @@ button.accept-policy {
   line-height: 60px;
 }
 
-$carousel-width: 600px;
-$carousel-height: 300px;
 
-body {
-    background: #333;
-    color: #fff;
-    font-size: 22pt;
-    text-align: center;
-    font-family: 'Teko';
-    letter-spacing: 0.15em;
-}
 
-body * {
-    -webkit-user-select: none
-}
 
-.wrap {
-    position: relative;
-    width: $carousel-width;
-    height: 300px;
-    margin: 0 auto;
-    box-shadow: 7px 7px 5px 0px rgba(0, 0, 0, 0.25);
-}
-
-.window {
+.b-carousel {
+    width: 100%;
     overflow: hidden;
     position: relative;
-    background: #222;
+    box-sizing: border-box;
+    border: 1px solid;
 }
 
-#carousel {
-    width: 10000px;
-    position: relative;
-    top: 0;
-    left: -450px;
-}
-
-.slide {
-    height: 300px;
-    width: 500px;
+.b-carousel__prev,
+.b-carousel__next {
+    position: absolute;
+    top: 50%;
+    left: 20px;
+    width: 50px;
+    height: 50px;
+    background: #fff;
+    transform: translateY(-50%) translateZ(0);
     cursor: pointer;
-    float: left;
+    text-indent: 100%;
+    white-space: nowrap;
+    overflow: hidden;
+    z-index: 3;
+}
+
+.b-carousel__next {
+    left: auto;
+    right: 20px;
+}
+
+.b-carousel__wrap {
     display: flex;
-    flex-direction: column;
+    transition: transform .5s;
+    will-change: transform;
+    position: relative;
+    z-index: 1;
+    height: 100%;
+}
+
+.b-carousel__item {
+    flex: 0 0 100%;
+    overflow: hidden;
+    display: flex;
+    align-items: center;
     justify-content: center;
 }
 
-#prev {
-    left: 0
+.b-carousel__img {
+    max-height: "300px"
+    width: 100%;
+    display: block;
 }
 
-#next {
-    right: 0
+
+
+
+/*DROPDOWN*/
+
+.dropdown .form-group {
+    display: flex;
+    align-items: center;
+    margin: 0 !important;
 }
 
-.transition {
-    transition: .7s;
-}
-#prev {
-    left: 0
-}
-
-#next {
-    right: 0
-}
-
-.transition {
-    transition: .7s;
-}
+    .dropdown .form-group > * {
+        margin: 0 0.5rem;
+    }