Merge branch 'main' into dev-implementer

ComputerShopBusinessLogic/BusinessLogics/AssemblyLogic.cs

@@ -0,0 +1,117 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class AssemblyLogic : IAssemblyLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IAssemblyStorage _assemblyStorage;
+
+		public AssemblyLogic(ILogger<AssemblyLogic> Logger, IAssemblyStorage AssemblyStorage)
+		{
+			_logger = Logger;
+			_assemblyStorage = AssemblyStorage;
+		}
+
+		public List<AssemblyViewModel>? ReadList(AssemblySearchModel? Model)
+		{
+			var List = (Model == null) ? _assemblyStorage.GetFullList() : _assemblyStorage.GetFilteredList(Model);
+
+			if (List == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+
+			_logger.LogInformation("ReadList. Count: {Count}", List.Count);
+			return List;
+		}
+
+		public AssemblyViewModel? ReadElement(AssemblySearchModel Model)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			var Element = _assemblyStorage.GetElement(Model);
+			if (Element == null)
+			{
+				_logger.LogWarning("ReadElement Assembly not found");
+				return null;
+			}
+
+			_logger.LogInformation("ReadElement Assembly found. Id: {Id}", Element.Id);
+			return Element;
+		}
+
+		public bool Create(AssemblyBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_assemblyStorage.Insert(Model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Update(AssemblyBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_assemblyStorage.Update(Model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Delete(AssemblyBindingModel Model)
+		{
+			CheckModel(Model, false);
+			_logger.LogInformation("Delete. Id:{Id}", Model.Id);
+
+			if (_assemblyStorage.Delete(Model) is null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		private void CheckModel(AssemblyBindingModel Model, bool WithParams = true)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			if (!WithParams)
+				return;
+
+			if (string.IsNullOrEmpty(Model.AssemblyName))
+				throw new ArgumentException($"У сборки отсутствует название");
+
+			if (string.IsNullOrEmpty(Model.Category))
+				throw new ArgumentException($"У сборки отсутствует категория");
+
+			if (Model.Price <= 0)
+				throw new ArgumentException("Цена сборки должна быть больше 0", nameof(Model.Price));
+
+			var Element = _assemblyStorage.GetElement(new AssemblySearchModel
+			{
+				AssemblyName = Model.AssemblyName
+			});
+
+			if (Element != null && Element.Id != Model.Id)
+				throw new InvalidOperationException("Товар с таким названием уже есть");
+		}
+	}
+}

ComputerShopBusinessLogic/BusinessLogics/ComponentLogic.cs

@@ -0,0 +1,114 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class ComponentLogic : IComponentLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IComponentStorage _componentStorage;
+
+		public ComponentLogic(ILogger<ComponentLogic> Logger, IComponentStorage ComponentStorage)
+		{
+			_logger = Logger;
+			_componentStorage = ComponentStorage;
+		}
+
+		public List<ComponentViewModel>? ReadList(ComponentSearchModel? Model)
+		{
+			var List = (Model == null) ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(Model);
+
+			if (List == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+
+			_logger.LogInformation("ReadList. Count: {Count}", List.Count);
+			return List;
+		}
+
+		public ComponentViewModel? ReadElement(ComponentSearchModel Model)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			var Element = _componentStorage.GetElement(Model);
+			if (Element == null)
+			{
+				_logger.LogWarning("ReadElement component not found");
+				return null;
+			}
+			
+			_logger.LogInformation("ReadElement component found. Id: {Id}", Element.Id);
+			return Element;
+		}
+
+		public bool Create(ComponentBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_componentStorage.Insert(Model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Update(ComponentBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_componentStorage.Update(Model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Delete(ComponentBindingModel Model)
+		{
+			CheckModel(Model, false);
+			_logger.LogInformation("Delete. Id:{Id}", Model.Id);
+
+			if (_componentStorage.Delete(Model) is null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		private void CheckModel(ComponentBindingModel Model, bool WithParams = true)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			if (!WithParams)
+				return;
+
+			if (string.IsNullOrEmpty(Model.ComponentName))
+				throw new ArgumentException($"У комплектующей отсутствует название");
+
+			if (Model.Cost <= 0)
+				throw new ArgumentException("Цена комплектующей должна быть больше 0", nameof(Model.Cost));
+
+			var Element = _componentStorage.GetElement(new ComponentSearchModel
+			{
+				ComponentName = Model.ComponentName
+			});
+
+			if (Element != null && Element.Id != Model.Id)
+				throw new InvalidOperationException("Комплектующая с таким названием уже есть");
+		}
+	}
+}

ComputerShopBusinessLogic/BusinessLogics/ProductLogic.cs

@@ -0,0 +1,117 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class ProductLogic : IProductLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IProductStorage _productStorage;
+
+		public ProductLogic(ILogger<ProductLogic> Logger, IProductStorage ProductStorage)
+		{
+			_logger = Logger;
+			_productStorage = ProductStorage;
+		}
+
+		public List<ProductViewModel>? ReadList(ProductSearchModel? Model)
+		{
+			var List = (Model == null) ? _productStorage.GetFullList() : _productStorage.GetFilteredList(Model);
+
+			if (List == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+
+			_logger.LogInformation("ReadList. Count: {Count}", List.Count);
+			return List;
+		}
+
+		public ProductViewModel? ReadElement(ProductSearchModel Model)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			var Element = _productStorage.GetElement(Model);
+			if (Element == null)
+			{
+				_logger.LogWarning("ReadElement Product not found");
+				return null;
+			}
+
+			_logger.LogInformation("ReadElement Product found. Id: {Id}", Element.Id);
+			return Element;
+		}
+
+		public bool Create(ProductBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_productStorage.Insert(Model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Update(ProductBindingModel Model)
+		{
+			CheckModel(Model);
+
+			if (_productStorage.Update(Model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		public bool Delete(ProductBindingModel Model)
+		{
+			CheckModel(Model, false);
+			_logger.LogInformation("Delete. Id:{Id}", Model.Id);
+
+			if (_productStorage.Delete(Model) is null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+
+			return true;
+		}
+
+		private void CheckModel(ProductBindingModel Model, bool WithParams = true)
+		{
+			if (Model == null)
+				throw new ArgumentNullException(nameof(Model));
+
+			if (!WithParams)
+				return;
+
+			if (string.IsNullOrEmpty(Model.ProductName))
+				throw new ArgumentException($"У товара отсутствует название");
+
+			if (Model.Price <= 0)
+				throw new ArgumentException("Цена товара должна быть больше 0", nameof(Model.Price));
+
+			if (Model.Warranty <= 0)
+				throw new ArgumentException("Гарантия на товар должна быть больше 0", nameof(Model.Warranty));
+
+			var Element = _productStorage.GetElement(new ProductSearchModel
+			{
+				ProductName = Model.ProductName
+			});
+
+			if (Element != null && Element.Id != Model.Id)
+				throw new InvalidOperationException("Товар с таким названием уже есть");
+		}
+	}
+}

ComputerShopContracts/BindingModels/AssemblyBindingModel.cs

@@ -10,7 +10,7 @@ namespace ComputerShopContracts.BindingModels
 
 		public string AssemblyName { get; set; } = string.Empty;
 
-		public double Cost { get; set; }
+		public double Price { get; set; }
 
 		public string Category { get; set; } = string.Empty;
 

ComputerShopContracts/BindingModels/ProductBindingModel.cs

@@ -7,15 +7,15 @@ namespace ComputerShopContracts.BindingModels
 		public int Id { get; set; }
 
 		public int UserId { get; set; }
+		
+		public int? ShipmentId { get; set; }
 
 		public string ProductName { get; set; } = string.Empty;
 
-		public double Cost { get; set; }
+		public double Price { get; set; }
 
 		public int Warranty { get; set; }
 
 		public Dictionary<int, (IComponentModel, int)> ProductComponents { get; set; } = new();
-
-		public int? ShipmentId { get; set; }
 	}
 }

ComputerShopContracts/SearchModels/AssemblySearchModel.cs

@@ -6,6 +6,8 @@
 
 		public int? UserId { get; set; }
 
+		public string? AssemblyName { get; set; }
+
 		public string? Category { get; set; }
 	}
 }

ComputerShopContracts/SearchModels/ComponentSearchModel.cs

@@ -5,5 +5,7 @@
 		public int? Id { get; set; }
 
 		public int? UserId { get; set; }
+
+		public string? ComponentName { get; set; }
 	}
 }

ComputerShopContracts/SearchModels/ProductSearchModel.cs

@@ -7,5 +7,7 @@
 		public int? UserId { get; set; }
 
 		public int? ShipmentId { get; set; }
+
+		public string? ProductName { get; set; }
 	}
 }

ComputerShopContracts/ViewModels/AssemblyViewModel.cs

@@ -13,7 +13,7 @@ namespace ComputerShopContracts.ViewModels
 		public string AssemblyName { get; set; } = string.Empty;
 
 		[DisplayName("Стоимость")]
-		public double Cost { get; set; }
+		public double Price { get; set; }
 
 		[DisplayName("Категория")]
 		public string Category { get; set; } = string.Empty;

ComputerShopContracts/ViewModels/ProductViewModel.cs

@@ -9,20 +9,20 @@ namespace ComputerShopContracts.ViewModels
 
 		public int UserId { get; set; }
 
+		public int? ShipmentId { get; set; }
+
+		[DisplayName("Поставщик")]
+		public string? ProviderName { get; set; }
+
 		[DisplayName("Название товара")]
 		public string ProductName { get; set; } = string.Empty;
 
 		[DisplayName("Стоимость")]
-		public double Cost { get; set; }
+		public double Price { get; set; }
 
 		[DisplayName("Гарантия (мес.)")]
 		public int Warranty { get; set; }
 
 		public Dictionary<int, (IComponentModel, int)> ProductComponents { get; set; } = new();
-
-		public int? ShipmentId { get; set; }
-
-		[DisplayName("Поставщик")]
-		public string ProviderName { get; set; } = string.Empty;
 	}
 }

ComputerShopDataModels/Models/IAssemblyModel.cs

@@ -18,7 +18,7 @@
 		/// <summary>
 		/// Стоимость
 		/// </summary>
-		double Cost { get; }
+		double Price { get; }
 
 		/// <summary>
 		/// Категория

ComputerShopDataModels/Models/IProductModel.cs

@@ -18,7 +18,7 @@
 		/// <summary>
 		/// Стоимость товара
 		/// </summary>
-		double Cost { get; }
+		double Price { get; }
 
 		/// <summary>
 		/// Гарантия

ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs

@@ -0,0 +1,121 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class AssemblyStorage : IAssemblyStorage
+	{
+		public List<AssemblyViewModel> GetFullList()
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public List<AssemblyViewModel> GetFilteredList(AssemblySearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// Optional search by Category name
+			if (!string.IsNullOrEmpty(Model.Category))
+			{
+				return Context.Assemblies
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Assembly)
+					.Where(x => x.UserId == Model.UserId && x.Category == Model.Category)
+					.Select(x => x.ViewModel)
+					.ToList();
+			}
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.Where(x => x.UserId == Model.UserId)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public AssemblyViewModel? GetElement(AssemblySearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// AssemblyName is unique
+			if (!string.IsNullOrEmpty(Model.AssemblyName))
+			{
+				return Context.Assemblies
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Assembly)
+					.FirstOrDefault(x => x.AssemblyName == Model.AssemblyName)?
+					.ViewModel;
+			}
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.FirstOrDefault(x => x.Id == Model.Id)?
+				.ViewModel;
+		}
+
+		public AssemblyViewModel? Insert(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var NewAssembly = Assembly.Create(Context, Model);
+			Context.Assemblies.Add(NewAssembly);
+			Context.SaveChanges();
+
+			return NewAssembly.ViewModel;
+		}
+
+		public AssemblyViewModel? Update(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+			using var Transaction = Context.Database.BeginTransaction();
+
+			try
+			{
+				var ExistingAssembly = Context.Assemblies.FirstOrDefault(x => x.Id == Model.Id);
+				if (ExistingAssembly == null)
+				{
+					return null;
+				}
+
+				ExistingAssembly.Update(Model);
+				Context.SaveChanges();
+				ExistingAssembly.UpdateComponents(Context, Model);
+				Transaction.Commit();
+
+				return ExistingAssembly.ViewModel;
+			}
+			catch
+			{
+				Transaction.Rollback();
+				throw;
+			}
+		}
+
+		public AssemblyViewModel? Delete(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingAssembly = Context.Assemblies.Include(x => x.Components).FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingAssembly == null)
+			{
+				return null;
+			}
+
+			Context.Assemblies.Remove(ExistingAssembly);
+			Context.SaveChanges();
+
+			return ExistingAssembly.ViewModel;
+		}
+	}
+}

ComputerShopDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,90 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class ComponentStorage : IComponentStorage
+	{
+		public List<ComponentViewModel> GetFullList()
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Components
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public List<ComponentViewModel> GetFilteredList(ComponentSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Components
+				.Where(x => x.UserId == Model.UserId)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public ComponentViewModel? GetElement(ComponentSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// ComponentName is unique
+			if (!string.IsNullOrEmpty(Model.ComponentName))
+			{
+				return Context.Components
+					.FirstOrDefault(x => x.ComponentName == Model.ComponentName)?
+					.ViewModel;
+			}
+
+			return Context.Components
+				.FirstOrDefault(x => x.Id == Model.Id)?
+				.ViewModel;
+		}
+
+		public ComponentViewModel? Insert(ComponentBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var NewComponent = Component.Create(Model);
+			Context.Components.Add(NewComponent);
+			Context.SaveChanges();
+
+			return NewComponent.ViewModel;
+		}
+
+		public ComponentViewModel? Update(ComponentBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingComponent = Context.Components.FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingComponent == null)
+			{
+				return null;
+			}
+
+			ExistingComponent.Update(Model);
+			Context.SaveChanges();
+
+			return ExistingComponent.ViewModel;
+		}
+
+		public ComponentViewModel? Delete(ComponentBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingComponent = Context.Components.FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingComponent == null)
+			{
+				return null;
+			}
+
+			Context.Components.Remove(ExistingComponent);
+			Context.SaveChanges();
+
+			return ExistingComponent.ViewModel;
+		}
+	}
+}

ComputerShopDatabaseImplement/Implements/ProductStorage.cs

@@ -0,0 +1,126 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class ProductStorage : IProductStorage
+	{
+		public List<ProductViewModel> GetFullList()
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public List<ProductViewModel> GetFilteredList(ProductSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// Optional search by Shipment
+			if (Model.ShipmentId.HasValue)
+			{
+				return Context.Products
+					.Include(x => x.Shipment)
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Product)
+					.Where(x => x.UserId == Model.UserId && x.ShipmentId == Model.ShipmentId)
+					.Select(x => x.ViewModel)
+					.ToList();
+			}
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.Where(x => x.UserId == Model.UserId)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public ProductViewModel? GetElement(ProductSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// ProductName is unique
+			if (!string.IsNullOrEmpty(Model.ProductName))
+			{
+				return Context.Products
+					.Include(x => x.Shipment)
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Product)
+					.FirstOrDefault(x => x.ProductName == Model.ProductName)?
+					.ViewModel;
+			}
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.FirstOrDefault(x => x.Id == Model.Id)?
+				.ViewModel;
+		}
+
+		public ProductViewModel? Insert(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var NewProduct = Product.Create(Context, Model);
+			Context.Products.Add(NewProduct);
+			Context.SaveChanges();
+
+			return NewProduct.ViewModel;
+		}
+
+		public ProductViewModel? Update(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+			using var Transaction = Context.Database.BeginTransaction();
+
+			try
+			{
+				var ExistingProduct = Context.Products.FirstOrDefault(x => x.Id == Model.Id);
+				if (ExistingProduct == null)
+				{
+					return null;
+				}
+
+				ExistingProduct.Update(Model);
+				Context.SaveChanges();
+				ExistingProduct.UpdateComponents(Context, Model);
+				Transaction.Commit();
+
+				return ExistingProduct.ViewModel;
+			}
+			catch
+			{
+				Transaction.Rollback();
+				throw;
+			}
+		}
+
+		public ProductViewModel? Delete(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingProduct = Context.Products.Include(x => x.Components).FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingProduct == null)
+			{
+				return null;
+			}
+
+			Context.Products.Remove(ExistingProduct);
+			Context.SaveChanges();
+
+			return ExistingProduct.ViewModel;
+		}
+	}
+}

ComputerShopDatabaseImplement/Migrations/20240501095656_Переименовал Price (Олег).Designer.cs

@@ -0,0 +1,522 @@
+// <auto-generated />
+using System;
+using ComputerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerShopDatabase))]
+    [Migration("20240501095656_Переименовал Price (Олег)")]
+    partial class ПереименовалPriceОлег
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.18")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AssemblyName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Assemblies");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int?>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Warranty")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateRequest")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RequestId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("RequestId");
+
+                    b.ToTable("RequestOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateShipment")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("ProviderName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.ToTable("ShipmentOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Role")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Assemblies")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Components")
+                        .HasForeignKey("AssemblyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("AssemblyComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Components")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Products")
+                        .HasForeignKey("ShipmentId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Proucts")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Requests")
+                        .HasForeignKey("AssemblyId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany("Requests")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Requests")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Request", "Request")
+                        .WithMany("Orders")
+                        .HasForeignKey("RequestId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", null)
+                        .WithMany("Shipments")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Shipments")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Orders")
+                        .HasForeignKey("ShipmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("AssemblyComponents");
+
+                    b.Navigation("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Navigation("Orders");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Navigation("Assemblies");
+
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("Proucts");
+
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerShopDatabaseImplement/Migrations/20240501095656_Переименовал Price (Олег).cs

@@ -0,0 +1,38 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ПереименовалPriceОлег : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.RenameColumn(
+                name: "Cost",
+                table: "Products",
+                newName: "Price");
+
+            migrationBuilder.RenameColumn(
+                name: "Cost",
+                table: "Assemblies",
+                newName: "Price");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.RenameColumn(
+                name: "Price",
+                table: "Products",
+                newName: "Cost");
+
+            migrationBuilder.RenameColumn(
+                name: "Price",
+                table: "Assemblies",
+                newName: "Cost");
+        }
+    }
+}

ComputerShopDatabaseImplement/Migrations/ComputerShopDatabaseModelSnapshot.cs

@@ -38,7 +38,7 @@ namespace ComputerShopDatabaseImplement.Migrations
                         .IsRequired()
                         .HasColumnType("text");
 
-                    b.Property<double>("Cost")
+                    b.Property<double>("Price")
                         .HasColumnType("double precision");
 
                     b.Property<int>("UserId")
@@ -137,7 +137,7 @@ namespace ComputerShopDatabaseImplement.Migrations
 
                     NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
 
-                    b.Property<double>("Cost")
+                    b.Property<double>("Price")
                         .HasColumnType("double precision");
 
                     b.Property<string>("ProductName")

ComputerShopDatabaseImplement/Models/Assembly.cs

@@ -1,4 +1,5 @@
 using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
 using ComputerShopDataModels.Models;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
@@ -16,7 +17,7 @@ namespace ComputerShopDatabaseImplement.Models
 		public string AssemblyName { get; private set; } = string.Empty;
 
 		[Required]
-		public double Cost { get; private set; }
+		public double Price { get; private set; }
 
 		[Required]
 		public string Category { get; private set; } = string.Empty;
@@ -53,7 +54,7 @@ namespace ComputerShopDatabaseImplement.Models
 				Id = Model.Id,
 				UserId = Model.UserId,
 				AssemblyName = Model.AssemblyName,
-				Cost = Model.Cost,
+				Price = Model.Price,
 				Category = Model.Category,
 				Components = Model.AssemblyComponents.Select(x => new AssemblyComponent
 				{
@@ -63,6 +64,64 @@ namespace ComputerShopDatabaseImplement.Models
 			};
 		}
 
-		// TODO: Update(), ViewModel, UpdateComponents()
+		public void Update(AssemblyBindingModel Model)
+		{
+			if (!string.IsNullOrEmpty(Model.AssemblyName))
+			{
+				AssemblyName = Model.AssemblyName;
+			}			
+			
+			if (!string.IsNullOrEmpty(Model.Category))
+			{
+				Category = Model.Category;
+			}
+			
+			Price = Model.Price;
+		}
+
+		public AssemblyViewModel ViewModel => new()
+		{
+			Id = Id,
+			UserId = UserId,
+			AssemblyName = AssemblyName,
+			Price = Price,
+			Category = Category,
+			AssemblyComponents = AssemblyComponents,
+		};
+
+		public void UpdateComponents(ComputerShopDatabase Context, AssemblyBindingModel Model)
+		{
+			var AssemblyComponents = Context.AssemblyComponents.Where(x => x.AssemblyId == Model.Id).ToList();
+			if (AssemblyComponents != null && AssemblyComponents.Count > 0)
+			{
+				Context.AssemblyComponents
+					.RemoveRange(AssemblyComponents
+					.Where(x => !Model.AssemblyComponents.ContainsKey(x.ComponentId)));
+				Context.SaveChanges();
+
+				foreach (var ComponentToUpdate in AssemblyComponents)
+				{
+					ComponentToUpdate.Count = Model.AssemblyComponents[ComponentToUpdate.ComponentId].Item2;
+					Model.AssemblyComponents.Remove(ComponentToUpdate.ComponentId);
+				}
+
+				Context.SaveChanges();
+			}
+
+			var CurrentAssembly = Context.Assemblies.First(x => x.Id == Id);
+			foreach (var AssemblyComponent in Model.AssemblyComponents)
+			{
+				Context.AssemblyComponents.Add(new AssemblyComponent
+				{
+					Assembly = CurrentAssembly,
+					Component = Context.Components.First(x => x.Id == AssemblyComponent.Key),
+					Count = AssemblyComponent.Value.Item2
+				});
+
+				Context.SaveChanges();
+			}
+
+			_assemblyComponents = null;
+		}
 	}
 }

ComputerShopDatabaseImplement/Models/Product.cs

@@ -1,4 +1,5 @@
 using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
 using ComputerShopDataModels.Models;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
@@ -12,19 +13,19 @@ namespace ComputerShopDatabaseImplement.Models
 		[Required]
 		public int UserId { get; set; }
 
+		public int? ShipmentId { get; set; }
+
+		public virtual Shipment? Shipment { get; set; }
+
 		[Required]
 		public string ProductName { get; set; } = string.Empty;
 
 		[Required]
-		public double Cost { get; set; }
+		public double Price { get; set; }
 
 		[Required]
 		public int Warranty { get; set; }
 
-		public int? ShipmentId { get; set; }
-
-		public virtual Shipment? Shipment { get; set; }
-
 		[ForeignKey("ProductId")]
 		public virtual List<ProductComponent> Components { get; set; } = new();
 
@@ -53,16 +54,74 @@ namespace ComputerShopDatabaseImplement.Models
 			{
 				Id = Model.Id,
 				UserId = Model.UserId,
+				ShipmentId = Model.ShipmentId,
 				ProductName = Model.ProductName,
-				Cost = Model.Cost,
+				Price = Model.Price,
 				Warranty = Model.Warranty,
 				Components = Model.ProductComponents.Select(x => new ProductComponent
 				{
 					Component = Context.Components.First(y => y.Id == x.Key),
 					Count = x.Value.Item2
 				}).ToList(),
-				ShipmentId = Model.ShipmentId,
 			};
 		}
+
+		public void Update(ProductBindingModel Model)
+		{
+			if (!string.IsNullOrEmpty(Model.ProductName))
+			{
+				ProductName = Model.ProductName;
+			}
+
+			ShipmentId = Model.ShipmentId;
+			Price = Model.Price;
+			Warranty = Model.Warranty;
+		}
+
+		public ProductViewModel ViewModel => new()
+		{
+			Id = Id,
+			UserId = UserId,
+			ShipmentId = ShipmentId,
+			ProviderName = Shipment?.ProviderName,
+			Price = Price,
+			Warranty = Warranty,
+			ProductComponents = ProductComponents,
+		};
+
+		public void UpdateComponents(ComputerShopDatabase Context, ProductBindingModel Model)
+		{
+			var ProductComponents = Context.ProductComponents.Where(x => x.ProductId == Model.Id).ToList();
+			if (ProductComponents != null && ProductComponents.Count > 0)
+			{
+				Context.ProductComponents
+					.RemoveRange(ProductComponents
+					.Where(x => !Model.ProductComponents.ContainsKey(x.ComponentId)));
+				Context.SaveChanges();
+
+				foreach (var ComponentToUpdate in ProductComponents)
+				{
+					ComponentToUpdate.Count = Model.ProductComponents[ComponentToUpdate.ComponentId].Item2;
+					Model.ProductComponents.Remove(ComponentToUpdate.ComponentId);
+				}
+
+				Context.SaveChanges();
+			}
+
+			var CurrentProduct = Context.Products.First(x => x.Id == Id);
+			foreach (var ProductComponent in Model.ProductComponents)
+			{
+				Context.ProductComponents.Add(new ProductComponent
+				{
+					Product = CurrentProduct,
+					Component = Context.Components.First(x => x.Id == ProductComponent.Key),
+					Count = ProductComponent.Value.Item2
+				});
+
+				Context.SaveChanges();
+			}
+
+			_productComponents = null;
+		}
 	}
 }

ComputerShopDatabaseImplement/Models/Request.cs

@@ -95,7 +95,7 @@ namespace ComputerShopDatabaseImplement.Models
 		{
 			var currentRequest = context.Requests.First(x => x.Id == Id);
 			//стоимость сборки, связанной с заявкой (или 0, если заявка не связана со сборкой)
-			double cost_of_assembly = (currentRequest.Assembly.Cost != null) ? currentRequest.Assembly.Cost : 0;
+			double cost_of_assembly = (currentRequest.Assembly.Price != null) ? currentRequest.Assembly.Price : 0;
 	
 			var requestOrders = context.RequestOrders.Where(x => x.RequestId == model.Id).ToList();
 
@@ -134,7 +134,7 @@ namespace ComputerShopDatabaseImplement.Models
 		public void ConnectAssembly(ComputerShopDatabase context, RequestBindingModel model)
 		{
 			//стоимость старой сборки (или 0, если её не было)
-			double cost_of_old_assembly = (Assembly.Cost != null) ? Assembly.Cost : 0;
+			double cost_of_old_assembly = (Assembly.Price != null) ? Assembly.Price : 0;
 
 			AssemblyId = model.AssemblyId;
 			Assembly = context.Assemblies.First(x => x.Id == model.AssemblyId);
@@ -145,7 +145,7 @@ namespace ComputerShopDatabaseImplement.Models
 				//вычитание из стоимости заказа старой сборки
 				connectedOrder.ChangeSum(-cost_of_old_assembly);
 				//прибавление стоимости новой сборки
-				connectedOrder.ChangeSum(Assembly.Cost);
+				connectedOrder.ChangeSum(Assembly.Price);
 				context.SaveChanges();
 			}
 		}