исправил текст в домене

Reviewed-on: #8

ComputerHardwareStore/ComputerHardwareStore.sln

@@ -9,7 +9,18 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreDataMo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreContracts", "ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj", "{5F394E21-2597-432B-AE73-BBAFD8D9F50E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputerHardwareStoreBusinessLogic", "ComputerHardwareStoreBusinessLogic\ComputerHardwareStoreBusinessLogic.csproj", "{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreBusinessLogic", "ComputerHardwareStoreBusinessLogic\ComputerHardwareStoreBusinessLogic.csproj", "{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreDatabaseImplement", "ComputerHardwareStoreDatabaseImplement\ComputerHardwareStoreDatabaseImplement.csproj", "{93BD4E28-48D8-4D3A-87FB-FB96F00DA64B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreREST", "ComputerHardwareStoreREST\ComputerHardwareStoreREST.csproj", "{20E4D287-C0F4-4DAB-B338-349F8B6EA22B}"
+	ProjectSection(ProjectDependencies) = postProject
+		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD} = {D32DEB60-AF40-46AF-8914-DC6A19BD66CD}
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VendorClient", "VendorClient\VendorClient.csproj", "{BD0D9FB9-7F73-4011-AAC8-D5508EC5EB53}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StoreKeeperClient", "StoreKeeperClient\StoreKeeperClient.csproj", "{E31BB0DA-6493-4260-9EE7-6C330E12D2F1}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -33,6 +44,22 @@ Global
 		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{93BD4E28-48D8-4D3A-87FB-FB96F00DA64B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{93BD4E28-48D8-4D3A-87FB-FB96F00DA64B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{93BD4E28-48D8-4D3A-87FB-FB96F00DA64B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{93BD4E28-48D8-4D3A-87FB-FB96F00DA64B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{20E4D287-C0F4-4DAB-B338-349F8B6EA22B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{20E4D287-C0F4-4DAB-B338-349F8B6EA22B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{20E4D287-C0F4-4DAB-B338-349F8B6EA22B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{20E4D287-C0F4-4DAB-B338-349F8B6EA22B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BD0D9FB9-7F73-4011-AAC8-D5508EC5EB53}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD0D9FB9-7F73-4011-AAC8-D5508EC5EB53}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD0D9FB9-7F73-4011-AAC8-D5508EC5EB53}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD0D9FB9-7F73-4011-AAC8-D5508EC5EB53}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E31BB0DA-6493-4260-9EE7-6C330E12D2F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E31BB0DA-6493-4260-9EE7-6C330E12D2F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E31BB0DA-6493-4260-9EE7-6C330E12D2F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E31BB0DA-6493-4260-9EE7-6C330E12D2F1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/CommentLogic.cs

@@ -20,7 +20,7 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
 
         public List<CommentViewModel>? ReadList(CommentSearchModel? model)
         {
-            _logger.LogInformation("ReadList Comment. Date:{Date}. Id:{Id}", model?.Date, model?.Id);
+            _logger.LogInformation("ReadList Comment. Id:{Id}", model?.Id);
             var list = model == null ? _commentStorage.GetFullList() :
                 _commentStorage.GetFilteredList(model);
             if (list == null)
@@ -38,7 +38,7 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 throw new ArgumentNullException(nameof(model));
             }
-            _logger.LogInformation("ReadElement Comment. Date:{Date}. Id:{ Id}", model.Date, model.Id);
+            _logger.LogInformation("ReadElement Comment. Id:{ Id}", model.Id);
             var element = _commentStorage.GetElement(model);
             if (element == null)
             {
@@ -92,9 +92,9 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (string.IsNullOrEmpty(model.Date))
+            if (string.IsNullOrEmpty(model.Text))
             {
-                throw new ArgumentNullException("Нет даты у комментария", nameof(model.Date));
+                throw new ArgumentNullException("Нет текста комментария", nameof(model.Text));
             }
         }
     }

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/MessageInfoLogic.cs

@@ -0,0 +1,20 @@
+using ComputerHardwareContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+	public class MessageInfoLogic : IMessageInfoLogic
+	{
+		public bool Create(MessageInfoBindingModel model)
+		{
+			throw new NotImplementedException();
+		}
+
+		public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -76,7 +76,7 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
                 throw new ArgumentNullException(nameof(element));
             }
 
-            model.OrderProduct = element.OrderProduct;
+            model.OrderProducts = element.OrderProducts;
             model.DateCreate = element.DateCreate;
             model.Status = element.Status;
 

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/PurchaseLogic.cs

@@ -92,10 +92,6 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (model.DateCreate == null) // TODO чего блин, всмысле нет
-            {
-                throw new ArgumentNullException("Нет даты создания покупки", nameof(model.Date));
-            }
             if (model.Cost <= 0)
             {
                 throw new ArgumentNullException("Стоимость покупки должна быть больше 0", nameof(model.Cost));

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/ComputerHardwareStoreBusinessLogic.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="DocumentFormat.OpenXml" Version="2.19.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
   </ItemGroup>
 

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/MailWorker/AbstractMailWorker.cs

@@ -0,0 +1,62 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.MailWorker
+{
+	public abstract class AbstractMailWorker
+	{
+		protected string _mailLogin = string.Empty;
+
+		protected string _mailPassword = string.Empty;
+
+		protected string _smtpClientHost = string.Empty;
+
+		protected int _smtpClientPort;
+
+		protected string _popHost = string.Empty;
+
+		protected int _popPort;
+
+		private readonly ILogger _logger;
+
+		public AbstractMailWorker(ILogger<AbstractMailWorker> logger)
+		{
+			_logger = logger;
+		}
+
+		public void MailConfig(MailConfigBindingModel config)
+		{
+			_mailLogin = config.MailLogin;
+			_mailPassword = config.MailPassword;
+			_smtpClientHost = config.SmtpClientHost;
+			_smtpClientPort = config.SmtpClientPort;
+			_popHost = config.PopHost;
+			_popPort = config.PopPort;
+			_logger.LogDebug("Config: {login}, {password}, {clientHost}, {clientPort}, {popHost}, {popPort}",
+				_mailLogin, _mailPassword, _smtpClientHost, _smtpClientPort, _popHost, _popPort);
+		}
+
+		public async void MailSendAsync(MailSendInfoBindingModel info)
+		{
+			if (string.IsNullOrEmpty(_mailLogin) || string.IsNullOrEmpty(_mailPassword))
+			{
+				return;
+			}
+
+			if (string.IsNullOrEmpty(_smtpClientHost) || _smtpClientPort == 0)
+			{
+				return;
+			}
+
+			if (string.IsNullOrEmpty(info.MailAddress) || string.IsNullOrEmpty(info.Subject) || string.IsNullOrEmpty(info.Text))
+			{
+				return;
+			}
+
+			_logger.LogDebug("Send Mail: {To}, {Subject}", info.MailAddress, info.Subject);
+			await SendMailAsync(info);
+		}
+
+		protected abstract Task SendMailAsync(MailSendInfoBindingModel info);
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/MailWorker/MailKitWorker.cs

@@ -0,0 +1,41 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using Microsoft.Extensions.Logging;
+using System.Net;
+using System.Net.Mail;
+using System.Text;
+
+namespace ComputerHardwareStoreBusinessLogic.MailWorker
+{
+	public class MailKitWorker : AbstractMailWorker
+	{
+		public MailKitWorker(ILogger<MailKitWorker> logger) : base(logger) { }
+
+		protected override async Task SendMailAsync(MailSendInfoBindingModel info)
+		{
+			using var objMailMessage = new MailMessage();
+			using var objSmtpClient = new SmtpClient(_smtpClientHost, _smtpClientPort);
+			try
+			{
+				objMailMessage.From = new MailAddress(_mailLogin);
+				objMailMessage.To.Add(new MailAddress(info.MailAddress));
+				objMailMessage.Subject = info.Subject;
+				objMailMessage.Body = info.Text;
+				objMailMessage.SubjectEncoding = Encoding.UTF8;
+				objMailMessage.BodyEncoding = Encoding.UTF8;
+				MemoryStream ms = new(info.File);
+				objMailMessage.Attachments.Add(new Attachment(ms, "report.pdf", "application/pdf"));
+
+				objSmtpClient.UseDefaultCredentials = false;
+				objSmtpClient.EnableSsl = true;
+				objSmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
+				objSmtpClient.Credentials = new NetworkCredential(_mailLogin, _mailPassword);
+
+				await Task.Run(() => objSmtpClient.Send(objMailMessage));
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/AbstractSaveToExcel.cs

@@ -0,0 +1,112 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage
+{
+	public abstract class AbstractSaveToExcel
+	{
+		public void CreateReportProduct(ExcelInfo info)
+		{
+			CreateExcel(info);
+			InsertCellInWorksheet(new ExcelCellParameters
+			{
+				ColumnName = "A",
+				RowIndex = 1,
+				Text = info.Title,
+				StyleInfo = ExcelStyleInfoType.Title
+			});
+			MergeCells(new ExcelMergeParameters
+			{
+				CellFromName = "A1",
+				CellToName = "C1"
+			});
+			uint rowIndex = 2;
+			foreach (var pb in info.ProductBuilds)
+			{
+				InsertCellInWorksheet(new ExcelCellParameters
+				{
+					ColumnName = "A",
+					RowIndex = rowIndex,
+					Text = pb.ProductName,
+					StyleInfo = ExcelStyleInfoType.Text
+				});
+				rowIndex++;
+				foreach (var Build in pb.Builds)
+				{
+					InsertCellInWorksheet(new ExcelCellParameters
+					{
+						ColumnName = "B",
+						RowIndex = rowIndex,
+						Text = Build.Item1,
+						StyleInfo =
+					ExcelStyleInfoType.TextWithBroder
+					});
+					InsertCellInWorksheet(new ExcelCellParameters
+					{
+						ColumnName = "C",
+						RowIndex = rowIndex,
+						Text = Build.Item2.ToString(),
+						StyleInfo =
+					ExcelStyleInfoType.TextWithBroder
+					});
+					rowIndex++;
+				}
+				rowIndex++;
+			}
+			SaveExcel(info);
+		}
+		public void CreateReportBuild(ExcelInfo info)
+		{
+			CreateExcel(info);
+			InsertCellInWorksheet(new ExcelCellParameters
+			{
+				ColumnName = "A",
+				RowIndex = 1,
+				Text = info.Title,
+				StyleInfo = ExcelStyleInfoType.Title
+			});
+			MergeCells(new ExcelMergeParameters
+			{
+				CellFromName = "A1",
+				CellToName = "C1"
+			});
+			uint rowIndex = 2;
+			foreach (var bp in info.BuildProducts)
+			{
+				InsertCellInWorksheet(new ExcelCellParameters
+				{
+					ColumnName = "A",
+					RowIndex = rowIndex,
+					Text = bp.BuildName,
+					StyleInfo = ExcelStyleInfoType.Text
+				});
+				rowIndex++;
+				foreach (var Product in bp.Products)
+				{
+					InsertCellInWorksheet(new ExcelCellParameters
+					{
+						ColumnName = "B",
+						RowIndex = rowIndex,
+						Text = Product.Item1,
+						StyleInfo = ExcelStyleInfoType.TextWithBroder
+					});
+					InsertCellInWorksheet(new ExcelCellParameters
+					{
+						ColumnName = "C",
+						RowIndex = rowIndex,
+						Text = Product.Item2.ToString(),
+						StyleInfo = ExcelStyleInfoType.TextWithBroder
+					});
+					rowIndex++;
+				}
+				rowIndex++;
+			}
+			SaveExcel(info);
+		}
+		protected abstract void CreateExcel(ExcelInfo info);
+		protected abstract void InsertCellInWorksheet(ExcelCellParameters excelParams);
+		protected abstract void MergeCells(ExcelMergeParameters excelParams);
+		protected abstract void SaveExcel(ExcelInfo info);
+
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/AbstractSaveToWord.cs

@@ -0,0 +1,125 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage
+{
+	public abstract class AbstractSaveToWord
+	{
+		public void CreateProductBuildReport(WordInfo info)
+		{
+			CreateWord(info);
+
+			CreateParagraph(new WordParagraph
+			{
+				Texts = new List<(string, WordTextProperties)> { (info.Title, new WordTextProperties { Bold = true, Size = "24" }) },
+				TextProperties = new WordTextProperties
+				{
+					Size = "24",
+					JustificationType = WordJustificationType.Center
+				}
+			});
+
+			List<WordRow> rows = new List<WordRow>();
+			rows.Add(new WordRow
+			{
+				Rows = new List<(string, WordTextProperties)> {
+						("Сборки", new WordTextProperties { Size = "24", Bold = true }),
+						("Товары", new WordTextProperties { Size = "24", Bold = true }),
+						("Стоимость", new WordTextProperties { Size = "24", Bold = true })
+				}
+			});
+
+			var reportRecords = info.ProductBuilds;
+			foreach (var reportRecord in reportRecords)
+			{
+				rows.Add(new WordRow
+				{
+					Rows = new List<(string, WordTextProperties)>
+					{
+						(reportRecord.ProductName, new WordTextProperties { Size = "24" }),
+						("", new WordTextProperties { }),
+						("", new WordTextProperties { })
+					}
+				});
+				for (int i = 0; i < reportRecord.Builds.Count; i++)
+				{
+					rows.Add(new WordRow
+					{
+						Rows = new List<(string, WordTextProperties)>
+						{
+							("", new WordTextProperties { }),
+							(reportRecord.Builds[i].Build, new WordTextProperties { Size = "24" }),
+							(reportRecord.Builds[i].Price.ToString(), new WordTextProperties { Size = "24" })
+						}
+					});
+				}
+			}
+
+			CreateTable(rows);
+
+			SaveWord(info);
+		}
+
+		public void CreateBuildProductReport(WordInfo info)
+		{
+			CreateWord(info);
+
+			CreateParagraph(new WordParagraph
+			{
+				Texts = new List<(string, WordTextProperties)> { (info.Title, new WordTextProperties { Bold = true, Size = "24" }) },
+				TextProperties = new WordTextProperties
+				{
+					Size = "24",
+					JustificationType = WordJustificationType.Center
+				}
+			});
+
+			List<WordRow> rows = new List<WordRow>();
+			rows.Add(new WordRow
+			{
+				Rows = new List<(string, WordTextProperties)> {
+						("Товары", new WordTextProperties { Size = "24", Bold = true }),
+						("Сборки", new WordTextProperties { Size = "24", Bold = true }),
+						("Стоимость", new WordTextProperties { Size = "24", Bold = true })
+				}
+			});
+
+			var reportRecords = info.BuildProducts;
+			foreach (var reportRecord in reportRecords)
+			{
+				rows.Add(new WordRow
+				{
+					Rows = new List<(string, WordTextProperties)>
+					{
+						(reportRecord.BuildName, new WordTextProperties { Size = "24" }),
+						("", new WordTextProperties { }),
+						("", new WordTextProperties { })
+					}
+				});
+				for (int i = 0; i < reportRecord.Products.Count; i++)
+				{
+					rows.Add(new WordRow
+					{
+						Rows = new List<(string, WordTextProperties)>
+						{
+							("", new WordTextProperties { }),
+							(reportRecord.Products[i].Product, new WordTextProperties { Size = "24" }),
+							(reportRecord.Products[i].Price.ToString(), new WordTextProperties { Size = "24" })
+						}
+					});
+				}
+			}
+
+			CreateTable(rows);
+
+			SaveWord(info);
+		}
+		protected abstract void CreateWord(WordInfo info);
+
+		protected abstract void CreateTable(List<WordRow> rows);
+
+		protected abstract void CreateParagraph(WordParagraph paragraph);
+
+		protected abstract void SaveWord(WordInfo info);
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperEnums/ExcelStyleInfoType.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums
+{
+	public enum ExcelStyleInfoType
+	{
+		Title,
+		Text,
+		TextWithBroder
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperEnums/WordJustificationType.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums
+{
+	public enum WordJustificationType
+	{
+		Center,
+		Both
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/ExcelCellParameters.cs

@@ -0,0 +1,13 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class ExcelCellParameters
+	{
+		public string ColumnName { get; set; } = string.Empty;
+		public uint RowIndex { get; set; }
+		public string Text { get; set; } = string.Empty;
+		public string CellReference => $"{ColumnName}{RowIndex}";
+		public ExcelStyleInfoType StyleInfo { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/ExcelInfo.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class ExcelInfo
+	{
+		public string FileName { get; set; } = string.Empty;
+		public string Title { get; set; } = string.Empty;
+		public List<ReportBuildProductViewModel> BuildProducts { get; set; } = new();
+		public List<ReportProductBuildViewModel> ProductBuilds {get; set; } = new();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/ExcelMergeParameters.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class ExcelMergeParameters
+	{
+		public string CellFromName { get; set; } = string.Empty;
+		public string CellToName { get; set; } = string.Empty;
+		public string Merge => $"{CellFromName}:{CellToName}";
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/WordInfo.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class WordInfo
+	{
+		public string FileName { get; set; } = string.Empty;
+		public string Title { get; set; } = string.Empty;
+		public List<ReportBuildProductViewModel> BuildProducts { get; set; } = new();
+		public List<ReportProductBuildViewModel> ProductBuilds { get; set; } = new();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/WordParagraph.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class WordParagraph
+	{
+		public List<(string, WordTextProperties)> Texts { get; set; } = new();
+		public WordTextProperties? TextProperties { get; set; }
+
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/WordRow.cs

@@ -0,0 +1,7 @@
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class WordRow
+	{
+		public List<(string, WordTextProperties)> Rows { get; set; } = new();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/HelperModels/WordTextProperties.cs

@@ -0,0 +1,11 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels
+{
+	public class WordTextProperties
+	{
+		public string Size { get; set; } = string.Empty;
+		public bool Bold { get; set; }
+		public WordJustificationType JustificationType { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/Implements/SaveToExcel.cs

@@ -0,0 +1,329 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels;
+using DocumentFormat.OpenXml;
+using DocumentFormat.OpenXml.Office2010.Excel;
+using DocumentFormat.OpenXml.Office2013.Excel;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Spreadsheet;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.Implements
+{
+	public class SaveToExcel : AbstractSaveToExcel
+	{
+		private SpreadsheetDocument? _spreadsheetDocument;
+		private SharedStringTablePart? _shareStringPart;
+		private Worksheet? _worksheet;
+
+		private static void CreateStyles(WorkbookPart workbookpart)
+		{
+			var sp = workbookpart.AddNewPart<WorkbookStylesPart>();
+			sp.Stylesheet = new Stylesheet();
+
+			var fonts = new Fonts() { Count = 2U, KnownFonts = true };
+
+			var fontUsual = new Font();
+			fontUsual.Append(new FontSize() { Val = 12D });
+			fontUsual.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Theme = 1U });
+			fontUsual.Append(new FontName() { Val = "Times New Roman" });
+			fontUsual.Append(new FontFamilyNumbering() { Val = 2 });
+			fontUsual.Append(new FontScheme() { Val = FontSchemeValues.Minor });
+
+			var fontTitle = new Font();
+			fontTitle.Append(new Bold());
+			fontTitle.Append(new FontSize() { Val = 14D });
+			fontTitle.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Theme = 1U });
+			fontTitle.Append(new FontName() { Val = "Times New Roman" });
+			fontTitle.Append(new FontFamilyNumbering() { Val = 2 });
+			fontTitle.Append(new FontScheme() { Val = FontSchemeValues.Minor });
+
+			fonts.Append(fontUsual);
+			fonts.Append(fontTitle);
+
+			var fills = new Fills() { Count = 2U };
+			var fill1 = new Fill();
+			fill1.Append(new PatternFill() { PatternType = PatternValues.None });
+			var fill2 = new Fill();
+			fill2.Append(new PatternFill()
+			{
+				PatternType = PatternValues.Gray125
+			});
+			fills.Append(fill1);
+			fills.Append(fill2);
+
+			var borders = new Borders() { Count = 2U };
+			var borderNoBorder = new Border();
+			borderNoBorder.Append(new LeftBorder());
+			borderNoBorder.Append(new RightBorder());
+			borderNoBorder.Append(new TopBorder());
+			borderNoBorder.Append(new BottomBorder());
+			borderNoBorder.Append(new DiagonalBorder());
+			var borderThin = new Border();
+			var leftBorder = new LeftBorder() { Style = BorderStyleValues.Thin };
+			leftBorder.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Indexed = 64U });
+			var rightBorder = new RightBorder()
+			{
+				Style = BorderStyleValues.Thin
+			};
+			rightBorder.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Indexed = 64U });
+			var topBorder = new TopBorder() { Style = BorderStyleValues.Thin };
+			topBorder.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Indexed = 64U });
+			var bottomBorder = new BottomBorder()
+			{
+				Style = BorderStyleValues.Thin
+			};
+			bottomBorder.Append(new DocumentFormat.OpenXml.Office2010.Excel.Color()
+			{ Indexed = 64U });
+			borderThin.Append(leftBorder);
+			borderThin.Append(rightBorder);
+			borderThin.Append(topBorder);
+			borderThin.Append(bottomBorder);
+			borderThin.Append(new DiagonalBorder());
+			borders.Append(borderNoBorder);
+			borders.Append(borderThin);
+
+			var cellStyleFormats = new CellStyleFormats() { Count = 1U };
+			var cellFormatStyle = new CellFormat()
+			{
+				NumberFormatId = 0U,
+				FontId = 0U,
+				FillId = 0U,
+				BorderId = 0U
+			};
+			cellStyleFormats.Append(cellFormatStyle);
+			var cellFormats = new CellFormats() { Count = 3U };
+			var cellFormatFont = new CellFormat()
+			{
+				NumberFormatId = 0U,
+				FontId = 0U,
+				FillId = 0U,
+				BorderId = 0U,
+				FormatId = 0U,
+				ApplyFont = true
+			};
+			var cellFormatFontAndBorder = new CellFormat()
+			{
+				NumberFormatId = 0U,
+				FontId = 0U,
+				FillId = 0U,
+				BorderId = 1U,
+				FormatId = 0U,
+				ApplyFont = true,
+				ApplyBorder = true
+			};
+			var cellFormatTitle = new CellFormat()
+			{
+				NumberFormatId = 0U,
+				FontId = 1U,
+				FillId = 0U,
+				BorderId = 0U,
+				FormatId = 0U,
+				Alignment = new Alignment()
+				{
+					Vertical = VerticalAlignmentValues.Center,
+					WrapText = true,
+					Horizontal = HorizontalAlignmentValues.Center
+				},
+				ApplyFont = true
+			};
+			cellFormats.Append(cellFormatFont);
+			cellFormats.Append(cellFormatFontAndBorder);
+			cellFormats.Append(cellFormatTitle);
+			var cellStyles = new CellStyles() { Count = 1U };
+			cellStyles.Append(new CellStyle()
+			{
+				Name = "Normal",
+				FormatId = 0U,
+				BuiltinId = 0U
+			});
+
+			var differentialFormats = new DocumentFormat.OpenXml.Office2013.Excel.DifferentialFormats()
+			{ Count = 0U };
+
+			var tableStyles = new TableStyles()
+			{
+				Count = 0U,
+				DefaultTableStyle = "TableStyleMedium2",
+				DefaultPivotStyle = "PivotStyleLight16"
+			};
+			var stylesheetExtensionList = new StylesheetExtensionList();
+			var stylesheetExtension1 = new StylesheetExtension()
+			{
+				Uri = "{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}"
+			};
+			stylesheetExtension1.AddNamespaceDeclaration("x14", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main");
+			stylesheetExtension1.Append(new SlicerStyles()
+			{
+				DefaultSlicerStyle = "SlicerStyleLight1"
+			});
+			var stylesheetExtension2 = new StylesheetExtension()
+			{
+				Uri = "{9260A510-F301-46a8-8635-F512D64BE5F5}"
+			};
+			stylesheetExtension2.AddNamespaceDeclaration("x15", "http://schemas.microsoft.com/office/spreadsheetml/2010/11/main");
+			stylesheetExtension2.Append(new TimelineStyles()
+			{
+				DefaultTimelineStyle = "TimeSlicerStyleLight1"
+			});
+			stylesheetExtensionList.Append(stylesheetExtension1);
+			stylesheetExtensionList.Append(stylesheetExtension2);
+			sp.Stylesheet.Append(fonts);
+			sp.Stylesheet.Append(fills);
+			sp.Stylesheet.Append(borders);
+			sp.Stylesheet.Append(cellStyleFormats);
+			sp.Stylesheet.Append(cellFormats);
+			sp.Stylesheet.Append(cellStyles);
+			sp.Stylesheet.Append(differentialFormats);
+			sp.Stylesheet.Append(tableStyles);
+			sp.Stylesheet.Append(stylesheetExtensionList);
+		}
+		/// <summary>
+		/// Получение номера стиля из типа
+		/// </summary>
+		/// <param name="styleInfo"></param>
+		/// <returns></returns>
+		private static uint GetStyleValue(ExcelStyleInfoType styleInfo)
+		{
+			return styleInfo switch
+			{
+				ExcelStyleInfoType.Title => 2U,
+				ExcelStyleInfoType.TextWithBroder => 1U,
+				ExcelStyleInfoType.Text => 0U,
+				_ => 0U,
+			};
+		}
+		protected override void CreateExcel(ExcelInfo info)
+		{
+			_spreadsheetDocument = SpreadsheetDocument.Create(info.FileName, SpreadsheetDocumentType.Workbook);
+			// Создаем книгу (в ней хранятся листы)
+			var workbookpart = _spreadsheetDocument.AddWorkbookPart();
+			workbookpart.Workbook = new Workbook();
+			CreateStyles(workbookpart);
+			// Получаем/создаем хранилище текстов для книги
+			_shareStringPart = _spreadsheetDocument.WorkbookPart!.GetPartsOfType<SharedStringTablePart>().Any()
+			?
+		   _spreadsheetDocument.WorkbookPart.GetPartsOfType<SharedStringTablePart>().First()
+			:
+		   _spreadsheetDocument.WorkbookPart.AddNewPart<SharedStringTablePart>();
+			// Создаем SharedStringTable, если его нет
+			if (_shareStringPart.SharedStringTable == null)
+			{
+				_shareStringPart.SharedStringTable = new SharedStringTable();
+			}
+			// Создаем лист в книгу
+			var worksheetPart = workbookpart.AddNewPart<WorksheetPart>();
+			worksheetPart.Worksheet = new Worksheet(new SheetData());
+			// Добавляем лист в книгу
+			var sheets =
+		   _spreadsheetDocument.WorkbookPart.Workbook.AppendChild(new Sheets());
+			var sheet = new Sheet()
+			{
+				Id = _spreadsheetDocument.WorkbookPart.GetIdOfPart(worksheetPart),
+				SheetId = 1,
+				Name = "Лист"
+			};
+			sheets.Append(sheet);
+			_worksheet = worksheetPart.Worksheet;
+		}
+		protected override void InsertCellInWorksheet(ExcelCellParameters excelParams)
+		{
+			if (_worksheet == null || _shareStringPart == null)
+			{
+				return;
+			}
+			var sheetData = _worksheet.GetFirstChild<SheetData>();
+			if (sheetData == null)
+			{
+				return;
+			}
+			// Ищем строку, либо добавляем ее
+			Row row;
+			if (sheetData.Elements<Row>().Where(r => r.RowIndex! == excelParams.RowIndex).Any())
+			{
+				row = sheetData.Elements<Row>().Where(r => r.RowIndex! == excelParams.RowIndex).First();
+			}
+			else
+			{
+				row = new Row() { RowIndex = excelParams.RowIndex };
+				sheetData.Append(row);
+			}
+			// Ищем нужную ячейку
+			Cell cell;
+			if (row.Elements<Cell>().Where(c => c.CellReference!.Value == excelParams.CellReference).Any())
+			{
+				cell = row.Elements<Cell>().Where(c => c.CellReference!.Value == excelParams.CellReference).First();
+			}
+			else
+			{
+				// Все ячейки должны быть последовательно друг за другом расположены
+				// нужно определить, после какой вставлять
+				Cell? refCell = null;
+				foreach (Cell rowCell in row.Elements<Cell>())
+				{
+					if (string.Compare(rowCell.CellReference!.Value, excelParams.CellReference, true) > 0)
+					{
+						refCell = rowCell;
+						break;
+					}
+				}
+				var newCell = new Cell()
+				{
+					CellReference =
+			   excelParams.CellReference
+				};
+				row.InsertBefore(newCell, refCell);
+				cell = newCell;
+			}
+			// вставляем новый текст
+			_shareStringPart.SharedStringTable.AppendChild(new SharedStringItem(new Text(excelParams.Text)));
+			_shareStringPart.SharedStringTable.Save();
+			cell.CellValue = new CellValue((_shareStringPart.SharedStringTable.Elements<SharedStringItem>().Count() - 1).ToString());
+			cell.DataType = new EnumValue<CellValues>(CellValues.SharedString);
+			cell.StyleIndex = GetStyleValue(excelParams.StyleInfo);
+		}
+		protected override void MergeCells(ExcelMergeParameters excelParams)
+		{
+			if (_worksheet == null)
+			{
+				return;
+			}
+			MergeCells mergeCells;
+			if (_worksheet.Elements<MergeCells>().Any())
+			{
+				mergeCells = _worksheet.Elements<MergeCells>().First();
+			}
+			else
+			{
+				mergeCells = new MergeCells();
+				if (_worksheet.Elements<CustomSheetView>().Any())
+				{
+					_worksheet.InsertAfter(mergeCells,
+				   _worksheet.Elements<CustomSheetView>().First());
+				}
+				else
+				{
+					_worksheet.InsertAfter(mergeCells,
+				   _worksheet.Elements<SheetData>().First());
+				}
+			}
+			var mergeCell = new MergeCell()
+			{
+				Reference = new StringValue(excelParams.Merge)
+			};
+			mergeCells.Append(mergeCell);
+		}
+		protected override void SaveExcel(ExcelInfo info)
+		{
+			if (_spreadsheetDocument == null)
+			{
+				return;
+			}
+			_spreadsheetDocument.WorkbookPart!.Workbook.Save();
+			_spreadsheetDocument.Close();
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/OfficePackage/Implements/SaveToWord.cs

@@ -0,0 +1,175 @@
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperEnums;
+using ComputerHardwareStoreBusinessLogic.OfficePackage.HelperModels;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Wordprocessing;
+using DocumentFormat.OpenXml;
+
+namespace ComputerHardwareStoreBusinessLogic.OfficePackage.Implements
+{
+	public class SaveToWord : AbstractSaveToWord
+	{
+		private WordprocessingDocument? _wordDocument;
+
+		private Body? _docBody;
+
+		private static JustificationValues GetJustificationValues(WordJustificationType type)
+		{
+			return type switch
+			{
+				WordJustificationType.Both => JustificationValues.Both,
+				WordJustificationType.Center => JustificationValues.Center,
+				_ => JustificationValues.Left,
+			};
+		}
+
+		private static SectionProperties CreateSectionProperties()
+		{
+			var properties = new SectionProperties();
+
+			var pageSize = new PageSize
+			{
+				Orient = PageOrientationValues.Portrait
+			};
+
+			properties.AppendChild(pageSize);
+
+			return properties;
+		}
+
+		private static ParagraphProperties? CreateParagraphProperties(WordTextProperties? paragraphProperties)
+		{
+			if (paragraphProperties == null)
+			{
+				return null;
+			}
+
+			var properties = new ParagraphProperties();
+
+			properties.AppendChild(new Justification()
+			{
+				Val = GetJustificationValues(paragraphProperties.JustificationType)
+			});
+
+			properties.AppendChild(new SpacingBetweenLines
+			{
+				LineRule = LineSpacingRuleValues.Auto
+			});
+
+			properties.AppendChild(new Indentation());
+
+			var paragraphMarkRunProperties = new ParagraphMarkRunProperties();
+			if (!string.IsNullOrEmpty(paragraphProperties.Size))
+			{
+				paragraphMarkRunProperties.AppendChild(new FontSize { Val = paragraphProperties.Size });
+			}
+			properties.AppendChild(paragraphMarkRunProperties);
+
+			return properties;
+		}
+
+		protected override void CreateWord(WordInfo info)
+		{
+			_wordDocument = WordprocessingDocument.Create(info.FileName, WordprocessingDocumentType.Document);
+			MainDocumentPart mainPart = _wordDocument.AddMainDocumentPart();
+			mainPart.Document = new Document();
+			_docBody = mainPart.Document.AppendChild(new Body());
+		}
+
+		protected override void CreateTable(List<WordRow> data)
+		{
+			if (_docBody == null || data == null)
+			{
+				return;
+			}
+			Table table = new Table();
+			var tableProp = new TableProperties();
+			tableProp.AppendChild(new TableLayout { Type = TableLayoutValues.Fixed });
+			tableProp.AppendChild(new TableBorders(
+					new TopBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 },
+					new LeftBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 },
+					new RightBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 },
+					new BottomBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 },
+					new InsideHorizontalBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 },
+					new InsideVerticalBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 4 }
+					));
+			tableProp.AppendChild(new TableWidth { Type = TableWidthUnitValues.Auto });
+			table.AppendChild(tableProp);
+			TableGrid tableGrid = new TableGrid();
+			for (int j = 0; j < data[0].Rows.Count; ++j)
+			{
+				tableGrid.AppendChild(new GridColumn() { Width = "1600" });
+			}
+			table.AppendChild(tableGrid);
+			for (int i = 0; i < data.Count; ++i)
+			{
+				TableRow docRow = new TableRow();
+				for (int j = 0; j < data[i].Rows.Count; ++j)
+				{
+					var docParagraph = new Paragraph();
+					var docRun = new Run();
+					var runProperties = new RunProperties();
+
+					docParagraph.AppendChild(CreateParagraphProperties(data[i].Rows[j].Item2));
+
+					runProperties.AppendChild(new RunFonts() { Ascii = "Times New Roman", ComplexScript = "Times New Roman", HighAnsi = "Times New Roman" });
+					runProperties.AppendChild(new FontSize { Val = data[i].Rows[j].Item2.Size == null ? data[i].Rows[j].Item2.Size : "24" });
+					if (data[i].Rows[j].Item2.Bold)
+						runProperties.AppendChild(new Bold());
+
+					docRun.AppendChild(runProperties);
+					docRun.AppendChild(new Text { Text = data[i].Rows[j].Item1.ToString(), Space = SpaceProcessingModeValues.Preserve });
+
+					docParagraph.AppendChild(docRun);
+					TableCell docCell = new TableCell();
+					docCell.AppendChild(docParagraph);
+					docRow.AppendChild(docCell);
+				}
+				table.AppendChild(docRow);
+			}
+			_docBody.AppendChild(table);
+		}
+
+		protected override void CreateParagraph(WordParagraph paragraph)
+		{
+			if (_docBody == null || paragraph == null)
+			{
+				return;
+			}
+			var docParagraph = new Paragraph();
+
+			docParagraph.AppendChild(CreateParagraphProperties(paragraph.TextProperties));
+
+			foreach (var run in paragraph.Texts)
+			{
+				var docRun = new Run();
+
+				var properties = new RunProperties();
+				properties.AppendChild(new FontSize { Val = run.Item2.Size });
+				if (run.Item2.Bold)
+				{
+					properties.AppendChild(new Bold());
+				}
+				docRun.AppendChild(properties);
+
+				docRun.AppendChild(new Text { Text = run.Item1, Space = SpaceProcessingModeValues.Preserve });
+
+				docParagraph.AppendChild(docRun);
+			}
+
+			_docBody.AppendChild(docParagraph);
+		}
+
+		protected override void SaveWord(WordInfo info)
+		{
+			if (_docBody == null || _wordDocument == null)
+			{
+				return;
+			}
+			_docBody.AppendChild(CreateSectionProperties());
+
+			_wordDocument.MainDocumentPart!.Document.Save();
+
+			_wordDocument.Close();
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/BuildBindingModel.cs

@@ -7,7 +7,8 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int Id { get; set; }
         public string Name { get; set; } = string.Empty;
         public double Price { get; set; }
-        public int VendorId { get; set; }
+        public IVendorModel Vendor { get; set; }
         public Dictionary<int, (IComponentModel, int)> BuildComponents { get; set; } = new();
+        public List<ICommentModel> Comments { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ComponentBindingModel.cs

@@ -7,6 +7,6 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int Id { get; set; }
         public string Name { get; set; } = string.Empty;
         public double Cost { get; set; }
-        public int StoreKeeperId { get; set; }
+        public IStoreKeeperModel StoreKeeper { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/MailConfigBindingModel.cs

@@ -0,0 +1,17 @@
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+	public class MailConfigBindingModel
+	{
+		public string MailLogin { get; set; } = string.Empty;
+
+		public string MailPassword { get; set; } = string.Empty;
+		// адрес отправки
+		public string SmtpClientHost { get; set; } = string.Empty;
+
+		public int SmtpClientPort { get; set; }
+		// адрес получения
+		public string PopHost { get; set; } = string.Empty;
+
+		public int PopPort { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/MailSendInfoBindingModel.cs

@@ -0,0 +1,13 @@
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+	public class MailSendInfoBindingModel
+	{
+		public string MailAddress { get; set; } = string.Empty;
+
+		public string Subject { get; set; } = string.Empty;
+
+		public string Text { get; set; } = string.Empty;
+
+		public byte[] File { get; set; } = Array.Empty<byte>();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/MessageInfoBindingModel.cs

@@ -0,0 +1,14 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareContracts.BindingModels
+{
+    public class MessageInfoBindingModel : IMessageInfoModel
+    {
+        public string MessageId { get; set; } = string.Empty;
+        public int? ClientId { get; set; }
+        public string SenderName { get; set; } = string.Empty;
+        public string Subject { get; set; } = string.Empty;
+        public string Body { get; set; } = string.Empty;
+        public DateTime DateDelivery { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/OrderBindingModel.cs

@@ -10,6 +10,6 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
         public DateTime DateCreate { get; set; } = DateTime.Now;
         public DateTime? DateImplement { get; set; } = null;
-        public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
+        public Dictionary<int, (IProductModel, int)> OrderProducts { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ProductBindingModel.cs

@@ -8,5 +8,6 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public string Name { get; set; } = string.Empty;
         public double Price { get; set; }
         public Dictionary<int, (IComponentModel, int)> ProductComponents { get; set; } = new();
+        public IStoreKeeperModel StoreKeeper { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/PurchaseBindingModel.cs

@@ -8,7 +8,8 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int VendorId { get; set; }
         public double Cost { get; set; }
         public DateTime DateCreate { get; set; }
-        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; set; } = new();
+        public DateTime? DateImplement { get; set; }
-        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; set; } = new();
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuilds { get; set; } = new();
+        public Dictionary<int, (IProductModel, int)> PurchaseProducts { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ReportBindingModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+	public class ReportBindingModel
+	{
+		public string FileName { get; set; } = string.Empty;
+		public DateTime? DateFrom { get; set; }
+		public DateTime? DateTo { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IBuildLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface IBuildLogic
+    {
+        List<BuildViewModel>? ReadList(BuildSearchModel? model);
+        BuildViewModel? ReadElement(BuildSearchModel model);
+        bool Create(BuildBindingModel model);
+        bool Update(BuildBindingModel model);
+        bool Delete(BuildBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/ICommentLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface ICommentLogic
+    {
+        List<CommentViewModel>? ReadList(CommentSearchModel? model);
+        CommentViewModel? ReadElement(CommentSearchModel model);
+        bool Create(CommentBindingModel model);
+        bool Update(CommentBindingModel model);
+        bool Delete(CommentBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IMessageInfoLogic.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+	public interface IMessageInfoLogic
+	{
+		List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model);
+		bool Create(MessageInfoBindingModel model);
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IPurchaseLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface IPurchaseLogic
+    {
+        List<PurchaseViewModel>? ReadList(PurchaseSearchModel? model);
+        PurchaseViewModel? ReadElement(PurchaseSearchModel model);
+        bool Create(PurchaseBindingModel model);
+        bool Update(PurchaseBindingModel model);
+        bool Delete(PurchaseBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IReportLogic.cs

@@ -0,0 +1,41 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+	public interface IReportLogic
+	{
+		/// <summary>
+		/// Получение списка товаров по сборкам
+		/// </summary>
+		/// <returns></returns>
+		List<ReportProductBuildViewModel> GetProductBuild();
+		/// <summary>
+		/// Получение списка сборок по товарам
+		/// </summary>
+		/// <returns></returns>
+		List<ReportBuildProductViewModel> GetBuildProduct();
+		/// <summary>
+		/// Получение списка покупок за период с комплектующими и комментариями
+		/// </summary>
+		/// <param name="model"></param>
+		/// <returns></returns>
+		//List<ReportOrdersViewModel> GetOrders(ReportBindingModel model);
+		/// <summary>
+		/// Получение списка комплектующих с покупками и заказами за период
+		/// </summary>
+		/// <param name="model"></param>
+		/// <returns></returns>
+		//List<ReportOrdersViewModel> GetOrders(ReportBindingModel model);
+		/// <summary>
+		/// Сохранение списка в файл-Word
+		/// </summary>
+		/// <param name="model"></param>
+		void SaveListToWordFile(ReportBindingModel model);
+		/// <summary>
+		/// Сохранение списка в файл-Excel
+		/// </summary>
+		/// <param name="model"></param>
+		void SaveListToExcelFile(ReportBindingModel model);
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ComputerHardwareStoreContracts.csproj

@@ -7,11 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Remove="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
+    <PackageReference Include="MailKit" Version="4.0.0" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <None Include="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
   </ItemGroup>
 
   <ItemGroup>

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/BuildSearchModel.cs

@@ -3,6 +3,8 @@
     public class BuildSearchModel
     {
         public int? Id { get; set; }
+        public int VendorId { get; set; }
+        public int? ProductId { get; set; }
         public string? Name { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs

@@ -3,6 +3,5 @@
     public class CommentSearchModel
     {
         public int? Id { get; set; }
-        public DateTime? Date { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ComponentSearchModel.cs

@@ -4,5 +4,6 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
+        public int? StoreKeeperId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/MessageInfoSearchModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+	public class MessageInfoSearchModel
+	{
+		public int? ClientId { get; set; }
+		public string? MessageId { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs

@@ -4,5 +4,7 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
+        public int StoreKeeperId { get; set; }
+        public int? BuildId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/PurchaseSearchModel.cs

@@ -3,6 +3,7 @@
     public class PurchaseSearchModel
     {
         public int? Id { get; set; }
+        public int? VendorId { get; set; }
         public DateTime? DateFrom { get; set; }
         public DateTime? DateTo { get; set; }
     }

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IMessageInfoStorage.cs

@@ -0,0 +1,14 @@
+using ComputerHardwareContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+	public interface IMessageInfoStorage
+	{
+		List<MessageInfoViewModel> GetFullList();
+		List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model);
+		MessageInfoViewModel? GetElement(MessageInfoSearchModel model);
+		MessageInfoViewModel? Insert(MessageInfoBindingModel model);
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/BuildViewModel.cs

@@ -7,10 +7,11 @@ namespace ComputerHardwareStoreContracts.ViewModels
     {
         public int Id { get; set; }
         [DisplayName("Название сборки")]
-        public string Name { get; } = string.Empty;
+        public string Name { get; set; } = string.Empty;
         [DisplayName("Стоимость")]
-        public double Price { get; }
+        public double Price { get; set; }
-        public int VendorId { get; }
+        public IVendorModel Vendor { get; set; }
-        public Dictionary<int, (IComponentModel, int)> BuildComponents { get; } = new();
+        public Dictionary<int, (IComponentModel, int)> BuildComponents { get; set; } = new();
+        public List<ICommentModel> Comments { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/CommentViewModel.cs

@@ -7,6 +7,5 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public int Id { get; set; }
         public DateTime Date { get; set; }
         public string Text { get; set; } = string.Empty;
-        public int BuildId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ComponentViewModel.cs

@@ -10,6 +10,6 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public string Name { get; set; } = string.Empty;
         [DisplayName("Цена")]
         public double Cost { get; set; }
-        public int StoreKeeperId { get; set; }
+        public IStoreKeeperModel StoreKeeper { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/HelperModels/ComponentSelectionViewModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.ViewModels.HelperModels
+{
+	public class ComponentSelectionViewModel
+	{
+		public int Id { get; set; }
+		public bool IsSelected { get; set; }
+		public int Quantity { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/MessageInfoViewModel.cs

@@ -0,0 +1,24 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+	public class MessageInfoViewModel : IMessageInfoModel
+	{
+		public string MessageId { get; set; } = string.Empty;
+
+		public int? ClientId { get; set; }
+
+		[DisplayName("Отправитель")]
+		public string SenderName { get; set; } = string.Empty;
+
+		[DisplayName("Дата письма")]
+		public DateTime DateDelivery { get; set; }
+
+		[DisplayName("Заголовок")]
+		public string Subject { get; set; } = string.Empty;
+
+		[DisplayName("Текст")]
+		public string Body { get; set; } = string.Empty;
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/OrderViewModel.cs

@@ -16,6 +16,6 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public DateTime DateCreate { get; set; }
         [DisplayName("Дата выполнения")]
         public DateTime? DateImplement { get; set; }
-        public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
+        public Dictionary<int, (IProductModel, int)> OrderProducts { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ProductViewModel.cs

@@ -10,8 +10,7 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public string Name { get; set; } = string.Empty;
         [DisplayName("Цена")]
         public double Price { get; set; }
-        public Dictionary<int, (IComponentModel, int)> CannedComponents { get; set; } = new();
+        public Dictionary<int, (IComponentModel, int)> ProductComponents { get; set; } = new();
-
+        public IStoreKeeperModel StoreKeeper { get; set; }
-        public Dictionary<int, (IComponentModel, int)> ProductComponents => throw new NotImplementedException();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/PurchaseViewModel.cs

@@ -10,11 +10,12 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public double Cost { get; set; }
         [DisplayName("Дата создания")]
         public DateTime DateCreate { get; set; }
+        public DateTime? DateImplement { get; set; }
         public int VendorId { get; set; }
         [DisplayName("Сумма")]
         public double Sum { get; set; }
-        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; set; } = new();
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuilds { get; set; } = new();
 
-        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; set; } = new();
+        public Dictionary<int, (IProductModel, int)> PurchaseProducts { get; set; } = new(); 
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ReportBuildProductViewModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+	public class ReportBuildProductViewModel
+	{
+		public string BuildName { get; set; } = string.Empty;
+		public List<(string Product, int Price)> Products { get; set; } = new();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ReportProductBuildViewModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+	public class ReportProductBuildViewModel
+	{
+		public string ProductName { get; set;} = string.Empty;
+		public List<(string Build, int Price)> Builds { get; set; } = new();
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ReportPurchaseViewModel.cs

@@ -0,0 +1,13 @@
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+	public class ReportPurchaseViewModel
+	{
+		public int Id { get; set; }
+
+		public List<(string Build, int count, List<(string Component, int count)>)> Builds { get; set; } = new();
+
+		public int TotalCount { get; set; }
+
+		public double TotalCost { get; set; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IBuildModel.cs

@@ -4,7 +4,8 @@
     {
         string Name { get; }
         double Price { get; }
-        int VendorId { get; }
+        IVendorModel Vendor { get; }
         public Dictionary<int, (IComponentModel, int)> BuildComponents { get; }
+        public List<ICommentModel> Comments { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/ICommentModel.cs

@@ -4,6 +4,5 @@
     {
         DateTime Date { get; }
         string Text { get; }
-        int BuildId { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IComponentModel.cs

@@ -4,6 +4,6 @@
     {
         string Name { get; }
         double Cost { get; }
-        int StoreKeeperId { get; }
+        IStoreKeeperModel StoreKeeper { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IMessageInfoModel.cs

@@ -0,0 +1,12 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+	public interface IMessageInfoModel
+	{
+		string MessageId { get; }
+		int? ClientId { get; }
+		string SenderName { get; }
+		DateTime DateDelivery { get; }
+		string Subject { get; }
+		string Body { get; }
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IOrderModel.cs

@@ -8,6 +8,6 @@ namespace ComputerHardwareStoreDataModels.Models
         OrderStatus Status { get; }
         DateTime DateCreate { get; }
         DateTime? DateImplement { get; }
-        public Dictionary<int, (IProductModel, int)> OrderProduct { get; }
+        public Dictionary<int, (IProductModel, int)> OrderProducts { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IProductModel.cs

@@ -4,6 +4,7 @@
     {
         string Name { get; }
         double Price { get; }
+        public IStoreKeeperModel StoreKeeper { get; }
         public Dictionary<int, (IComponentModel, int)> ProductComponents { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IPurchaseModel.cs

@@ -5,7 +5,8 @@
         int VendorId { get; }
         double Cost { get; }
         DateTime DateCreate { get; }
-        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; }
+        DateTime? DateImplement { get; }
-        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; }
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuilds { get; }
+        public Dictionary<int, (IProductModel, int)> PurchaseProducts { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/ComputerHardwareStoreDBContext.cs

@@ -0,0 +1,29 @@
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement
+{
+    public class ComputerHardwareStoreDBContext : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+			//optionsBuilder.UseNpgsql("Host=192.168.1.61:5432;Database=computerhardwarestore;Username=compstore;Password=compstore");
+			optionsBuilder.UseNpgsql("Host=localhost;Port=5432;Database=ComputerHardwareStore;Username=postgres;Password=postgres");
+			AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+		}
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Product> Products { set; get; }
+        public virtual DbSet<ProductComponent> ProductComponents { set; get; }
+
+        public virtual DbSet<StoreKeeper> StoreKeepers { set; get; }
+        public virtual DbSet<Build> Builds { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<OrderProduct> OrderProducts { set; get; }
+        public virtual DbSet<BuildComponent> BuildComponents { set; get; }
+        public virtual DbSet<Comment> Comments { set; get; }
+        public virtual DbSet<Vendor> Vendors { set; get; }
+        public virtual DbSet<Purchase> Purchases { set; get; }
+        public virtual DbSet<PurchaseBuild> PurchaseBuilds { set; get; }
+        public virtual DbSet<PurchaseProduct> PurchaseProducts { set; get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/ComputerHardwareStoreDatabaseImplement.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.4" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj" />
+    <ProjectReference Include="..\ComputerHardwareStoreDataModels\ComputerHardwareStoreDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/BuildStorage.cs

@@ -0,0 +1,125 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class BuildStorage : IBuildStorage
+    {
+        public List<BuildViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Builds
+                .Include(b => b.Comments)
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .Include(b => b.Vendor)
+                .Select(b => b.GetViewModel)
+                .ToList();
+        }
+
+        public List<BuildViewModel> GetFilteredList(BuildSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Builds
+                // только те, что созданы пользователем
+                .Include(b => b.Vendor)
+                .Where(b => b.Vendor.Id == model.VendorId
+                // если есть хотя бы 1 общий компонент с товарами
+                && !model.ProductId.HasValue || b.Components.FirstOrDefault(
+                    c => c.Component.ProductComponents.FirstOrDefault(
+                        p => p.ProductId == model.ProductId)
+                    != null)
+                != null)
+                // вместе с комментами
+                .Include(b => b.Comments)
+                // вместе с компонентами
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .Select(b => b.GetViewModel)
+                .ToList();
+        }
+
+        public BuildViewModel? GetElement(BuildSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Builds
+                .Include(b => b.Vendor)
+                .Where(b => b.Vendor.Id == model.VendorId)
+                .Include(b => b.Comments)
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .FirstOrDefault(b =>
+                (!string.IsNullOrEmpty(model.Name) && b.Name == model.Name) ||
+                (model.Id.HasValue && b.Id == model.Id))?
+                .GetViewModel;
+        }        
+
+        public BuildViewModel? Insert(BuildBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newBuild = Build.Create(context, model);
+            if (newBuild == null)
+            {
+                return null;
+            }
+            context.Builds.Add(newBuild);
+            context.SaveChanges();
+            return context.Builds
+                .Include(b => b.Vendor)
+                .Include(b => b.Comments)
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .FirstOrDefault(p => p.Id == newBuild.Id)?
+                .GetViewModel;
+        }
+
+        public BuildViewModel? Update(BuildBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var build = context.Builds
+                .Include(b => b.Comments)
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .Include(b => b.Vendor)
+                .Where(b => b.Vendor.Id == model.Vendor.Id)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (build == null)
+            {
+                return null;
+            }
+            context.Update(model);
+            context.SaveChanges();
+            return build.GetViewModel;
+        }
+        public BuildViewModel? Delete(BuildBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var build = context.Builds
+                .Include(b => b.Comments)
+                .Include(b => b.Components)
+                .ThenInclude(b => b.Component)
+                .Include(b => b.Vendor)
+                .Where(b => b.Vendor.Id == model.Vendor.Id)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (build == null)
+            {
+                return null;
+            }
+            context.Builds.Remove(build);
+            context.SaveChanges();
+            return build.GetViewModel;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/CommentStorage.cs

@@ -0,0 +1,77 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class CommentStorage : ICommentStorage
+    {
+        public List<CommentViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<CommentViewModel> GetFilteredList(CommentSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public CommentViewModel? GetElement(CommentSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .FirstOrDefault(x => x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public CommentViewModel? Insert(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newComment = Comment.Create(model);
+            if (newComment == null)
+            {
+                return null;
+            }
+            context.Comments.Add(newComment);
+            context.SaveChanges();
+            return newComment.GetViewModel;
+        }
+        public CommentViewModel? Update(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Comments.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+
+        public CommentViewModel? Delete(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Comments.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Comments.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,85 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Components
+                .Select(c => c.GetViewModel)
+                .ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Components
+                .Where(c => c.Name.Contains(model.Name) ||
+                    (c.StoreKeeper.Id == model.StoreKeeperId))
+                .Select(c => c.GetViewModel)
+                .ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Components
+                .FirstOrDefault(c =>
+                (!string.IsNullOrEmpty(model.Name) && c .Name == model.Name) ||
+                (model.Id.HasValue && c.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Components.FirstOrDefault(c => c.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            context.Components.Remove(element);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,108 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .Select(o => o.GetViewModel)
+                .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders 
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .Where(o => 
+                (model.Id.HasValue && o.Id == model.Id) ||
+                ((model.DateFrom.HasValue && model.DateTo.HasValue) && 
+                ((model.DateFrom <= o.DateCreate && o.DateCreate <= model.DateTo) ||
+                (o.DateImplement.HasValue && o.DateCreate < model.DateFrom && model.DateFrom < o.DateImplement)))
+                )
+                .Select(o => o.GetViewModel)
+                .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .FirstOrDefault(o => o.Id == model.Id)?
+                .GetViewModel;
+
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var order = context.Orders
+                    .Include(o => o.Products)
+                    .ThenInclude(o => o.Product)
+                    .FirstOrDefault(o => o.Id == model.Id);
+                if (order == null)
+                {
+                    return null;
+                }
+                order.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return order.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .FirstOrDefault(o => o.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ProductStorage.cs

@@ -0,0 +1,108 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class ProductStorage : IProductStorage
+    {
+        public List<ProductViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name)) 
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Where(p => (p.StoreKeeper.Id == model.StoreKeeperId)
+                    // есть хотя бы 1 общий со сборкой компонент
+                    && (!model.BuildId.HasValue || p.Components.FirstOrDefault
+                        (c => c.Component.BuldComponents.FirstOrDefault(
+                            b => b.BuildId == model.BuildId)
+                        != null)
+                    != null))
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public ProductViewModel? GetElement(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue) 
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p =>
+                (!string.IsNullOrEmpty(model.Name) && p.Name == model.Name) ||
+                (model.Id.HasValue && p.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public ProductViewModel? Insert(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newProduct = Product.Create(context, model);
+            if (newProduct == null)
+            {
+                return null;
+            }
+            context.Products.Add(newProduct);
+            context.SaveChanges();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == newProduct.Id)?
+                .GetViewModel;
+        }
+
+        public ProductViewModel? Update(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var product = context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (product == null)
+            {
+                return null; 
+            }
+            context.Update(model);
+            context.SaveChanges();
+            return product.GetViewModel;
+        }
+
+        public ProductViewModel? Delete(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var product = context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (product == null) 
+            {
+                return null;
+            }
+            context.Products.Remove(product);
+            context.SaveChanges();
+            return product.GetViewModel;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/PurchaseStorage.cs

@@ -0,0 +1,118 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class PurchaseStorage : IPurchaseStorage
+    {
+        public List<PurchaseViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+        
+        public List<PurchaseViewModel> GetFilteredList(PurchaseSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .Where(p =>
+                (model.VendorId.HasValue && model.VendorId == p.VendorId) ||
+                (model.Id.HasValue && p.Id == model.Id) ||
+                ((model.DateFrom.HasValue && model.DateTo.HasValue) &&
+                ((model.DateFrom <= p.DateCreate && p.DateCreate <= model.DateTo) ||
+                (p.DateImplement.HasValue && p.DateCreate < model.DateFrom && model.DateFrom < p.DateImplement)))
+                )
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public PurchaseViewModel? GetElement(PurchaseSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .FirstOrDefault(p => p.Id == model.Id)?
+                .GetViewModel;
+        }
+
+        public PurchaseViewModel? Insert(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newPurchase = Purchase.Create(context, model);
+            if (newPurchase == null)
+            {
+                return null;
+            }
+            context.Purchases.Add(newPurchase);
+            context.SaveChanges();
+            return newPurchase.GetViewModel;
+        }
+
+        public PurchaseViewModel? Update(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var purchase = context.Purchases
+                    .Include(p => p.Builds)
+                    .ThenInclude(p => p.Build)
+                    .Include(p => p.Products)
+                    .ThenInclude(p => p.Product)
+                    .FirstOrDefault(p => p.Id == model.Id);
+                if (purchase == null)
+                {
+                    return null;
+                }
+                purchase.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return purchase.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public PurchaseViewModel? Delete(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .FirstOrDefault(o => o.Id == model.Id);
+            if (element != null)
+            {
+                context.Purchases.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/StoreKeeperStorage.cs

@@ -0,0 +1,86 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class StoreKeeperStorage : IStoreKeeperStorage
+    {
+        public StoreKeeperViewModel? GetElement(StoreKeeperSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Login)
+                && x.Login == model.Login)
+                || (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public List<StoreKeeperViewModel> GetFilteredList(StoreKeeperSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .Where(x => x.Login.Contains(model.Login))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<StoreKeeperViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .Include(x => x.Components)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public StoreKeeperViewModel? Insert(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newStoreKeeper = StoreKeeper.Create(context, model);
+            if (newStoreKeeper == null)
+            {
+                return null;
+            }
+            context.StoreKeepers.Add(newStoreKeeper);
+            context.SaveChanges();
+            return newStoreKeeper.GetViewModel;
+        }
+
+        public StoreKeeperViewModel? Update(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.StoreKeepers.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+        public StoreKeeperViewModel? Delete(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.StoreKeepers.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.StoreKeepers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/VendorStorage.cs

@@ -0,0 +1,84 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class VendorStorage : IVendorStorage
+    {
+        public VendorViewModel? GetElement(VendorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Login)
+                && x.Login == model.Login)
+                || (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public List<VendorViewModel> GetFilteredList(VendorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .Where(x => x.Login.Contains(model.Login))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<VendorViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public VendorViewModel? Insert(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newVendor = Vendor.Create(context, model);
+            if (newVendor == null)
+            {
+                return null;
+            }
+            context.Vendors.Add(newVendor);
+            context.SaveChanges();
+            return newVendor.GetViewModel;
+        }
+
+        public VendorViewModel? Update(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Vendors.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+        public VendorViewModel? Delete(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Vendors.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Vendors.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Migrations/20240528172646_create.Designer.cs

@@ -0,0 +1,566 @@
+// <auto-generated />
+using System;
+using ComputerHardwareStoreDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerHardwareStoreDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerHardwareStoreDBContext))]
+    [Migration("20240528172646_create")]
+    partial class create
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("VendorId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VendorId");
+
+                    b.ToTable("Builds");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.BuildComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("BuildComponents");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Comment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.ToTable("Comments");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("StoreKeeperId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StoreKeeperId");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int?>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.OrderProduct", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("OrderProducts");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int?>("StoreKeeperId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StoreKeeperId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.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("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("VendorId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VendorId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseBuild", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PurchaseId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseBuilds");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseProduct", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PurchaseId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("StoreKeepers");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Vendor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Vendors");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Vendor", "Vendor")
+                        .WithMany("Builds")
+                        .HasForeignKey("VendorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Vendor");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.BuildComponent", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany("Components")
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("BuldComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Comment", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany()
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", "StoreKeeperЗЛ")
+                        .WithMany("Components")
+                        .HasForeignKey("StoreKeeperId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("StoreKeeperЗЛ");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("ProductId");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.OrderProduct", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Products")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", null)
+                        .WithMany("Products")
+                        .HasForeignKey("StoreKeeperId");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Vendor", null)
+                        .WithMany("Purchases")
+                        .HasForeignKey("VendorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseBuild", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany()
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Builds")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseProduct", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("BuldComponents");
+
+                    b.Navigation("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Builds");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Vendor", b =>
+                {
+                    b.Navigation("Builds");
+
+                    b.Navigation("Purchases");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Migrations/20240528172646_create.cs

@@ -0,0 +1,432 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerHardwareStoreDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class create : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "StoreKeepers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Login = table.Column<string>(type: "text", nullable: false),
+                    Password = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_StoreKeepers", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Vendors",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Login = table.Column<string>(type: "text", nullable: false),
+                    Password = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Vendors", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false),
+                    StoreKeeperId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Components_StoreKeepers_StoreKeeperId",
+                        column: x => x.StoreKeeperId,
+                        principalTable: "StoreKeepers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false),
+                    StoreKeeperId = table.Column<int>(type: "integer", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Products_StoreKeepers_StoreKeeperId",
+                        column: x => x.StoreKeeperId,
+                        principalTable: "StoreKeepers",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Builds",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false),
+                    VendorId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Builds", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Builds_Vendors_VendorId",
+                        column: x => x.VendorId,
+                        principalTable: "Vendors",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Purchases",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    VendorId = table.Column<int>(type: "integer", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Purchases", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Purchases_Vendors_VendorId",
+                        column: x => x.VendorId,
+                        principalTable: "Vendors",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    ProductId = table.Column<int>(type: "integer", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProductComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "BuildComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    BuildId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_BuildComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_BuildComponents_Builds_BuildId",
+                        column: x => x.BuildId,
+                        principalTable: "Builds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_BuildComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Comments",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Date = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    Text = table.Column<string>(type: "text", nullable: false),
+                    BuildId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Comments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Comments_Builds_BuildId",
+                        column: x => x.BuildId,
+                        principalTable: "Builds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PurchaseBuilds",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PurchaseId = table.Column<int>(type: "integer", nullable: false),
+                    BuildId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PurchaseBuilds", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PurchaseBuilds_Builds_BuildId",
+                        column: x => x.BuildId,
+                        principalTable: "Builds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PurchaseBuilds_Purchases_PurchaseId",
+                        column: x => x.PurchaseId,
+                        principalTable: "Purchases",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PurchaseProducts",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PurchaseId = table.Column<int>(type: "integer", nullable: false),
+                    ProductId = table.Column<int>(type: "integer", 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.CreateTable(
+                name: "OrderProducts",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<int>(type: "integer", nullable: false),
+                    ProductId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OrderProducts", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_OrderProducts_Orders_OrderId",
+                        column: x => x.OrderId,
+                        principalTable: "Orders",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_OrderProducts_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_BuildComponents_BuildId",
+                table: "BuildComponents",
+                column: "BuildId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_BuildComponents_ComponentId",
+                table: "BuildComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Builds_VendorId",
+                table: "Builds",
+                column: "VendorId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Comments_BuildId",
+                table: "Comments",
+                column: "BuildId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Components_StoreKeeperId",
+                table: "Components",
+                column: "StoreKeeperId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OrderProducts_OrderId",
+                table: "OrderProducts",
+                column: "OrderId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OrderProducts_ProductId",
+                table: "OrderProducts",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_ProductId",
+                table: "Orders",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ComponentId",
+                table: "ProductComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ProductId",
+                table: "ProductComponents",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_StoreKeeperId",
+                table: "Products",
+                column: "StoreKeeperId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseBuilds_BuildId",
+                table: "PurchaseBuilds",
+                column: "BuildId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseBuilds_PurchaseId",
+                table: "PurchaseBuilds",
+                column: "PurchaseId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseProducts_ProductId",
+                table: "PurchaseProducts",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PurchaseProducts_PurchaseId",
+                table: "PurchaseProducts",
+                column: "PurchaseId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Purchases_VendorId",
+                table: "Purchases",
+                column: "VendorId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "BuildComponents");
+
+            migrationBuilder.DropTable(
+                name: "Comments");
+
+            migrationBuilder.DropTable(
+                name: "OrderProducts");
+
+            migrationBuilder.DropTable(
+                name: "ProductComponents");
+
+            migrationBuilder.DropTable(
+                name: "PurchaseBuilds");
+
+            migrationBuilder.DropTable(
+                name: "PurchaseProducts");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Builds");
+
+            migrationBuilder.DropTable(
+                name: "Purchases");
+
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Vendors");
+
+            migrationBuilder.DropTable(
+                name: "StoreKeepers");
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Migrations/ComputerHardwareStoreDBContextModelSnapshot.cs

@@ -0,0 +1,563 @@
+// <auto-generated />
+using System;
+using ComputerHardwareStoreDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerHardwareStoreDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerHardwareStoreDBContext))]
+    partial class ComputerHardwareStoreDBContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("VendorId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VendorId");
+
+                    b.ToTable("Builds");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.BuildComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("BuildComponents");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Comment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.ToTable("Comments");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("StoreKeeperId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StoreKeeperId");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int?>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.OrderProduct", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("OrderProducts");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<int?>("StoreKeeperId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StoreKeeperId");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.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("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("VendorId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VendorId");
+
+                    b.ToTable("Purchases");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseBuild", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BuildId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PurchaseId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BuildId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseBuilds");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseProduct", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PurchaseId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("PurchaseId");
+
+                    b.ToTable("PurchaseProducts");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("StoreKeepers");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Vendor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Vendors");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Vendor", "Vendor")
+                        .WithMany("Builds")
+                        .HasForeignKey("VendorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Vendor");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.BuildComponent", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany("Components")
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("BuldComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Comment", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany()
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", "StoreKeeperЗЛ")
+                        .WithMany("Components")
+                        .HasForeignKey("StoreKeeperId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("StoreKeeperЗЛ");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("ProductId");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.OrderProduct", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Products")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", null)
+                        .WithMany("Products")
+                        .HasForeignKey("StoreKeeperId");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Vendor", null)
+                        .WithMany("Purchases")
+                        .HasForeignKey("VendorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseBuild", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Build", "Build")
+                        .WithMany()
+                        .HasForeignKey("BuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Builds")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Build");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.PurchaseProduct", b =>
+                {
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerHardwareStoreDatabaseImplement.Models.Purchase", "Purchase")
+                        .WithMany("Products")
+                        .HasForeignKey("PurchaseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Purchase");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Build", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("BuldComponents");
+
+                    b.Navigation("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Purchase", b =>
+                {
+                    b.Navigation("Builds");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerHardwareStoreDatabaseImplement.Models.Vendor", b =>
+                {
+                    b.Navigation("Builds");
+
+                    b.Navigation("Purchases");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Build.cs

@@ -0,0 +1,88 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Build : IBuildModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string Name { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        [NotMapped]
+        private Dictionary<int, (IComponentModel, int)>? _buildComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> BuildComponents
+        {
+            get
+            {
+                if (_buildComponents == null)
+                {
+                    _buildComponents = Components
+                        .ToDictionary(bc => bc.ComponentId, bc =>
+                        (bc.Component as IComponentModel, bc.Count));
+                }
+                return _buildComponents;
+            }   
+        }
+        [ForeignKey("BuildId")]
+        public virtual List<BuildComponent> Components { get; set; } = new();
+        [ForeignKey("BuildId")]
+
+        public virtual List<Comment> Comments { get; set; } = new();
+        [NotMapped]
+        List<ICommentModel> IBuildModel.Comments => Comments.Select(c => c as ICommentModel).ToList();
+
+        public virtual Vendor Vendor { get; private set; } = new();
+        IVendorModel IBuildModel.Vendor => Vendor as IVendorModel;
+
+        public static Build? Create(ComputerHardwareStoreDBContext context, BuildBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Price = model.Price,
+                Vendor = context.Vendors.First(v => v.Id == model.Vendor.Id),
+                Components = context.Components
+                    .Where(c => model.BuildComponents.ContainsKey(c.Id))
+                    .Select(c => new BuildComponent()
+                    {
+                        BuildId = model.Id,
+                        ComponentId = c.Id,
+                        Component = c,
+                        Count = model.BuildComponents[c.Id].Item2
+                    }).ToList()
+            };
+        }
+
+        public void Update(BuildBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
+            Price = model.Price;
+        }
+
+        public BuildViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Price = Price,
+            Vendor = Vendor,
+            Comments = Comments.Select(c => c as ICommentModel).ToList(),
+            BuildComponents = BuildComponents
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/BuildComponent.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class BuildComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int BuildId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Build Build { get; set; } = new();
+        public virtual Component Component { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Comment.cs

@@ -0,0 +1,49 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Comment : ICommentModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public DateTime Date { get; set; }
+        [Required]
+        public string Text { get; set; } = string.Empty;
+        [Required]
+        public int BuildId { get; set; }
+        public virtual Build Build { get; set; } = new();
+        public static Comment? Create(CommentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = model.Id,
+                Date = model.Date,
+                Text = model.Text,
+                BuildId = model.BuildId,
+            };
+        }
+
+        public void Update(CommentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Text = model.Text;
+        }
+
+        public CommentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Date = Date,
+            Text = Text,
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs

@@ -0,0 +1,56 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string Name { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+        [Required]
+        public virtual StoreKeeper? StoreKeeperЗЛ { get; set; }
+        [NotMapped]
+        public IStoreKeeperModel? StoreKeeper { get; set; }
+
+        [ForeignKey("ComponentId")]
+        public virtual List<ProductComponent> ProductComponents { get; set; } = new();
+        [ForeignKey("ComponentId")]
+        public virtual List<BuildComponent> BuldComponents { get; set; } = new();
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Cost = model.Cost,
+                StoreKeeper = model.StoreKeeper
+            };
+        }
+        public void Update (ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Cost = Cost
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Order.cs

@@ -0,0 +1,84 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Enums;
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int Count { get; set; }
+        [Required]
+        public double Sum { get; set; }
+        [Required]
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime? DateImplement { get; set; }
+
+        private Dictionary<int, (IProductModel, int)>? _orderProducts = null;
+        [NotMapped]
+        public Dictionary<int, (IProductModel, int)> OrderProducts 
+        {
+            get
+            {
+                if (_orderProducts == null)
+                {
+                    _orderProducts = Products
+                        .ToDictionary(
+                            op => op.ProductId, 
+                            op => (op.Product as IProductModel, op.Count));
+                }
+                return _orderProducts;
+            }
+        }
+        [ForeignKey("OrderId")]
+        public virtual List<OrderProduct> Products { get; set; } = new();
+        public static Order? Create(ComputerHardwareStoreDBContext context, OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Products = context.Products
+                    .Where(p => model.OrderProducts.ContainsKey(p.Id))
+                    .Select(p => new OrderProduct()
+                    {
+                        OrderId = model.Id,
+                        ProductId = p.Id,
+                        Product = p,
+                        Count = model.OrderProducts[p.Id].Item2
+                    })
+                    .ToList()
+            };
+        }
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/OrderProduct.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class OrderProduct
+    {
+        public int Id { get; set; }
+        [Required]
+        public int OrderId { get; set; }
+        [Required]
+        public int ProductId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Product Product { get; set; } = new();
+        public virtual Order Order { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Product.cs

@@ -0,0 +1,102 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Product : IProductModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string Name { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        [NotMapped]
+        IStoreKeeperModel IProductModel.StoreKeeper => StoreKeeper;
+        public virtual StoreKeeper StoreKeeper {get; set;} = new();
+        private Dictionary<int, (IComponentModel, int)>? _productComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> ProductComponents
+        {
+            get
+            {
+                if (_productComponents == null)
+                {
+                    _productComponents = Components
+                        .ToDictionary(c => c.ComponentId, c => (c.Component as IComponentModel, c.Count));
+                }
+                return _productComponents;
+            }
+        }
+        [ForeignKey("ProductId")]
+        public virtual List<ProductComponent> Components { get; set; } = new();
+        [ForeignKey("ProductId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Product Create(ComputerHardwareStoreDBContext context, ProductBindingModel model)
+        {
+            return new Product()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Price = model.Price,
+                Components = context.Components
+                    .Where(c => model.ProductComponents.ContainsKey(c.Id))
+                    .Select(c => new ProductComponent()
+                    {
+                        ProductId = model.Id,
+                        ComponentId = c.Id,
+                        Component = c,
+                        Count = model.ProductComponents[c.Id].Item2
+                    }).ToList(),
+            };
+        }
+        public void Update(ProductBindingModel model)
+        {
+            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
+            Price = model.Price;
+            
+        }
+        public ProductViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Price = Price,
+            ProductComponents = ProductComponents,
+            StoreKeeper = StoreKeeper,
+        };
+
+        public static void UpdateComponents(ComputerHardwareStoreDBContext context, ProductBindingModel model)
+        {
+            var productComponents = context.ProductComponents
+                .Where(pc => pc.ProductId == model.Id)
+                .ToList();
+            if (productComponents.Count != 0 && productComponents.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.ProductComponents
+                    .Where(pc => !model.ProductComponents.ContainsKey(pc.ComponentId))
+                    .ExecuteDelete();
+                // обновили количество у существующих записей
+                productComponents
+                    .ForEach(updateComponent =>
+                    {
+                        updateComponent.Count = model.ProductComponents[updateComponent.ComponentId].Item2;
+                        model.ProductComponents.Remove(updateComponent.ComponentId);
+                    });  
+            }
+            // добавили новые
+            context.ProductComponents
+                .AddRange(model.ProductComponents.Values
+                .Select(val => new ProductComponent()
+                {
+                    ProductId = model.Id,
+                    ComponentId = val.Item1.Id,
+                    Count = val.Item2
+                }));
+            context.SaveChanges();
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/ProductComponent.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class ProductComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int ProductId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Product Product { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Purchase.cs

@@ -0,0 +1,159 @@
+
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Purchase : IPurchaseModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int VendorId { get; set; }
+        [Required]
+        public double Cost { get; set; }
+        [Required]
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime? DateImplement { get; set; } = null;
+        private Dictionary<int, (IBuildModel, int)>? _purchaseBuilds = null;
+        [NotMapped]
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuilds
+        {
+            get
+            {
+                if (_purchaseBuilds == null)
+                {
+                    _purchaseBuilds = Builds
+                        .ToDictionary(op => op.BuildId, op => (op.Build as IBuildModel, op.Count));
+                }
+                return _purchaseBuilds;
+            }
+        }
+
+        [ForeignKey("PurchaseId")]
+        public virtual List<PurchaseBuild> Builds { get; set; } = new();
+        private Dictionary<int, (IProductModel, int)>? _purchaseProducts = null;
+        [NotMapped]
+        public Dictionary<int, (IProductModel, int)> PurchaseProducts
+        {
+            get
+            {
+                if (_purchaseProducts == null)
+                {
+                    _purchaseProducts = Products
+                        .ToDictionary(op => op.ProductId, op => (op.Product as IProductModel, op.Count));
+                }
+                return _purchaseProducts;
+            }
+        }
+        [ForeignKey("PurchaseId")]
+        public virtual List<PurchaseProduct> Products { get; set; } = new();
+
+        public static Purchase Create(ComputerHardwareStoreDBContext context, PurchaseBindingModel model)
+        {
+            return new Purchase()
+            {
+                Id = model.Id,
+                Cost = model.Cost,
+                DateCreate = model.DateCreate,
+                Builds = context.Builds
+                    .Where(b => model.PurchaseBuilds.ContainsKey(b.Id))
+                    .Select(b => new PurchaseBuild()
+                    {
+                        PurchaseId = model.Id,
+                        BuildId = b.Id,
+                        Build = b,
+                        Count = model.PurchaseProducts[b.Id].Item2
+                    }).ToList(),
+                Products = context.Products
+                    .Where(p => model.PurchaseProducts.ContainsKey(p.Id))
+                    .Select (p => new PurchaseProduct()
+                    {
+                        PurchaseId = model.Id,
+                        ProductId = p.Id,
+                        Product = p,
+                        Count = model.PurchaseProducts[p.Id].Item2
+                    })
+                    .ToList()
+            };
+        }
+        public void Update(PurchaseBindingModel model)
+        {
+            Cost = model.Cost;
+
+        }
+        public PurchaseViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Cost = Cost,
+            DateCreate = DateCreate,
+            PurchaseBuilds = PurchaseBuilds,
+            PurchaseProducts = PurchaseProducts
+        };
+
+        public static void UpdateBuilds(ComputerHardwareStoreDBContext context, PurchaseBindingModel model)
+        {
+            var productBuilds = context.PurchaseBuilds
+                .Where(pc => pc.PurchaseId == model.Id)
+                .ToList();
+            if (productBuilds.Count != 0 && productBuilds.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.PurchaseBuilds
+                    .Where(pc => !model.PurchaseBuilds.ContainsKey(pc.BuildId))
+                    .ExecuteDelete();
+                // обновили количество у существующих записей
+                productBuilds
+                    .ForEach(updateBuild =>
+                    {
+                        updateBuild.Count = model.PurchaseBuilds[updateBuild.BuildId].Item2;
+                        model.PurchaseBuilds.Remove(updateBuild.BuildId);
+                    });
+            }
+            // добавили новые
+            context.PurchaseBuilds
+                .AddRange(model.PurchaseBuilds.Values
+                .Select(val => new PurchaseBuild()
+                {
+                    PurchaseId = model.Id,
+                    BuildId = val.Item1.Id,
+                    Count = val.Item2
+                }));
+            context.SaveChanges();
+        }
+
+        public static void UpdateProducts(ComputerHardwareStoreDBContext context, PurchaseBindingModel model)
+        {
+            var productProducts = context.PurchaseProducts
+                .Where(pc => pc.PurchaseId == model.Id)
+                .ToList();
+            if (productProducts.Count != 0 && productProducts.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.PurchaseProducts
+                    .Where(pc => !model.PurchaseProducts.ContainsKey(pc.ProductId))
+                    .ExecuteDelete();
+                // обновили количество у существующих записей
+                productProducts
+                    .ForEach(updateProduct =>
+                    {
+                        updateProduct.Count = model.PurchaseProducts[updateProduct.ProductId].Item2;
+                        model.PurchaseProducts.Remove(updateProduct.ProductId);
+                    });
+            }
+            // добавили новые
+            context.PurchaseProducts
+                .AddRange(model.PurchaseProducts.Values
+                .Select(val => new PurchaseProduct()
+                {
+                    PurchaseId = model.Id,
+                    ProductId = val.Item1.Id,
+                    Count = val.Item2
+                }));
+            context.SaveChanges();
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/PurchaseBuild.cs

@@ -0,0 +1,18 @@
+
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class PurchaseBuild
+    {
+        public int Id { get; set; }
+        [Required]
+        public int PurchaseId { get; set; }
+        [Required]
+        public int BuildId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Purchase Purchase { get; set; } = new();
+        public virtual Build Build { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/PurchaseProduct.cs

@@ -0,0 +1,18 @@
+
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+   public class PurchaseProduct
+   {
+        public int Id { get; set; }
+        [Required]
+        public int PurchaseId { get; set; }
+        [Required]
+        public int ProductId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Purchase Purchase { get; set; } = new();
+        public virtual Product Product { get; set; } = new();
+   }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/StoreKeeper.cs

@@ -0,0 +1,56 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class StoreKeeper : IStoreKeeperModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string Name { get; private set; } = string.Empty;
+        [Required]
+
+        public string Login { get; private set; } = string.Empty;
+        [Required]
+        public string Password { get; private set; } = string.Empty;
+        [ForeignKey("StoreKeeperId")]
+        public virtual List<Product> Products { get; set; } = new();
+        [ForeignKey("StoreKeeperId")]
+        public virtual List<Component> Components { get; set; } = new();
+
+        public static StoreKeeper? Create(ComputerHardwareStoreDBContext context, StoreKeeperBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new StoreKeeper()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Login = model.Login,
+                Password = model.Password,
+            };
+        }
+        public void Update(StoreKeeperBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
+            Password = string.IsNullOrEmpty(model.Password) ? Password : model.Password;
+        }
+
+        public StoreKeeperViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Login = Login,
+            Password = Password
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Vendor.cs

@@ -0,0 +1,57 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerHardwareStoreDatabaseImplement.Models
+{
+    public class Vendor : IVendorModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string Name { get; private set; } = string.Empty;
+        [Required]
+
+        public string Login { get; private set; } = string.Empty;
+        [Required]
+
+        public string Password { get; private set; } = string.Empty;
+        [ForeignKey("VendorId")]
+        public virtual List<Purchase> Purchases { get; set; } = new();
+        [ForeignKey("VendorId")]
+        public virtual List<Build> Builds { get; set; } = new();
+
+        public static Vendor? Create(ComputerHardwareStoreDBContext context, VendorBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Vendor()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Login = model.Login,
+                Password = model.Password,
+            };
+        }
+        public void Update(VendorBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
+            Password = string.IsNullOrEmpty(model.Password) ? Password : model.Password;
+        }
+
+        public VendorViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Login = Login,
+            Password = Password
+        };
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/ComputerHardwareStoreREST.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.OpenApi" Version="1.6.14" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="8.0.2" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerHardwareStoreBusinessLogic\ComputerHardwareStoreBusinessLogic.csproj" />
+    <ProjectReference Include="..\ComputerHardwareStoreDatabaseImplement\ComputerHardwareStoreDatabaseImplement.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/BuildController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class BuildController : Controller
+    {
+        private readonly ILogger<BuildController> _logger;
+        private readonly IBuildStorage _storage;
+
+        public BuildController(ILogger<BuildController> logger, IBuildStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] BuildSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] BuildSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] BuildBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] BuildBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] BuildBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/CommentController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class CommentController : Controller
+    {
+        private readonly ILogger<CommentController> _logger;
+        private readonly ICommentStorage _storage;
+
+        public CommentController(ILogger<CommentController> logger, ICommentStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] CommentSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] CommentSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] CommentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] CommentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] CommentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/ComponentController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ProductController : Controller
+    {
+        private readonly ILogger<ProductController> _logger;
+        private readonly IProductStorage _storage;
+
+        public ProductController(ILogger<ProductController> logger, IProductStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] ProductSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] ProductSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] ProductBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] ProductBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] ProductBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/OrderController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class OrderController : Controller
+    {
+        private readonly ILogger<OrderController> _logger;
+        private readonly IOrderStorage _storage;
+
+        public OrderController(ILogger<OrderController> logger, IOrderStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] OrderSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] OrderSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] OrderBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] OrderBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] OrderBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/ProductController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ComponentController : Controller
+    {
+        private readonly ILogger<ComponentController> _logger;
+        private readonly IComponentStorage _storage;
+
+        public ComponentController(ILogger<ComponentController> logger, IComponentStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] ComponentSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] ComponentSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] ComponentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] ComponentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] ComponentBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/PurchaseController.cs

@@ -0,0 +1,87 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class PurchaseController : Controller
+    {
+        private readonly ILogger<PurchaseController> _logger;
+        private readonly IPurchaseStorage _storage;
+
+        public PurchaseController(ILogger<PurchaseController> logger, IPurchaseStorage storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        [HttpPost("get/filter")]
+        public IActionResult GetByFilter([FromBody] PurchaseSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetFilteredList(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("get")]
+        public IActionResult GetById([FromBody] PurchaseSearchModel model)
+        {
+            try
+            {
+                var result = _storage.GetElement(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("create")]
+        public IActionResult Create([FromBody] PurchaseBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Insert(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPut("update")]
+        public IActionResult Update([FromBody] PurchaseBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Update(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+        [HttpPost("delete")]
+        public IActionResult Delete([FromBody] PurchaseBindingModel model)
+        {
+            try
+            {
+                var result = _storage.Delete(model);
+                return Ok(result);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/StoreKeepersController.cs

@@ -0,0 +1,83 @@
+using Microsoft.AspNetCore.Mvc;
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+    public class StoreKeeperController : Controller
+    {
+		private readonly ILogger _logger;
+		private readonly IStoreKeeperLogic _logic;
+		private readonly IMessageInfoLogic _mailLogic;
+		public StoreKeeperController(IStoreKeeperLogic logic, IMessageInfoLogic mailLogic, ILogger<StoreKeeperController> logger)
+		{
+			_logger = logger;
+			_logic = logic;
+			_mailLogic = mailLogic;
+		}
+		[HttpGet]
+		public StoreKeeperViewModel? Login(string login, string password)
+		{
+			try
+			{
+				return _logic.ReadElement(new StoreKeeperSearchModel
+				{
+					Login = login,
+					Password = password
+				});
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка входа в систему");
+				throw;
+			}
+		}
+		[HttpPost]
+		public void Register(StoreKeeperBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка регистрации");
+				throw;
+			}
+		}
+		[HttpPost]
+		public void UpdateData(StoreKeeperBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка обновления данных");
+				throw;
+			}
+		}
+		[HttpGet]
+		public List<MessageInfoViewModel>? GetMessages(int clientId)
+		{
+			try
+			{
+				return _mailLogic.ReadList(new MessageInfoSearchModel
+				{
+					ClientId = clientId
+				});
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка получения писем клиента");
+				throw;
+			}
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Controllers/VendorController.cs

@@ -0,0 +1,82 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ComputerHardwareStoreREST.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+    public class VendorController : Controller
+    {
+		private readonly ILogger _logger;
+		private readonly IVendorLogic _logic;
+		private readonly IMessageInfoLogic _mailLogic;
+		public VendorController(IVendorLogic logic, IMessageInfoLogic mailLogic, ILogger<VendorController> logger)
+		{
+			_logger = logger;
+			_logic = logic;
+			_mailLogic = mailLogic;
+		}
+		[HttpGet]
+		public VendorViewModel? Login(string login, string password)
+		{
+			try
+			{
+				return _logic.ReadElement(new VendorSearchModel
+				{
+					Login = login,
+					Password = password
+				});
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка входа в систему");
+				throw;
+			}
+		}
+		[HttpPost]
+		public void Register(VendorBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка регистрации");
+				throw;
+			}
+		}
+		[HttpPost]
+		public void UpdateData(VendorBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка обновления данных");
+				throw;
+			}
+		}
+		[HttpGet]
+		public List<MessageInfoViewModel>? GetMessages(int clientId)
+		{
+			try
+			{
+				return _mailLogic.ReadList(new MessageInfoSearchModel
+				{
+					ClientId = clientId
+				});
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка получения писем клиента");
+				throw;
+			}
+		}
+	}
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Program.cs

@@ -0,0 +1,61 @@
+using ComputerHardwareStoreBusinessLogic.BusinessLogic;
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreDatabaseImplement.Implements;
+using ComputerHardwareStoreREST;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.OpenApi.Models;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Logging.SetMinimumLevel(LogLevel.Trace);
+builder.Services.AddControllers();
+
+// получаем строку подключения из файла конфигурации
+//DBSetting.ConectionString = builder.Configuration.GetConnectionString("DefaultConnection");
+
+builder.Services.AddTransient<IVendorStorage, VendorStorage>();
+builder.Services.AddTransient<IPurchaseStorage, PurchaseStorage>();
+builder.Services.AddTransient<IBuildStorage, BuildStorage>();
+builder.Services.AddTransient<ICommentStorage, CommentStorage>();
+builder.Services.AddTransient<IProductStorage, ProductStorage>();
+builder.Services.AddTransient<IComponentStorage, ComponentStorage>();
+builder.Services.AddTransient<IStoreKeeperStorage, StoreKeeperStorage>();
+
+builder.Services.AddTransient<IVendorLogic, VendorLogic>();
+builder.Services.AddTransient<IPurchaseLogic, PurchaseLogic>();
+builder.Services.AddTransient<IBuildLogic, BuildLogic>();
+builder.Services.AddTransient<ICommentLogic, CommentLogic>();
+//builder.Services.AddTransient<IProductLogic, ProductLogic>();
+builder.Services.AddTransient<IComponentLogic, ComponentLogic>();
+builder.Services.AddTransient<IStoreKeeperLogic, StoreKeeperLogic>();
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+var app = builder.Build();
+//var mailSender = app.Services.GetService<AbstractMailWorker>();
+//mailSender?.MailConfig(new MailConfigBindingModel
+//{
+//MailLogin = builder.Configuration?.GetSection("MailLogin")?.Value?.ToString() ?? string.Empty,
+//MailPassword = builder.Configuration?.GetSection("MailPassword")?.Value?.ToString() ?? string.Empty,
+//SmtpClientHost = builder.Configuration?.GetSection("SmtpClientHost")?.Value?.ToString() ?? string.Empty,
+//SmtpClientPort = Convert.ToInt32(builder.Configuration?.GetSection("SmtpClientPort")?.Value?.ToString()),
+//PopHost = builder.Configuration?.GetSection("PopHost")?.Value?.ToString() ?? string.Empty,
+//PopPort = Convert.ToInt32(builder.Configuration?.GetSection("PopPort")?.Value?.ToString())
+//});
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+	app.UseSwagger();
+	app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "AbstractShopRestApi v1"));
+}
+
+app.UseHttpsRedirection();
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

ComputerHardwareStore/ComputerHardwareStoreREST/Properties/launchSettings.json

@@ -0,0 +1,14 @@
+{
+  "profiles": {
+    "ComputerHardwareStoreREST": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "https://localhost:8080;http://localhost:8081"
+    }
+  }
+}

ComputerHardwareStore/ComputerHardwareStoreREST/Views/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,18 @@
+<environment names="Development">
+    <script src="~/lib/jquery-validation/dist/jquery.validate.js"></script>
+    <script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.js"></script>
+</environment>
+<environment names="Staging,Production">
+    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validate/1.17.0/jquery.validate.min.js"
+            asp-fallback-src="~/lib/jquery-validation/dist/jquery.validate.min.js"
+            asp-fallback-test="window.jQuery && window.jQuery.validator"
+            crossorigin="anonymous"
+            integrity="sha384-rZfj/ogBloos6wzLGpPkkOr/gpkBNLZ6b6yLy4o+ok+t/SAKlL5mvXLr0OXNi1Hp">
+    </script>
+    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validation.unobtrusive/3.2.9/jquery.validate.unobtrusive.min.js"
+            asp-fallback-src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"
+            asp-fallback-test="window.jQuery && window.jQuery.validator && window.jQuery.validator.unobtrusive"
+            crossorigin="anonymous"
+            integrity="sha384-ifv0TYDWxBHzvAk2Z0n8R434FL1Rlv/Av18DXE43N/1rvHyOG4izKst0f2iSLdds">
+    </script>
+</environment>

ComputerHardwareStore/ComputerHardwareStoreREST/Views/StoreKeepers/Create.cshtml

@@ -0,0 +1,43 @@
+@model ComputerHardwareStoreDatabaseImplement.Models.StoreKeeper
+
+@{
+    ViewData["Title"] = "Create";
+}
+
+<h1>Create</h1>
+
+<h4>StoreKeeper</h4>
+<hr />
+<div class="row">
+    <div class="col-md-4">
+        <form asp-action="Create">
+            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Name" class="control-label"></label>
+                <input asp-for="Name" class="form-control" />
+                <span asp-validation-for="Name" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Login" class="control-label"></label>
+                <input asp-for="Login" class="form-control" />
+                <span asp-validation-for="Login" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Password" class="control-label"></label>
+                <input asp-for="Password" class="form-control" />
+                <span asp-validation-for="Password" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <input type="submit" value="Create" class="btn btn-primary" />
+            </div>
+        </form>
+    </div>
+</div>
+
+<div>
+    <a asp-action="Index">Back to List</a>
+</div>
+
+@section Scripts {
+    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
+}