фикс

ComputerShop.sln

@@ -0,0 +1,49 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34511.84
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerShopDataModels", "ComputerShopDataModels\ComputerShopDataModels.csproj", "{BBCF398B-D800-4D8D-99E8-F7ED2CC14A65}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerShopContracts", "ComputerShopContracts\ComputerShopContracts.csproj", "{B197888D-702B-4122-BFBF-BA6BCB49C0F3}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerShopBusinessLogic", "ComputerShopBusinessLogic\ComputerShopBusinessLogic.csproj", "{82FCBA71-AC54-45C8-9B21-BCB3DF6E085B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerShopDatabaseImplement", "ComputerShopDatabaseImplement\ComputerShopDatabaseImplement.csproj", "{CDE4C963-67B5-47A6-A394-901E95EA40F7}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerShopImplementerApp", "ComputerShopImplementerApp\ComputerShopImplementerApp.csproj", "{0E13C365-F2CC-4A32-BDD0-52E2DB324734}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BBCF398B-D800-4D8D-99E8-F7ED2CC14A65}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BBCF398B-D800-4D8D-99E8-F7ED2CC14A65}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BBCF398B-D800-4D8D-99E8-F7ED2CC14A65}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BBCF398B-D800-4D8D-99E8-F7ED2CC14A65}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B197888D-702B-4122-BFBF-BA6BCB49C0F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B197888D-702B-4122-BFBF-BA6BCB49C0F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B197888D-702B-4122-BFBF-BA6BCB49C0F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B197888D-702B-4122-BFBF-BA6BCB49C0F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{82FCBA71-AC54-45C8-9B21-BCB3DF6E085B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{82FCBA71-AC54-45C8-9B21-BCB3DF6E085B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{82FCBA71-AC54-45C8-9B21-BCB3DF6E085B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{82FCBA71-AC54-45C8-9B21-BCB3DF6E085B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CDE4C963-67B5-47A6-A394-901E95EA40F7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CDE4C963-67B5-47A6-A394-901E95EA40F7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CDE4C963-67B5-47A6-A394-901E95EA40F7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CDE4C963-67B5-47A6-A394-901E95EA40F7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0E13C365-F2CC-4A32-BDD0-52E2DB324734}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0E13C365-F2CC-4A32-BDD0-52E2DB324734}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0E13C365-F2CC-4A32-BDD0-52E2DB324734}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0E13C365-F2CC-4A32-BDD0-52E2DB324734}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9414A502-1CCD-466A-9FFA-21B0297A8ECA}
+	EndGlobalSection
+EndGlobal

ComputerShopBusinessLogic/BusinessLogics/Batch.cs

@@ -0,0 +1,99 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class Batch : IBatchLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IBatchStorage _batchStorage;
+
+		public Batch(ILogger<Batch> logger, IBatchStorage batchStorage)
+		{
+			_logger = logger;
+			_batchStorage = batchStorage;
+		}
+
+		public List<BatchViewModel> ReadList(BatchSearchModel? model)
+		{
+			var list = (model == null) ? _batchStorage.GetFullList() : _batchStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("Read null list");
+				return null;
+			}
+			return list;
+		}
+
+		public BatchViewModel? ReadElement(BatchSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			var batch = _batchStorage.GetElement(model);
+			if (batch == null)
+			{
+				_logger.LogWarning("ReadElement batch not found");
+				return null;
+			}
+			return batch;
+		}
+
+		public bool Create(BatchBindingModel model)
+		{
+			CheckModel(model);
+			if (_batchStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(BatchBindingModel model)
+		{
+			CheckModel(model);
+			if (_batchStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(BatchBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_batchStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(BatchBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+		}
+	}
+}

ComputerShopBusinessLogic/BusinessLogics/RequestLogic.cs

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+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class RequestLogic : IRequestLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IRequestStorage _requestStorage;
+		public RequestLogic(ILogger<RequestLogic> logger, IRequestStorage requestStorage)
+		{
+			_logger = logger;
+			_requestStorage = requestStorage;
+		}
+
+		public List<RequestViewModel>? ReadList(RequestSearchModel? model)
+		{
+			var list = (model == null ) ? _requestStorage.GetFullList() : _requestStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("Null list");
+				return null;
+			}
+			return list;
+		}
+
+		public RequestViewModel? ReadElement(RequestSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+
+			var element = _requestStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement request not found");
+				return null;
+			}
+			return element;
+		}
+
+		public bool Create(RequestBindingModel model)
+		{
+			CheckModel(model);
+			if (_requestStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(RequestBindingModel model)
+		{
+			CheckModel(model);
+			if (_requestStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool ConnectRequestAssembly(int requestId, int assemblyId)
+		{
+			_logger.LogInformation("Connect Assembly {rId} with request {aId}", requestId, assemblyId);
+			return _requestStorage.ConnectRequestAssembly(requestId, assemblyId);
+		}
+
+		public bool Delete(RequestBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_requestStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+	}
+}

ComputerShopBusinessLogic/BusinessLogics/UserLogic.cs

@@ -0,0 +1,127 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class UserLogic : IUserLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IUserStorage _userStorage;
+
+		public UserLogic(ILogger<IUserLogic> logger, IUserStorage userStorage)
+		{
+			_logger = logger;
+			_userStorage = userStorage;
+		}
+		public List<UserViewModel>? ReadList(UserSearchModel? model)
+		{
+			var list = model == null ? _userStorage.GetFullList() : _userStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("Null list user");
+				return null;
+			}
+			return list;
+		}
+
+		public UserViewModel? ReadElement(UserSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			var element = _userStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement user not found");
+				return null;
+			}
+			return element;
+		}
+
+		public bool Create(UserBindingModel model)
+		{
+			CheckModel(model);
+			if (_userStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(UserBindingModel model)
+		{
+			CheckModel(model);
+			if (_userStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(UserBindingModel model)
+		{
+			CheckModel(model, false);
+			if (_userStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(UserBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.Login))
+			{
+				throw new ArgumentNullException("Логин не существует", nameof(model.Login));
+			}
+			if (string.IsNullOrEmpty(model.Password))
+			{
+				throw new ArgumentNullException("Пароль не существует", nameof(model.Password));
+			}
+			if (string.IsNullOrEmpty(model.Email))
+			{
+				throw new ArgumentNullException("Почта не существует", nameof(model.Email));
+			}
+			
+			var user1 = _userStorage.GetElement(new UserSearchModel
+			{
+				Login = model.Login
+			});
+
+			if (user1 != null && user1.Id != model.Id)
+			{
+				throw new InvalidOperationException("Логин занят");
+			}
+
+			var user2 = _userStorage.GetElement(new UserSearchModel
+			{
+				Email = model.Email
+			});
+
+			if (user2 != null && user2.Id != model.Id) {
+				throw new InvalidOperationException("Почта занята");
+			}
+		}
+	}
+}

ComputerShopBusinessLogic/ComputerShopBusinessLogic.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerShopContracts\ComputerShopContracts.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerShopContracts/BindingModels/AssemblyBindingModel.cs

@@ -0,0 +1,16 @@
+using ComputerShopDataModels.Models;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class AssemblyBindingModel : IAssemblyModel
+	{
+        public string AssemblyName { get; set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public int UserId { get; set; }
+        public int Id { get; set; }
+
+		public Dictionary<int, (IComponentModel, int)> AssemblyComponents { get; set; } = new();
+	}
+}

ComputerShopContracts/BindingModels/BatchBindingModel.cs

@@ -0,0 +1,18 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class BatchBindingModel : IBatchModel
+	{
+        public DateTime DateBatch { get; set; } = DateTime.Now;
+
+		public int ProductId { get; set; }
+        public int Id { get; set; }
+
+	}
+}

ComputerShopContracts/BindingModels/ComponentBindingModel.cs

@@ -0,0 +1,17 @@
+using ComputerShopDataModels.Models;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class ComponentBindingModel : IComponentModel
+	{
+        public double Cost { get; set; }
+        public string ComponentName { get; set; } = string.Empty;
+        public string Description { get; set; } = string.Empty;
+		public int UserId { get; set; }
+        public int Id { get; set; }
+
+
+
+
+    }
+}

ComputerShopContracts/BindingModels/ProductBindingModel.cs

@@ -0,0 +1,14 @@
+using ComputerShopDataModels.Models;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class ProductBindingModel : IProductModel
+	{
+        public double Cost { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+        public string Description { get; set; } = string.Empty;
+		public int UserId { get; set; }
+		public int? BatchId { get; set; }
+        public int Id { get; set; }
+    }
+}

ComputerShopContracts/BindingModels/RequestBindingModel.cs

@@ -0,0 +1,16 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class RequestBindingModel : IRequestModel
+	{
+		public int Id { get; set; }
+        public DateTime DateRequest { get; set; } = DateTime.Now;
+        public int? AssemblyId { get; set; }
+	}
+}

ComputerShopContracts/BindingModels/UserBindingModel.cs

@@ -0,0 +1,19 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class UserBindingModel : IUserModel
+	{
+        public string Fio { get; set; } = string.Empty;
+        public string PhoneNumber { get; set; } = string.Empty;
+		public string Login { get; set; } = string.Empty; // TODO сделать адекватно
+		public string Password { get; set; } = string.Empty; 
+		public string Email { get; set; } = string.Empty;
+        public int Id { get; set; }
+    }
+}

ComputerShopContracts/BusinessLogicContracts/IAssemblyLogic.cs

@@ -0,0 +1,19 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IAssemblyLogic
+	{
+		List<AssemblyViewModel>? ReadList(AssemblySearchModel? Model);
+		
+		AssemblyViewModel? ReadElement(AssemblySearchModel Model);
+		
+		bool Create(AssemblyBindingModel Model);
+		
+		bool Update(AssemblyBindingModel Model);
+		
+		bool Delete(AssemblyBindingModel Model);
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IBatchLogic.cs

@@ -0,0 +1,20 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IBatchLogic
+	{
+		List<BatchViewModel>? ReadList(BatchSearchModel? model);
+		BatchViewModel? ReadElement(BatchSearchModel model);
+		bool Create(BatchBindingModel model);
+		bool Update(BatchBindingModel model);
+		bool Delete(BatchBindingModel model);
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IComponentLogic.cs

@@ -0,0 +1,19 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IComponentLogic
+	{
+		List<ComponentViewModel>? ReadList(ComponentSearchModel? Model);
+		
+		ComponentViewModel? ReadElement(ComponentSearchModel Model);
+		
+		bool Create(ComponentBindingModel Model);
+		
+		bool Update(ComponentBindingModel Model);
+		
+		bool Delete(ComponentBindingModel Model);
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IProductLogic.cs

@@ -0,0 +1,19 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IProductLogic
+	{
+		List<ProductViewModel>? ReadList(ProductSearchModel? Model);
+
+		ProductViewModel? ReadElement(ProductSearchModel Model);
+
+		bool Create(ProductBindingModel Model);
+
+		bool Update(ProductBindingModel Model);
+
+		bool Delete(ProductBindingModel Model);
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IRequestLogic.cs

@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IRequestLogic
+	{
+		List<RequestViewModel>? ReadList(RequestSearchModel? model);
+		RequestViewModel? ReadElement(RequestSearchModel model);
+		bool Create(RequestBindingModel model);
+		bool Update(RequestBindingModel model);
+		bool Delete(RequestBindingModel model);
+		bool ConnectRequestAssembly(int requestId, int assemblyId);
+	}
+}

ComputerShopContracts/BusinessLogicContracts/IUserLogic.cs

@@ -0,0 +1,20 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IUserLogic
+	{
+		List<UserViewModel>? ReadList(UserSearchModel? model);
+		UserViewModel? ReadElement(UserSearchModel model);
+		bool Create(UserBindingModel model);
+		bool Update(UserBindingModel model);
+		bool Delete(UserBindingModel model);
+	}
+}

ComputerShopContracts/ComputerShopContracts.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerShopDataModels\ComputerShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerShopContracts/SearchModels/AssemblySearchModel.cs

@@ -0,0 +1,10 @@
+namespace ComputerShopContracts.SearchModels
+{
+	public class AssemblySearchModel
+	{
+		public int? Id { get; set; }
+
+		public int? UserId { get; set; }
+
+	}
+}

ComputerShopContracts/SearchModels/BatchSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.SearchModels
+{
+	public class BatchSearchModel
+	{
+		public int? Id { get; set; }
+        public int ProductId { get; set; }
+        public DateTime? DateFrom { get; set; }
+		public DateTime? DateTo { get; set; }
+	}
+}

ComputerShopContracts/SearchModels/ComponentSearchModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerShopContracts.SearchModels
+{
+	public class ComponentSearchModel
+	{
+		public int? Id { get; set; }
+		public int? UserId { get; set; }
+		public string? ComponentName { get; set; }
+	}
+}

ComputerShopContracts/SearchModels/ProductSearchModel.cs

@@ -0,0 +1,11 @@
+namespace ComputerShopContracts.SearchModels
+{
+	public class ProductSearchModel
+	{
+		public int? Id { get; set; }
+
+		public int? UserId { get; set; }
+
+		public int? BatchId { get; set; }
+	}
+}

ComputerShopContracts/SearchModels/RequestSearchModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.SearchModels
+{
+	public class RequestSearchModel
+	{
+		public int? Id { get; set; }
+		public int? AssemblyId { get; set; }
+		public DateTime? DateFrom { get; set; }
+		public DateTime? DateTo { get; set; }
+
+	}
+}

ComputerShopContracts/SearchModels/UserSearchModel.cs

@@ -0,0 +1,19 @@
+using ComputerShopDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.SearchModels
+{
+	public class UserSearchModel
+	{
+        public string? Fio { get; set; }
+        public string? PhoneNumber { get; set; }
+        public int? Id { get; set; }
+		public string? Login { get; set; }
+		public string Password { get; set; }
+		public string? Email { get; set; }
+	}
+}

ComputerShopContracts/StorageContracts/IAssemblyStorage.cs

@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IAssemblyStorage
+	{
+		List<AssemblyViewModel> GetFullList();
+
+		List<AssemblyViewModel> GetFilteredList(AssemblySearchModel Model);
+
+		AssemblyViewModel? GetElement(AssemblySearchModel Model);
+
+		AssemblyViewModel? Insert(AssemblyBindingModel Model);
+
+		AssemblyViewModel? Update(AssemblyBindingModel Model);
+
+		AssemblyViewModel? Delete(AssemblyBindingModel Model);
+	}
+}

ComputerShopContracts/StorageContracts/IBatchStorage.cs

@@ -0,0 +1,20 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IBatchStorage
+	{
+		List<BatchViewModel> GetFullList();
+        BatchViewModel? GetElement(BatchSearchModel model);
+		BatchViewModel? Insert(BatchBindingModel model);
+		BatchViewModel? Update(BatchBindingModel model);
+		BatchViewModel? Delete(BatchBindingModel model);
+	}
+}

ComputerShopContracts/StorageContracts/IComponentStorage.cs

@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IComponentStorage
+	{
+		List<ComponentViewModel> GetFullList();
+		
+		List<ComponentViewModel> GetFilteredList(ComponentSearchModel Model);
+		
+		ComponentViewModel? GetElement(ComponentSearchModel Model);
+		
+		ComponentViewModel? Insert(ComponentBindingModel Model);
+		
+		ComponentViewModel? Update(ComponentBindingModel Model);
+		
+		ComponentViewModel? Delete(ComponentBindingModel Model);
+	}
+}

ComputerShopContracts/StorageContracts/IProductStorage.cs

@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IProductStorage
+	{
+		List<ProductViewModel> GetFullList();
+
+		List<ProductViewModel> GetFilteredList(ProductSearchModel Model);
+
+		ProductViewModel? GetElement(ProductSearchModel Model);
+
+		ProductViewModel? Insert(ProductBindingModel Model);
+
+		ProductViewModel? Update(ProductBindingModel Model);
+
+		ProductViewModel? Delete(ProductBindingModel Model);
+	}
+}

ComputerShopContracts/StorageContracts/IRequestStorage.cs

@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IRequestStorage
+	{
+		List<RequestViewModel> GetFullList();
+		RequestViewModel? GetElement(RequestSearchModel model);
+		RequestViewModel? Insert(RequestBindingModel model);
+		RequestViewModel? Update(RequestBindingModel model);
+		RequestViewModel? Delete(RequestBindingModel model);
+		bool ConnectRequestAssembly(int requestId, int assemblyId);
+	}
+}

ComputerShopContracts/StorageContracts/IUserStorage.cs

@@ -0,0 +1,20 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IUserStorage
+	{
+		List<UserViewModel> GetFullList();
+		UserViewModel? GetElement(UserSearchModel model);
+		UserViewModel? Insert(UserBindingModel model);
+		UserViewModel? Update(UserBindingModel model);
+		UserViewModel? Delete(UserBindingModel model);
+	}
+}

ComputerShopContracts/ViewModels/AssemblyViewModel.cs

@@ -0,0 +1,18 @@
+using ComputerShopDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class AssemblyViewModel : IAssemblyModel
+	{
+		public int Id { get; set; }
+
+
+		[DisplayName("Имя сборки")]
+		public string AssemblyName { get; set; } = string.Empty;
+		[DisplayName("Цена")]
+		public double Cost { get; set; }
+        public int UserId { get; set; }
+        public Dictionary<int, (IComponentModel, int)> AssemblyComponents { get; set; } = new();
+	}
+}

ComputerShopContracts/ViewModels/BatchViewModel.cs

@@ -0,0 +1,25 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class BatchViewModel : IBatchModel
+	{
+        [DisplayName("Дата партии")]
+        public DateTime DateBatch { get; set; } = DateTime.Now;
+
+        public int ProductId { get; set; }
+
+        [DisplayName("Номер")]
+		public int Id { get; set; }
+
+
+
+
+	}
+}

ComputerShopContracts/ViewModels/ComponentViewModel.cs

@@ -0,0 +1,22 @@
+using ComputerShopDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class ComponentViewModel : IComponentModel
+	{
+		public int Id { get; set; }
+
+        [DisplayName("Цена")]
+        public double Cost { get; set; }
+
+        [DisplayName("Имя комплектующего")]
+        public string ComponentName { get; set; } = string.Empty;
+
+        [DisplayName("Описание комплектующего")]
+        public string Description { get; set; } = string.Empty;
+
+        public int UserId { get; set; }
+
+	}
+}

ComputerShopContracts/ViewModels/ProductViewModel.cs

@@ -0,0 +1,23 @@
+using ComputerShopDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class ProductViewModel : IProductModel
+	{
+        [DisplayName("Цена")]
+        public double Cost { get; set; }
+
+        [DisplayName("Название товара")]
+        public string ProductName { get; set; } = string.Empty;
+
+        [DisplayName("Описание товара")]
+        public string Description { get; set; } = string.Empty;
+
+        public int UserId { get; set; }
+        public int Id { get; set; }
+
+        public int? BatchId { get; set; }
+
+	}
+}

ComputerShopContracts/ViewModels/RequestViewModel.cs

@@ -0,0 +1,23 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class RequestViewModel : IRequestModel
+	{
+        [DisplayName("Дата создания")]
+        public DateTime DateRequest { get; set; } = DateTime.Now;
+        public int? AssemblyId { get; set; }
+        public IAssemblyModel? Assembly { get; set; }
+
+        [DisplayName("Номер")]
+		public int Id { get; set; }
+
+	}
+}

ComputerShopContracts/ViewModels/UserViewModel.cs

@@ -0,0 +1,30 @@
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class UserViewModel : IUserModel
+	{
+        [DisplayName("ФИО")]
+        public string Fio { get; set; } = string.Empty;
+
+        [DisplayName("Номер телефона")]
+        public string PhoneNumber { get; set; } = string.Empty;
+
+        [DisplayName("Логин")]
+		public string Login { get; set; } = string.Empty;
+
+		[DisplayName("Пароль")]
+		public string Password { get; set; } = string.Empty;
+
+		[DisplayName("Почта")]
+		public string Email { get; set; } = string.Empty;
+        public int Id { get; set; }
+    }
+}

ComputerShopDataModels/ComputerShopDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

ComputerShopDataModels/Models/IAssemblyModel.cs

@@ -0,0 +1,28 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Сборка
+	/// </summary>
+	public interface IAssemblyModel : IId
+	{
+        /// <summary>
+        /// Название сборки
+        /// </summary>
+        string AssemblyName { get; }
+
+        /// <summary>
+        /// Стоимость
+        /// </summary>
+        double Cost { get; }
+
+        /// <summary>
+        /// Пользователь, который создал сборку
+        /// </summary>
+        int UserId { get; }
+
+		/// <summary>
+		/// Список комплектующих
+		/// </summary>
+		Dictionary<int, (IComponentModel, int)> AssemblyComponents { get; }
+	}
+}

ComputerShopDataModels/Models/IBatchModel.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Партия товара
+	/// </summary>
+	public interface IBatchModel : IId
+	{
+		/// <summary>
+		/// Дата
+		/// </summary>
+		DateTime DateBatch { get; }
+
+
+        /// <summary>
+        /// ID товара
+        /// </summary>
+        int ProductId { get; }
+	}
+}

ComputerShopDataModels/Models/IComponentModel.cs

@@ -0,0 +1,29 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Комплектующее
+	/// </summary>
+	public interface IComponentModel : IId
+	{
+        /// <summary>
+        /// Стоимость комплектующего
+        /// </summary>
+        double Cost { get; }
+
+        /// <summary>
+        /// Название комплектующего
+        /// </summary>
+        string ComponentName { get; }
+
+        /// <summary>
+        /// Название комплектующего
+        /// </summary>
+        string Description { get; }
+
+        /// <summary>
+        /// Пользователь, который добавил комплектующее
+        /// </summary>
+        int UserId { get; }
+
+	}
+}

ComputerShopDataModels/Models/IId.cs

@@ -0,0 +1,7 @@
+namespace ComputerShopDataModels.Models
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}

ComputerShopDataModels/Models/IProductModel.cs

@@ -0,0 +1,33 @@
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Товар
+	/// </summary>
+	public interface IProductModel : IId
+	{
+        /// <summary>
+        /// Стоимость товара
+        /// </summary>
+        double Cost { get; }
+
+        /// <summary>
+        /// Название товара
+        /// </summary>
+        string ProductName { get; }
+
+        /// <summary>
+        /// Название товара
+        /// </summary>
+        string Description { get; }
+
+        /// <summary>
+        /// Пользователь, который добавил товар
+        /// </summary>
+        int UserId { get; }
+
+		/// <summary>
+		/// Привязка товара к партии товаров
+		/// </summary>
+		int? BatchId { get; }
+	}
+}

ComputerShopDataModels/Models/IRequestModel.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDataModels.Models
+{
+	/// <summary>
+	/// Заявка
+	/// </summary>
+	public interface IRequestModel : IId
+	{
+        /// <summary>
+        /// Дата создания заявки
+        /// </summary>
+        DateTime DateRequest { get; }
+
+		/// <summary>
+		/// ID сборки
+		/// </summary>
+		int? AssemblyId { get; }
+
+	}
+}

ComputerShopDataModels/Models/IUserModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDataModels.Models
+{
+	public interface IUserModel : IId
+	{
+		string Fio { get; }
+        string PhoneNumber { get; }
+        string Login { get; }
+        string Password { get; }
+		string Email { get; }
+	}
+}

ComputerShopDatabaseImplement/ComputerShopDatabase.cs

@@ -0,0 +1,32 @@
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement
+{
+    public class ComputerShopDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder OptionsBuilder)
+        {
+            if (!OptionsBuilder.IsConfigured)
+            {
+                OptionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=ComputerStoreDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;TrustServerCertificate=True");
+            }
+
+            base.OnConfiguring(OptionsBuilder);
+
+        }
+		public virtual DbSet<User> Users { get; set; }
+
+		public virtual DbSet<Component> Components { get; set; }
+
+		public virtual DbSet<Assembly> Assemblies { get; set; }
+
+		public virtual DbSet<AssemblyComponent> AssemblyComponents { get; set; }
+
+		public virtual DbSet<Product> Products { get; set; }
+
+		public virtual DbSet<Request> Requests { get; set; }
+		public virtual DbSet<Batch> Batchs { get; set; }
+
+	}
+}

ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.18" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.18" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.18">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="netcore-psql-util" Version="1.2.1" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerShopContracts\ComputerShopContracts.csproj" />
+    <ProjectReference Include="..\ComputerShopDataModels\ComputerShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs

@@ -0,0 +1,99 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    public class AssemblyStorage : IAssemblyStorage
+    {
+        public List<AssemblyViewModel> GetFullList()
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Assemblies
+                .Include(x => x.Components)
+                    .ThenInclude(x => x.Assembly)
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public List<AssemblyViewModel> GetFilteredList(AssemblySearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+            // сборки по комплектующим
+            return Context.Assemblies
+                .Include(x => x.Components)
+                    .ThenInclude(x => x.Assembly)
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public AssemblyViewModel? GetElement(AssemblySearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Assemblies
+                .Include(x => x.Components)
+                    .ThenInclude(x => x.Assembly)
+                .FirstOrDefault(x => x.Id == Model.Id)?
+                .ViewModel;
+        }
+
+        public AssemblyViewModel? Insert(AssemblyBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var NewAssembly = Assembly.Create(Context, Model);
+            Context.Assemblies.Add(NewAssembly);
+            Context.SaveChanges();
+
+            return NewAssembly.ViewModel;
+        }
+
+        public AssemblyViewModel? Update(AssemblyBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+            using var Transaction = Context.Database.BeginTransaction();
+
+            try
+            {
+                var ExistingAssembly = Context.Assemblies.FirstOrDefault(x => x.Id == Model.Id);
+                if (ExistingAssembly == null)
+                {
+                    return null;
+                }
+
+                ExistingAssembly.Update(Model);
+                Context.SaveChanges();
+                ExistingAssembly.UpdateComponents(Context, Model);
+                Transaction.Commit();
+
+                return ExistingAssembly.ViewModel;
+            }
+            catch
+            {
+                Transaction.Rollback();
+                throw;
+            }
+        }
+
+        public AssemblyViewModel? Delete(AssemblyBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var ExistingAssembly = Context.Assemblies.Include(x => x.Components).FirstOrDefault(x => x.Id == Model.Id);
+            if (ExistingAssembly == null)
+            {
+                return null;
+            }
+
+            Context.Assemblies.Remove(ExistingAssembly);
+            Context.SaveChanges();
+
+            return ExistingAssembly.ViewModel;
+        }
+    }
+}

ComputerShopDatabaseImplement/Implements/BatchStorage.cs

@@ -0,0 +1,111 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class BatchStorage : IBatchStorage
+	{
+		public List<BatchViewModel> GetFullList()
+		{
+			using var context = new ComputerShopDatabase();
+
+			return context.Batchs
+			.ToList()
+			.Select(x => x.GetViewModel)
+			.ToList();
+		}
+
+        public List<BatchViewModel> GetFilteredList(BatchSearchModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            //сортировка партий по дате
+            if (model.DateFrom.HasValue && model.DateTo.HasValue)
+            {
+                return context.Batchs
+                    .Where(x => (x.DateBatch >= model.DateFrom && x.DateBatch <= model.DateTo))
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+            }
+
+            //партии по товарам
+            return context.Batchs
+                .Where(x => x.ProductId == model.ProductId)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public BatchViewModel? GetElement(BatchSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			using var context = new ComputerShopDatabase();
+			return context.Batchs
+				.FirstOrDefault(x => x.Id == model.Id)
+				?.GetViewModel;
+		}
+
+		public BatchViewModel? Insert(BatchBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var newBatch = Batch.Create(context, model);
+
+			if (newBatch == null)
+			{
+				return null;
+			}
+			context.Batchs.Add(newBatch);
+			context.SaveChanges();
+
+			return newBatch.GetViewModel;
+		}
+
+		public BatchViewModel? Update(BatchBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			using var transaction = context.Database.BeginTransaction();
+			try
+			{
+				var batch = context.Batchs.FirstOrDefault(x => x.Id == model.Id);
+				if (batch == null)
+				{
+					return null;
+				}
+				batch.Update(model);
+				context.SaveChanges();
+				transaction.Commit();
+				return context.Batchs
+					.FirstOrDefault(x => x.Id == model.Id)?
+					.GetViewModel;
+			}
+			catch
+			{
+				transaction.Rollback();
+				throw;
+			}
+		}
+
+		public BatchViewModel? Delete(BatchBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var batch = context.Batchs.FirstOrDefault(y => y.Id == model.Id);
+			if (batch != null)
+			{
+				context.Batchs.Remove(batch);
+				context.SaveChanges();
+				return batch.GetViewModel;
+			}
+			return null;
+		}
+	}
+}

ComputerShopDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,82 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Components
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+            // колмплектующие по пользователям (дополнительно)
+            return Context.Components
+                .Where(x => x.UserId == Model.UserId)
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Components
+                .FirstOrDefault(x => x.Id == Model.Id)?
+                .ViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var NewComponent = Component.Create(Model);
+            Context.Components.Add(NewComponent);
+            Context.SaveChanges();
+
+            return NewComponent.ViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var ExistingComponent = Context.Components.FirstOrDefault(x => x.Id == Model.Id);
+            if (ExistingComponent == null)
+            {
+                return null;
+            }
+
+            ExistingComponent.Update(Model);
+            Context.SaveChanges();
+
+            return ExistingComponent.ViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var ExistingComponent = Context.Components.FirstOrDefault(x => x.Id == Model.Id);
+            if (ExistingComponent == null)
+            {
+                return null;
+            }
+
+            Context.Components.Remove(ExistingComponent);
+            Context.SaveChanges();
+
+            return ExistingComponent.ViewModel;
+        }
+    }
+}

ComputerShopDatabaseImplement/Implements/ProductStorage.cs

@@ -0,0 +1,102 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    public class ProductStorage : IProductStorage
+    {
+        public List<ProductViewModel> GetFullList()
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Products
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public List<ProductViewModel> GetFilteredList(ProductSearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            // сортировка по партиям
+            if (Model.BatchId.HasValue)
+            {
+                return Context.Products
+                    .Where(x => x.UserId == Model.UserId && x.BatchId == Model.BatchId)
+                    .Select(x => x.ViewModel)
+                    .ToList();
+            }
+
+            return Context.Products
+                .Where(x => x.UserId == Model.UserId)
+                .Select(x => x.ViewModel)
+                .ToList();
+        }
+
+        public ProductViewModel? GetElement(ProductSearchModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            return Context.Products
+                .FirstOrDefault(x => x.Id == Model.Id)?
+                .ViewModel;
+        }
+
+        public ProductViewModel? Insert(ProductBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var NewProduct = Product.Create(Context, Model);
+            Context.Products.Add(NewProduct);
+            Context.SaveChanges();
+
+            return NewProduct.ViewModel;
+        }
+
+        public ProductViewModel? Update(ProductBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+            using var Transaction = Context.Database.BeginTransaction();
+
+            try
+            {
+                var ExistingProduct = Context.Products.FirstOrDefault(x => x.Id == Model.Id);
+                if (ExistingProduct == null)
+                {
+                    return null;
+                }
+
+                ExistingProduct.Update(Model);
+                Context.SaveChanges();
+                Transaction.Commit();
+
+                return ExistingProduct.ViewModel;
+            }
+            catch
+            {
+                Transaction.Rollback();
+                throw;
+            }
+        }
+
+        public ProductViewModel? Delete(ProductBindingModel Model)
+        {
+            using var Context = new ComputerShopDatabase();
+
+            var ExistingProduct = Context.Products.FirstOrDefault(x => x.Id == Model.Id);
+            if (ExistingProduct == null)
+            {
+                return null;
+            }
+
+            Context.Products.Remove(ExistingProduct);
+            Context.SaveChanges();
+
+            return ExistingProduct.ViewModel;
+        }
+    }
+}

ComputerShopDatabaseImplement/Implements/RequestStorage.cs

@@ -0,0 +1,104 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class RequestStorage : IRequestStorage
+	{
+		public List<RequestViewModel> GetFullList()
+		{
+			using var context = new ComputerShopDatabase();
+			return context.Requests
+				.Include(x => x.Assembly)
+				.ToList()
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public RequestViewModel? GetElement(RequestSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			using var context = new ComputerShopDatabase();
+			return context.Requests
+				.Include(x => x.Assembly)
+				.FirstOrDefault(x => x.Id == model.Id)
+				?.GetViewModel;
+		}
+
+		public RequestViewModel? Insert(RequestBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var newRequest = Request.Create(context, model);
+			if (newRequest == null)
+			{
+				return null;
+			}
+			context.Requests.Add(newRequest);
+			context.SaveChanges();
+			return newRequest.GetViewModel;
+		}
+
+		public RequestViewModel? Update(RequestBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			using var transaction = context.Database.BeginTransaction();
+			try
+			{
+				var request = context.Requests.FirstOrDefault(x => x.Id == model.Id);
+				if (request == null)
+				{
+					return null;
+				}
+				request.Update(model);
+				context.SaveChanges();
+				transaction.Commit();
+				return request.GetViewModel;
+			}
+			catch
+			{
+				transaction.Rollback();
+				throw;
+			}
+		}
+
+		public RequestViewModel? Delete(RequestBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var request = context.Requests
+				.FirstOrDefault(y => y.Id == model.Id);
+			if (request != null)
+			{
+				context.Requests.Remove(request);
+				context.SaveChanges();
+				return request.GetViewModel;
+			}
+			return null;
+		}
+
+		public bool ConnectRequestAssembly(int requestId, int assemblyId)
+		{
+			using var context = new ComputerShopDatabase();
+			var request = context.Requests.FirstOrDefault(x => x.Id == requestId);
+			var assembly = context.Assemblies.FirstOrDefault(x => x.Id == assemblyId);
+			if (request == null || assembly == null)
+			{
+				return false;
+			}
+			request.ConnectAssembly(context, assemblyId);
+			context.SaveChanges();
+			return true;
+		}
+	}
+}

ComputerShopDatabaseImplement/Implements/UserStorage.cs

@@ -0,0 +1,68 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class UserStorage : IUserStorage
+	{
+		public List<UserViewModel> GetFullList()
+		{
+			using var context = new ComputerShopDatabase();
+			return context.Users.Select(x => x.GetViewModel).ToList();
+		}
+
+
+		public UserViewModel? GetElement(UserSearchModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			return context.Users.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+		}
+
+		public UserViewModel? Insert(UserBindingModel model)
+		{
+			var newUser = User.Create(model);
+			if (newUser == null)
+			{
+				return null;
+			}
+			using var context = new ComputerShopDatabase();
+			context.Users.Add(newUser);
+			context.SaveChanges();
+			return newUser.GetViewModel;
+		}
+
+		public UserViewModel? Update(UserBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var user = context.Users.FirstOrDefault(x => x.Id == model.Id);
+			if (user == null)
+			{
+				return null;
+			}
+			user.Update(model);
+			context.SaveChanges();
+			return user.GetViewModel;
+		}
+
+		public UserViewModel? Delete(UserBindingModel model)
+		{
+			using var context = new ComputerShopDatabase();
+			var user = context.Users.FirstOrDefault(rec => rec.Id == model.Id);
+			if (user != null)
+			{
+				context.Users.Remove(user);
+				context.SaveChanges();
+				return user.GetViewModel;
+			}
+			return null;
+		}
+	}
+}

ComputerShopDatabaseImplement/Models/Assembly.cs

@@ -0,0 +1,115 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class Assembly : IAssemblyModel
+	{
+		public int Id { get; private set; }
+
+        [Required]
+        public string AssemblyName { get; private set; } = string.Empty;
+
+        [Required]
+        public double Cost { get; private set; }
+
+        [Required]
+		public int UserId { get; private set; }
+
+		[ForeignKey("ComponentId")]
+		public virtual List<AssemblyComponent> Components { get; set; } = new();
+
+		private Dictionary<int, (IComponentModel, int)>? _assemblyComponents;
+
+		[NotMapped]
+		public Dictionary<int, (IComponentModel, int)> AssemblyComponents
+		{
+			get
+			{
+				if (_assemblyComponents == null)
+				{
+					_assemblyComponents = Components.ToDictionary(
+						AsmComp => AsmComp.ComponentId, 
+						AsmComp => (AsmComp.Component as IComponentModel, AsmComp.Count)
+					);
+				}
+
+				return _assemblyComponents;
+			}
+		}
+
+		public static Assembly Create(ComputerShopDatabase Context, AssemblyBindingModel Model)
+		{
+			return new()
+			{
+				Id = Model.Id,
+                AssemblyName = Model.AssemblyName,
+                Cost = Model.Cost,
+                UserId = Model.UserId,	
+				Components = Model.AssemblyComponents.Select(x => new AssemblyComponent
+				{
+					Component = Context.Components.First(y => y.Id == x.Key),
+					Count = x.Value.Item2
+				}).ToList(),
+			};
+		}
+
+        public void Update(AssemblyBindingModel Model)
+        {
+            if (!string.IsNullOrEmpty(Model.AssemblyName))
+            {
+                AssemblyName = Model.AssemblyName;
+            }
+
+            Cost = Model.Cost;
+        }
+
+        public void UpdateComponents(ComputerShopDatabase Context, AssemblyBindingModel Model)
+        {
+            var AssemblyComponents = Context.AssemblyComponents.Where(x => x.AssemblyId == Model.Id).ToList();
+            if (AssemblyComponents != null && AssemblyComponents.Count > 0)
+            {
+                Context.AssemblyComponents
+                    .RemoveRange(AssemblyComponents
+                    .Where(x => !Model.AssemblyComponents.ContainsKey(x.ComponentId)));
+                Context.SaveChanges();
+
+                foreach (var ComponentToUpdate in AssemblyComponents)
+                {
+                    ComponentToUpdate.Count = Model.AssemblyComponents[ComponentToUpdate.ComponentId].Item2;
+                    Model.AssemblyComponents.Remove(ComponentToUpdate.ComponentId);
+                }
+
+                Context.SaveChanges();
+            }
+
+            var CurrentAssembly = Context.Assemblies.First(x => x.Id == Id);
+            foreach (var AssemblyComponent in Model.AssemblyComponents)
+            {
+                Context.AssemblyComponents.Add(new AssemblyComponent
+                {
+                    Assembly = CurrentAssembly,
+                    Component = Context.Components.First(x => x.Id == AssemblyComponent.Key),
+                    Count = AssemblyComponent.Value.Item2
+                });
+
+                Context.SaveChanges();
+            }
+
+            _assemblyComponents = null;
+        }
+
+        public AssemblyViewModel ViewModel => new()
+        {
+            Id = Id,
+            AssemblyName = AssemblyName,
+            Cost = Cost,
+            UserId = UserId,
+            AssemblyComponents = AssemblyComponents,
+        };
+
+    }
+}

ComputerShopDatabaseImplement/Models/AssemblyComponent.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class AssemblyComponent
+	{
+		public int Id { get; set; }
+
+		[Required]
+		public int AssemblyId { get; set; }
+
+		[Required]
+		public int ComponentId { get; set; }
+
+		[Required]
+		public int Count { get; set; }
+
+		public virtual Assembly Assembly { get; set; } = new();
+
+		public virtual Component Component { get; set; } = new();
+	}
+}

ComputerShopDatabaseImplement/Models/Batch.cs

@@ -0,0 +1,51 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+using Microsoft.IdentityModel.Tokens;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class Batch : IBatchModel
+	{
+		public int Id { get; set; }
+
+		[Required]
+		public DateTime DateBatch { get; set; } = DateTime.Now;
+
+        [Required]
+        public int ProductId { get; set; }
+        public static Batch Create(ComputerShopDatabase context, BatchBindingModel model)
+		{
+			return new Batch()
+			{
+				Id = model.Id,
+                DateBatch = model.DateBatch,
+                ProductId = model.ProductId,
+			};
+		}
+
+		public void Update(BatchBindingModel model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			ProductId = model.ProductId;
+            DateBatch = model.DateBatch;
+		}
+
+		public BatchViewModel GetViewModel => new()
+		{
+			Id = Id,
+            DateBatch = DateBatch,
+            ProductId = ProductId
+        };
+	}
+}

ComputerShopDatabaseImplement/Models/Component.cs

@@ -0,0 +1,56 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class Component : IComponentModel
+	{
+		public int Id { get; private set; }
+
+        [Required]
+        public double Cost { get; private set; }
+
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+
+        [Required]
+        public string Description { get; private set; } = string.Empty;
+
+        [Required]
+		public int UserId { get; private set; }
+
+
+		[ForeignKey("ComponentId")]
+		public virtual List<AssemblyComponent> AssemblyComponents { get; set; } = new();
+
+		public static Component Create(ComponentBindingModel Model)
+		{
+			return new()
+			{
+				Id = Model.Id,
+                Cost = Model.Cost,
+                ComponentName = Model.ComponentName,
+                UserId = Model.UserId,
+			};
+		}
+
+		public void Update(ComponentBindingModel Model)
+		{
+            Cost = Model.Cost;
+            ComponentName = Model.ComponentName;
+			
+		}
+
+		public ComponentViewModel ViewModel => new()
+		{
+			Id = Id,
+            Cost = Cost,
+            ComponentName = ComponentName,
+            UserId = UserId,
+			
+		};
+	}
+}

ComputerShopDatabaseImplement/Models/Product.cs

@@ -0,0 +1,67 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class Product : IProductModel
+	{
+		public int Id { get; set; }
+
+        [Required]
+        public double Cost { get; set; }
+
+        [Required]
+        public string ProductName { get; set; } = string.Empty;
+
+        [Required]
+        public string Description { get; set; } = string.Empty;
+
+        [Required]
+		public int UserId { get; set; }
+
+		public int? BatchId { get; set; }
+
+
+		public static Product Create(ComputerShopDatabase Context, ProductBindingModel Model)
+		{
+			return new()
+			{
+				Id = Model.Id,
+                Cost = Model.Cost,
+                ProductName = Model.ProductName,
+                Description = Model.Description,
+                UserId = Model.UserId,		
+                BatchId = Model.BatchId,
+			};
+		}
+
+        public void Update(ProductBindingModel Model)
+        {
+            if (!string.IsNullOrEmpty(Model.ProductName))
+            {
+                ProductName = Model.ProductName;
+            }
+
+            Cost = Model.Cost;
+            ProductName = Model.ProductName;
+            Description = Model.Description;
+            UserId = Model.UserId;
+            BatchId = Model.BatchId;
+        }
+
+        public ProductViewModel ViewModel => new()
+        {
+            Id = Id,
+            Cost = Cost,
+            ProductName = ProductName,
+            Description = Description,
+            UserId = UserId,
+            BatchId = BatchId,
+        };
+
+    }
+
+}

ComputerShopDatabaseImplement/Models/Request.cs

@@ -0,0 +1,58 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class Request : IRequestModel
+	{
+		public int Id { get; set; }
+
+
+		public int? AssemblyId { get; set; }
+
+		public virtual Assembly? Assembly { get; set; } = new();
+
+		[Required]
+		public DateTime DateRequest { get; set; }
+
+
+		public static Request Create(ComputerShopDatabase context, RequestBindingModel model)
+		{
+			return new Request() {
+				Id = model.Id,
+				AssemblyId = model.AssemblyId,
+				Assembly = model.AssemblyId.HasValue ? context.Assemblies.First(x => x.Id == model.AssemblyId) : null,
+				DateRequest = model.DateRequest,
+			};
+		}
+
+		public void Update(RequestBindingModel model)
+		{
+			if (model == null) { 
+				return; 
+			}
+		}
+
+		public RequestViewModel GetViewModel => new()
+		{
+			Id = Id,
+			AssemblyId = AssemblyId,
+			Assembly = Assembly,
+			DateRequest = DateRequest,
+		};
+	
+		public void ConnectAssembly(ComputerShopDatabase context, int assemblyId)
+		{
+			AssemblyId = assemblyId;
+			Assembly = context.Assemblies.First(x => x.Id == assemblyId);
+		}
+	}
+}

ComputerShopDatabaseImplement/Models/User.cs

@@ -0,0 +1,70 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+	public class User : IUserModel
+	{
+		public int Id { get; private set; }
+
+        [Required]
+        public string Fio { get; set; } = string.Empty;
+
+        [Required]
+        public string PhoneNumber { get; set; } = string.Empty;
+
+        [Required]
+		public string Login { get; set; } = string.Empty;
+
+		[Required]
+		public string Password { get; set; } = string.Empty;
+
+		[Required]
+		public string Email { get; set; } = string.Empty;
+
+
+		public static User Create(UserBindingModel model)
+		{
+			return new User
+			{
+				Id = model.Id,
+                Fio = model.Fio,
+                PhoneNumber = model.PhoneNumber,
+                Login = model.Login,
+				Password = model.Password,
+				Email = model.Email,
+			};
+		}
+
+		public void Update(UserBindingModel model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			Fio = model.Fio;
+			PhoneNumber = model.PhoneNumber;
+			Login = model.Login;
+			Password = model.Password;
+			Email = model.Email;
+		}
+
+		public UserViewModel GetViewModel => new()
+		{
+			Id = Id,
+            Fio = Fio,
+            PhoneNumber = PhoneNumber,
+            Login = Login,
+			Password = Password,
+			Email = Email,
+		};
+	}
+}

README.md

@@ -1,3 +1,5 @@
-# PIbd-21_Medvedkov_Coursach
+# Курсовая работа "Магазин компьютерной техники "Ты ж программист"."
 
-9.4 Магазин компьютерной техники «Ты ж программист». Поручитель.
+Роли:
+- Исполнитель (9.3) - Чернышев Г.Я.
+- Поручитель (9.4) - Шабунов О.А.