начало 1 лабы

ComputersShop/ComputersShop.sln

@@ -3,7 +3,15 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputersShopView", "ComputersShopView\ComputersShopView.csproj", "{21D38D2F-5FB3-423E-86C1-B0496B9F9062}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputersShopView", "ComputersShopView\ComputersShopView.csproj", "{21D38D2F-5FB3-423E-86C1-B0496B9F9062}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputersShopDataModels", "ComputersShopDataModels\ComputersShopDataModels.csproj", "{EED0877E-3A07-4FF7-80AC-6DCB02D11D61}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputersShopContracts", "ComputersShopContracts\ComputersShopContracts.csproj", "{7404526F-8C94-457B-BF18-85445EADC75F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputersShopBusinessLogic", "ComputersShopBusinessLogic\ComputersShopBusinessLogic.csproj", "{5270DCF9-79F8-45B5-90F4-D460B0F0F571}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputersShopListImplement", "ComputersShopListImplement\ComputersShopListImplement.csproj", "{F4C10F5F-A602-48E7-9820-C26B774203E7}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +23,22 @@ Global
 		{21D38D2F-5FB3-423E-86C1-B0496B9F9062}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{21D38D2F-5FB3-423E-86C1-B0496B9F9062}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{21D38D2F-5FB3-423E-86C1-B0496B9F9062}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EED0877E-3A07-4FF7-80AC-6DCB02D11D61}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EED0877E-3A07-4FF7-80AC-6DCB02D11D61}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EED0877E-3A07-4FF7-80AC-6DCB02D11D61}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EED0877E-3A07-4FF7-80AC-6DCB02D11D61}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7404526F-8C94-457B-BF18-85445EADC75F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7404526F-8C94-457B-BF18-85445EADC75F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7404526F-8C94-457B-BF18-85445EADC75F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7404526F-8C94-457B-BF18-85445EADC75F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5270DCF9-79F8-45B5-90F4-D460B0F0F571}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5270DCF9-79F8-45B5-90F4-D460B0F0F571}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5270DCF9-79F8-45B5-90F4-D460B0F0F571}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5270DCF9-79F8-45B5-90F4-D460B0F0F571}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F4C10F5F-A602-48E7-9820-C26B774203E7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F4C10F5F-A602-48E7-9820-C26B774203E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F4C10F5F-A602-48E7-9820-C26B774203E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F4C10F5F-A602-48E7-9820-C26B774203E7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ComputersShop/ComputersShopBusinessLogic/ComponentLogic.cs

@@ -0,0 +1,114 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopBusinessLogic
+{
+	public class ComponentLogic : IComponentLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IComponentStorage _componentStorage;
+
+		public ComponentLogic(ILogger<ComponentLogic> logger, IComponentStorage componentStorage)
+		{
+			_logger = logger;
+			_componentStorage = componentStorage;
+		}
+
+		public List<ComponentViewModel>? ReadList(ComponentSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. ComponentName:{ComponentName}.Id:{ Id}", model?.ComponentName, model?.Id);
+			var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		public ComponentViewModel? ReadElement(ComponentSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentName:{ComponentName}.Id:{ Id}", model.ComponentName, model.Id);
+			var element = _componentStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+		public bool Create(ComponentBindingModel model)
+		{
+			CheckModel(model);
+			if (_componentStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+	    }
+		public bool Update(ComponentBindingModel model)
+		{
+			CheckModel(model);
+			if (_componentStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(ComponentBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_componentStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+		private void CheckModel(ComponentBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ComponentName))
+			{
+				throw new ArgumentNullException("Нет названия компонента", nameof(model.ComponentName));
+			}
+			if (model.Cost <= 0)
+			{
+				throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Cost));
+		    }
+			_logger.LogInformation("Component. ComponentName:{ComponentName}.Cost:{ Cost}. Id: { Id}", model.ComponentName, model.Cost, model.Id);
+			var element = _componentStorage.GetElement(new ComponentSearchModel
+			{
+				 ComponentName = model.ComponentName
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Компонент с таким названием уже есть");
+		    }
+		}
+	}
+}

ComputersShop/ComputersShopBusinessLogic/ComputerLogic.cs

@@ -0,0 +1,119 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopBusinessLogic
+{
+	public class ComputerLogic : IComputerLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IComputerStorage _computerStorage;
+
+		public ComputerLogic(ILogger<ComputerLogic> logger, IComputerStorage computerStorage)
+		{
+			_logger = logger;
+			_computerStorage = computerStorage;
+		}
+
+		public List<ComputerViewModel>? ReadList(ComputerSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. ComputerName:{ComputerName}.Id:{ Id}", model?.ComputerName, model?.Id);
+			var list = model == null ? _computerStorage.GetFullList() : _computerStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public ComputerViewModel? ReadElement(ComputerSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComputerName:{ComputerName}.Id:{ Id}", model.ComputerName, model.Id);
+			var element = _computerStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(ComputerBindingModel model)
+		{
+			CheckModel(model);
+			if (_computerStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(ComputerBindingModel model)
+		{
+			CheckModel(model);
+			if (_computerStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(ComputerBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_computerStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(ComputerBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ComputerName))
+			{
+				throw new ArgumentNullException("Нет названия компьютера", nameof(model.ComputerName));
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена компьютера должна быть больше 0", nameof(model.Price));
+			}
+			_logger.LogInformation("Computer. ComputerName:{ComputerName}.Cost:{ Cost}. Id: { Id}", model.ComputerName, model.Price, model.Id);
+			var element = _computerStorage.GetElement(new ComputerSearchModel
+			{
+				ComputerName = model.ComputerName
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Компьютер с таким названием уже есть");
+			}
+		}
+	}
+}

ComputersShop/ComputersShopBusinessLogic/ComputersShopBusinessLogic.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="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputersShopContracts\ComputersShopContracts.csproj" />
+  </ItemGroup>
+
+</Project>

ComputersShop/ComputersShopBusinessLogic/OrderLogic.cs

@@ -0,0 +1,116 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopBusinessLogic
+{
+	public class OrderLogic : IOrderLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IOrderStorage _orderStorage;
+
+		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+		{
+			_logger = logger;
+			_orderStorage = orderStorage;
+		}
+
+		public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. OrderId:{ Id}", model?.Id);
+			var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public bool CreateOrder(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if(!CheckStatus(model, OrderStatus.Принят, false)) return false;
+			if (_orderStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool TakeOrderInWork(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (!CheckStatus(model, OrderStatus.Выполняется)) return false;
+			return true;
+		}
+
+		public bool DeliveryOrder(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (!CheckStatus(model, OrderStatus.Готов)) return false;
+			return true;
+		}
+
+		public bool FinishOrder(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (!CheckStatus(model, OrderStatus.Выдан)) return false;
+			return true;
+		}
+
+		private void CheckModel(OrderBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.ComputerId < 0)
+			{
+				throw new ArgumentNullException("Некорректный идентификатор компьютера", nameof(model.ComputerId));
+			}
+			if (model.Count <= 0)
+			{
+				throw new ArgumentNullException("Количество компьютеров в заказе должно быть больше 0", nameof(model.Count));
+			}
+			if (model.Sum <= 0)
+			{
+				throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
+			}
+			_logger.LogInformation("Order. OrderId:{Id}.Sum:{ Sum}. ComputerId: { ComputerId}", model.Id, model.Sum, model.ComputerId);
+		}
+
+		private bool CheckStatus(OrderBindingModel model, OrderStatus newstatus, bool update = true)
+		{
+			if (model.Status != newstatus - 1)
+			{
+				_logger.LogWarning("Failed to change status");
+				return false;
+			}
+			model.Status = newstatus;
+			if(!update) return true;
+			if (_orderStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
+			return true;
+		}
+	}
+}

ComputersShop/ComputersShopContracts/BindingModels/ComponentBindingModel.cs

@@ -0,0 +1,17 @@
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BindingModels
+{
+	public class ComponentBindingModel : IComponentModel
+	{
+		public int Id { get; set; }
+		public string ComponentName { get; set; } = string.Empty;
+		public double Cost { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/BindingModels/ComputerBindingModel.cs

@@ -0,0 +1,20 @@
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BindingModels
+{
+	public class ComputerBindingModel : IComputerModel
+	{
+		public int Id { get; set; }
+
+		public string ComputerName { get; set; } = string.Empty;
+
+		public double Price { get; set; }
+
+		public Dictionary<int, (IComponentModel, int)> ComputerComponents { get; set; } = new();
+	}
+}

ComputersShop/ComputersShopContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,21 @@
+using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BindingModels
+{
+	public class OrderBindingModel : IOrderModel
+	{
+		public int Id { get; set; }
+		public int ComputerId { get; set; }
+		public int Count { get; set; }
+		public double Sum { get; set; }
+		public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+		public DateTime DateCreate { get; set; } = DateTime.Now;
+		public DateTime? DateImplement { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/BusinessLogicContracts/IComponentLogic.cs

@@ -0,0 +1,20 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.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);
+	}
+}

ComputersShop/ComputersShopContracts/BusinessLogicContracts/IComputerLogic.cs

@@ -0,0 +1,20 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BusinessLogicContracts
+{
+	public interface IComputerLogic
+	{
+		List<ComputerViewModel>? ReadList(ComputerSearchModel? model);
+		ComputerViewModel? ReadElement(ComputerSearchModel model);
+		bool Create(ComputerBindingModel model);
+		bool Update(ComputerBindingModel model);
+		bool Delete(ComputerBindingModel model);
+	}
+}

ComputersShop/ComputersShopContracts/BusinessLogicContracts/IOrderLogic.cs

@@ -0,0 +1,20 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BusinessLogicContracts
+{
+	public interface IOrderLogic
+	{
+		List<OrderViewModel>? ReadList(OrderSearchModel? model);
+		bool CreateOrder(OrderBindingModel model);
+		bool TakeOrderInWork(OrderBindingModel model);
+		bool FinishOrder(OrderBindingModel model);
+		bool DeliveryOrder(OrderBindingModel model);
+	}
+}

ComputersShop/ComputersShopContracts/ComputersShopContracts.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="..\ComputersShopDataModels\ComputersShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputersShop/ComputersShopContracts/SearchModels/ComponentSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.SearchModels
+{
+	public class ComponentSearchModel
+	{
+		public int? Id { get; set; }
+		public string? ComponentName { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/SearchModels/ComputerSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.SearchModels
+{
+	public class ComputerSearchModel
+	{
+		public int? Id { get; set; }
+		public string? ComputerName { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/SearchModels/OrderSearchModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.SearchModels
+{
+	public class OrderSearchModel
+	{
+		public int? Id { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/StoragesContracts/IComponentStorage.cs

@@ -0,0 +1,21 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+	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);
+	}
+}

ComputersShop/ComputersShopContracts/StoragesContracts/IComputerStorage.cs

@@ -0,0 +1,21 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+	public interface IComputerStorage
+	{
+		List<ComputerViewModel> GetFullList();
+		List<ComputerViewModel> GetFilteredList(ComputerSearchModel model);
+		ComputerViewModel? GetElement(ComputerSearchModel model);
+		ComputerViewModel? Insert(ComputerBindingModel model);
+		ComputerViewModel? Update(ComputerBindingModel model);
+		ComputerViewModel? Delete(ComputerBindingModel model);
+	}
+}

ComputersShop/ComputersShopContracts/StoragesContracts/IOrderStorage.cs

@@ -0,0 +1,21 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+	public interface IOrderStorage
+	{
+		List<OrderViewModel> GetFullList();
+		List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+		OrderViewModel? GetElement(OrderSearchModel model);
+		OrderViewModel? Insert(OrderBindingModel model);
+		OrderViewModel? Update(OrderBindingModel model);
+		OrderViewModel? Delete(OrderBindingModel model);
+	}
+}

ComputersShop/ComputersShopContracts/ViewModels/ComponentViewModel.cs

@@ -0,0 +1,19 @@
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.ViewModels
+{
+	public class ComponentViewModel : IComponentModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Название компонента")]
+		public string ComponentName { get; set; } = string.Empty;
+		[DisplayName("Цена")]
+		public double Cost { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/ViewModels/ComputerViewModel.cs

@@ -0,0 +1,27 @@
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.ViewModels
+{
+	public class ComputerViewModel : IComputerModel
+	{
+		public int Id { get; set; }
+
+		[DisplayName("Название компьютера")]
+		public string ComputerName { get; set; } = string.Empty;
+
+		[DisplayName("Цена")]
+		public double Price { get; set; }
+
+		public Dictionary<int, (IComponentModel, int)> ComputerComponents
+		{
+			get;
+			set;
+		} = new();
+	}
+}

ComputersShop/ComputersShopContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,30 @@
+using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.ViewModels
+{
+	public class OrderViewModel : IOrderModel
+	{
+		[DisplayName("Номер")]
+		public int Id { get; set; }
+		public int ComputerId { get; set; }
+		[DisplayName("Компьютер")]
+		public string ComputerName { get; set; } = string.Empty;
+		[DisplayName("Количество")]
+		public int Count { get; set; }
+		[DisplayName("Сумма")]
+		public double Sum { get; set; }
+		[DisplayName("Статус")]
+		public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+		[DisplayName("Дата создания")]
+		public DateTime DateCreate { get; set; } = DateTime.Now;
+		[DisplayName("Дата выполнения")]
+		public DateTime? DateImplement { get; set; }
+	}
+}

ComputersShop/ComputersShopDataModels/ComputersShopDataModels.csproj

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

ComputersShop/ComputersShopDataModels/Enums/OrderStatus.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Enums
+{
+	public enum OrderStatus
+	{
+		Неизвестен = -1,
+		Принят = 0,
+		Выполняется = 1,
+		Готов = 2,
+		Выдан = 3
+	}
+}

ComputersShop/ComputersShopDataModels/IId.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}

ComputersShop/ComputersShopDataModels/Models/IComponentModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Models
+{
+    public interface IComponentModel : IId
+	{
+		string ComponentName { get; }
+		double Cost { get; }
+	}
+}

ComputersShop/ComputersShopDataModels/Models/IComputerModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Models
+{
+    public interface IComputerModel : IId
+	{
+		string ComputerName { get; }
+		double Price { get; }
+		Dictionary<int, (IComponentModel, int)> ComputerComponents { get; }
+	}
+}

ComputersShop/ComputersShopDataModels/Models/IOrderModel.cs

@@ -0,0 +1,19 @@
+using ComputersShopDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Models
+{
+    public interface IOrderModel : IId
+	{
+		int ComputerId { get; }
+		int Count { get; }
+		double Sum { get; }
+		OrderStatus Status { get; }
+		DateTime DateCreate { get; }
+		DateTime? DateImplement { get; }
+	}
+}

ComputersShop/ComputersShopListImplement/ComputersShopListImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputersShopContracts\ComputersShopContracts.csproj" />
+    <ProjectReference Include="..\ComputersShopDataModels\ComputersShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputersShop/ComputersShopListImplement/DataListSingleton.cs

@@ -0,0 +1,31 @@
+using ComputersShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement
+{
+	public class DataListSingleton
+	{
+		private static DataListSingleton? _instance;
+		public List<Component> Components { get; set; }
+		public List<Order> Orders { get; set; }
+		public List<Computer> Computers { get; set; }
+		private DataListSingleton()
+		{
+			Components = new List<Component>();
+			Orders = new List<Order>();
+			Computers = new List<Computer>();
+		}
+		public static DataListSingleton GetInstance()
+		{
+			if (_instance == null)
+			{
+				_instance = new DataListSingleton();
+			}
+			return _instance;
+		}
+	}
+}

ComputersShop/ComputersShopListImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,106 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Implements
+{
+	public class ComponentStorage : IComponentStorage
+	{
+		private readonly DataListSingleton _source;
+		public ComponentStorage()
+		{
+			_source = DataListSingleton.GetInstance();
+		}
+		public List<ComponentViewModel> GetFullList()
+		{
+			var result = new List<ComponentViewModel>();
+			foreach (var component in _source.Components)
+			{
+				result.Add(component.GetViewModel);
+			}
+			return result;
+		}
+		public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+		{
+			var result = new List<ComponentViewModel>();
+			if (string.IsNullOrEmpty(model.ComponentName))
+			{
+				return result;
+			}
+			foreach (var component in _source.Components)
+			{
+				if (component.ComponentName.Contains(model.ComponentName))
+				{
+					result.Add(component.GetViewModel);
+				}
+			}
+			return result;
+		}
+		public ComponentViewModel? GetElement(ComponentSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			foreach (var component in _source.Components)
+			{
+				if ((!string.IsNullOrEmpty(model.ComponentName) && component.ComponentName == model.ComponentName) ||
+				(model.Id.HasValue && component.Id == model.Id))
+				{
+					return component.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public ComponentViewModel? Insert(ComponentBindingModel model)
+		{
+			model.Id = 1;
+			foreach (var component in _source.Components)
+			{
+				if (model.Id <= component.Id)
+				{
+					model.Id = component.Id + 1;
+				}
+			}
+			var newComponent = Component.Create(model);
+			if (newComponent == null)
+			{
+				return null;
+			}
+			_source.Components.Add(newComponent);
+			return newComponent.GetViewModel;
+		}
+		public ComponentViewModel? Update(ComponentBindingModel model)
+		{
+			foreach (var component in _source.Components)
+			{
+				if (component.Id == model.Id)
+				{
+					component.Update(model);
+					return component.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public ComponentViewModel? Delete(ComponentBindingModel model)
+		{
+			for (int i = 0; i < _source.Components.Count; ++i)
+			{
+				if (_source.Components[i].Id == model.Id)
+				{
+					var element = _source.Components[i];
+					_source.Components.RemoveAt(i);
+					return element.GetViewModel;
+				}
+			}
+			return null;
+		}
+	}
+}

ComputersShop/ComputersShopListImplement/Implements/ComputerStorage.cs

@@ -0,0 +1,106 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Implements
+{
+	public class ComputerStorage : IComputerStorage
+	{
+		private readonly DataListSingleton _source;
+		public ComputerStorage()
+		{
+			_source = DataListSingleton.GetInstance();
+		}
+		public List<ComputerViewModel> GetFullList()
+		{
+			var result = new List<ComputerViewModel>();
+			foreach (var Computer in _source.Computers)
+			{
+				result.Add(Computer.GetViewModel);
+			}
+			return result;
+		}
+		public List<ComputerViewModel> GetFilteredList(ComputerSearchModel model)
+		{
+			var result = new List<ComputerViewModel>();
+			if (string.IsNullOrEmpty(model.ComputerName))
+			{
+				return result;
+			}
+			foreach (var Computer in _source.Computers)
+			{
+				if (Computer.ComputerName.Contains(model.ComputerName))
+				{
+					result.Add(Computer.GetViewModel);
+				}
+			}
+			return result;
+		}
+		public ComputerViewModel? GetElement(ComputerSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.ComputerName) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			foreach (var Computer in _source.Computers)
+			{
+				if ((!string.IsNullOrEmpty(model.ComputerName) && Computer.ComputerName == model.ComputerName) ||
+				(model.Id.HasValue && Computer.Id == model.Id))
+				{
+					return Computer.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public ComputerViewModel? Insert(ComputerBindingModel model)
+		{
+			model.Id = 1;
+			foreach (var Computer in _source.Computers)
+			{
+				if (model.Id <= Computer.Id)
+				{
+					model.Id = Computer.Id + 1;
+				}
+			}
+			var newComputer = Computer.Create(model);
+			if (newComputer == null)
+			{
+				return null;
+			}
+			_source.Computers.Add(newComputer);
+			return newComputer.GetViewModel;
+		}
+		public ComputerViewModel? Update(ComputerBindingModel model)
+		{
+			foreach (var Computer in _source.Computers)
+			{
+				if (Computer.Id == model.Id)
+				{
+					Computer.Update(model);
+					return Computer.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public ComputerViewModel? Delete(ComputerBindingModel model)
+		{
+			for (int i = 0; i < _source.Computers.Count; ++i)
+			{
+				if (_source.Computers[i].Id == model.Id)
+				{
+					var element = _source.Computers[i];
+					_source.Computers.RemoveAt(i);
+					return element.GetViewModel;
+				}
+			}
+			return null;
+		}
+	}
+}

ComputersShop/ComputersShopListImplement/Implements/OrderStorage.cs

@@ -0,0 +1,106 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopListImplement;
+using ComputersShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrdersShopListImplement.Implements
+{
+	public class OrderStorage : IOrderStorage
+	{
+		private readonly DataListSingleton _source;
+		public OrderStorage()
+		{
+			_source = DataListSingleton.GetInstance();
+		}
+		public List<OrderViewModel> GetFullList()
+		{
+			var result = new List<OrderViewModel>();
+			foreach (var Order in _source.Orders)
+			{
+				result.Add(Order.GetViewModel);
+			}
+			return result;
+		}
+		public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+		{
+			var result = new List<OrderViewModel>();
+			if (model == null)
+			{
+				return result;
+			}
+			foreach (var Order in _source.Orders)
+			{
+				if (Order.Id == model.Id)
+				{
+					result.Add(Order.GetViewModel);
+				}
+			}
+			return result;
+		}
+		public OrderViewModel? GetElement(OrderSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			foreach (var Order in _source.Orders)
+			{
+				if (model.Id.HasValue && Order.Id == model.Id)
+				{
+					return Order.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public OrderViewModel? Insert(OrderBindingModel model)
+		{
+			model.Id = 1;
+			foreach (var Order in _source.Orders)
+			{
+				if (model.Id <= Order.Id)
+				{
+					model.Id = Order.Id + 1;
+				}
+			}
+			var newOrder = Order.Create(model);
+			if (newOrder == null)
+			{
+				return null;
+			}
+			_source.Orders.Add(newOrder);
+			return newOrder.GetViewModel;
+		}
+		public OrderViewModel? Update(OrderBindingModel model)
+		{
+			foreach (var Order in _source.Orders)
+			{
+				if (Order.Id == model.Id)
+				{
+					Order.Update(model);
+					return Order.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public OrderViewModel? Delete(OrderBindingModel model)
+		{
+			for (int i = 0; i < _source.Orders.Count; ++i)
+			{
+				if (_source.Orders[i].Id == model.Id)
+				{
+					var element = _source.Orders[i];
+					_source.Orders.RemoveAt(i);
+					return element.GetViewModel;
+				}
+			}
+			return null;
+		}
+	}
+}

ComputersShop/ComputersShopListImplement/Models/Component.cs

@@ -0,0 +1,46 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Models
+{
+	public class Component : IComponentModel
+	{
+		public int Id { get; private set; }
+		public string ComponentName { get; private set; } = string.Empty;
+		public double Cost { get; set; }
+		public static Component? Create(ComponentBindingModel? model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Component()
+			{
+				Id = model.Id,
+				ComponentName = model.ComponentName,
+				Cost = model.Cost
+			};
+		}
+		public void Update(ComponentBindingModel? model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			ComponentName = model.ComponentName;
+			Cost = model.Cost;
+		}
+		public ComponentViewModel GetViewModel => new()
+		{
+			Id = Id,
+			ComponentName = ComponentName,
+			Cost = Cost
+		};
+	}
+}

ComputersShop/ComputersShopListImplement/Models/Computer.cs

@@ -0,0 +1,54 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Models
+{
+	public class Computer : IComputerModel
+	{
+		public int Id { get; private set; }
+		public string ComputerName { get; private set; } = string.Empty;
+		public double Price { get; private set; }
+		public Dictionary<int, (IComponentModel, int)> ComputerComponents
+		{
+			get;
+			private set;
+		} = new Dictionary<int, (IComponentModel, int)>();
+		public static Computer? Create(ComputerBindingModel? model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Computer()
+			{
+				Id = model.Id,
+				ComputerName = model.ComputerName,
+				Price = model.Price,
+				ComputerComponents = model.ComputerComponents
+			};
+		}
+		public void Update(ComputerBindingModel? model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			ComputerName = model.ComputerName;
+			Price = model.Price;
+			ComputerComponents = model.ComputerComponents;
+		}
+		public ComputerViewModel GetViewModel => new()
+		{
+			Id = Id,
+			ComputerName = ComputerName,
+			Price = Price,
+			ComputerComponents = ComputerComponents
+		};
+	}
+}

ComputersShop/ComputersShopListImplement/Models/Order.cs

@@ -0,0 +1,73 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Models
+{
+	public class Order : IOrderModel
+	{
+		public int Id { get; private set; }
+
+		public int ComputerId { get; private set; }
+
+		public int Count { get; private set; }
+
+		public double Sum { get; private set; }
+
+		public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+
+		public DateTime DateCreate { get; set; } = DateTime.Now;
+
+		public DateTime? DateImplement { get; set; }
+
+		public static Order? Create(OrderBindingModel? model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Order()
+			{
+				Id = model.Id,
+				ComputerId = model.ComputerId,
+				Count = model.Count,
+				Sum = model.Sum,
+				Status = model.Status,
+				DateCreate = model.DateCreate,
+				DateImplement = model.DateImplement
+			};
+		}
+
+		public void Update(OrderBindingModel? model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			ComputerId = model.ComputerId;
+			Count = model.Count;
+			Sum = model.Sum;
+			Status = model.Status;
+			DateCreate = model.DateCreate;
+			DateImplement = model.DateImplement;
+		}
+		public OrderViewModel GetViewModel => new()
+		{
+			Id = Id,
+			ComputerId = ComputerId,
+			Count = Count,
+			Sum = Sum,
+			Status = Status,
+			DateCreate = DateCreate,
+			DateImplement = DateImplement
+		};
+	}
+}