логика сборки + логика покупок (подкорректированы purchaseBinding и BuildSearch)

Reviewed-on: #5

ComputerHardwareStore/ComputerHardwareStore.sln

@@ -5,6 +5,12 @@ VisualStudioVersion = 17.7.34031.279
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputerHardwareStore", "ComputerHardwareStore\ComputerHardwareStore.csproj", "{D5DDEE2B-A0C4-430B-B00E-452BA1AB3DDA}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreDataModels", "ComputerHardwareStoreDataModels\ComputerHardwareStoreDataModels.csproj", "{48126915-C6D4-451C-BC88-39E3C50332B8}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ComputerHardwareStoreContracts", "ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj", "{5F394E21-2597-432B-AE73-BBAFD8D9F50E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputerHardwareStoreBusinessLogic", "ComputerHardwareStoreBusinessLogic\ComputerHardwareStoreBusinessLogic.csproj", "{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +21,18 @@ Global
 		{D5DDEE2B-A0C4-430B-B00E-452BA1AB3DDA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D5DDEE2B-A0C4-430B-B00E-452BA1AB3DDA}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D5DDEE2B-A0C4-430B-B00E-452BA1AB3DDA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{48126915-C6D4-451C-BC88-39E3C50332B8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{48126915-C6D4-451C-BC88-39E3C50332B8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{48126915-C6D4-451C-BC88-39E3C50332B8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{48126915-C6D4-451C-BC88-39E3C50332B8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5F394E21-2597-432B-AE73-BBAFD8D9F50E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5F394E21-2597-432B-AE73-BBAFD8D9F50E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5F394E21-2597-432B-AE73-BBAFD8D9F50E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5F394E21-2597-432B-AE73-BBAFD8D9F50E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D32DEB60-AF40-46AF-8914-DC6A19BD66CD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ComputerHardwareStore/ComputerHardwareStore/ComputerHardwareStore.csproj

@@ -34,6 +34,27 @@
   </PropertyGroup>
   <ItemGroup>
     <None Include="App.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.8.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.DependencyInjection, Version=8.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.8.0.0\lib\net462\Microsoft.Extensions.DependencyInjection.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions, Version=8.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.Abstractions.8.0.0\lib\net462\Microsoft.Extensions.DependencyInjection.Abstractions.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.5.3\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

ComputerHardwareStore/ComputerHardwareStore/Program.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStore
+{
+    internal static class Program
+    {
+        static void Main()
+        {
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStore/packages.config

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.DependencyInjection" version="8.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="8.0.0" targetFramework="net48" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.3" targetFramework="net48" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net48" />
+</packages>

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/BuildLogic.cs

@@ -0,0 +1,113 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class BuildLogic : IBuildLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IBuildStorage _buildStorage;
+
+        public BuildLogic(ILogger<BuildLogic> logger, IBuildStorage buildStorage)
+        {
+            _logger = logger;
+            _buildStorage = buildStorage;
+        }
+
+        public List<BuildViewModel>? ReadList(BuildSearchModel? model)
+        {
+            _logger.LogInformation("ReadList Build. Name:{Name}. Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _buildStorage.GetFullList() :
+                _buildStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList Build return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList Build. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public BuildViewModel? ReadElement(BuildSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement Build. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _buildStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement Build element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement Build find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(BuildBindingModel model)
+        {
+            CheckModel(model);
+            if (_buildStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert Build operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(BuildBindingModel model)
+        {
+            CheckModel(model);
+            if (_buildStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update Build operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(BuildBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_buildStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete Build operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(BuildBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия сборки", nameof(model.Name));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена сборки должна быть больше 0", nameof(model.Price));
+            }
+            var element = _buildStorage.GetElement(new BuildSearchModel
+            {
+                Name = model.Name
+            });
+            if (element != null)
+            {
+                throw new InvalidOperationException("Сборка с таким названием уже есть");
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/CommentLogic.cs

@@ -0,0 +1,101 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class CommentLogic : ICommentLogic
+    {
+        private readonly ILogger _logger;
+        private readonly ICommentStorage _commentStorage;
+
+        public CommentLogic(ILogger<CommentLogic> logger, ICommentStorage commentStorage)
+        {
+            _logger = logger;
+            _commentStorage = commentStorage;
+        }
+
+        public List<CommentViewModel>? ReadList(CommentSearchModel? model)
+        {
+            _logger.LogInformation("ReadList Comment. Date:{Date}. Id:{Id}", model?.Date, model?.Id);
+            var list = model == null ? _commentStorage.GetFullList() :
+                _commentStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList Comment return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList Comment. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public CommentViewModel? ReadElement(CommentSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement Comment. Date:{Date}. Id:{ Id}", model.Date, model.Id);
+            var element = _commentStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement Comment element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement Comment find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(CommentBindingModel model)
+        {
+            CheckModel(model);
+            if (_commentStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert Comment operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(CommentBindingModel model)
+        {
+            CheckModel(model);
+            if (_commentStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update Comment operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(CommentBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_commentStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete Comment operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(CommentBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Date))
+            {
+                throw new ArgumentNullException("Нет даты у комментария", nameof(model.Date));
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/ComponentLogic.cs

@@ -0,0 +1,113 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    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 Component. Name:{Name}. Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _componentStorage.GetFullList() :
+                _componentStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList Component return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList Component. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public ComponentViewModel? ReadElement(ComponentSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement Component. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _componentStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement Component element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement Component find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(ComponentBindingModel model)
+        {
+            CheckModel(model);
+            if (_componentStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert Component operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(ComponentBindingModel model)
+        {
+            CheckModel(model);
+            if (_componentStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update Component 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 Component 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.Name))
+            {
+                throw new ArgumentNullException("Нет названия компонента", nameof(model.Name));
+            }
+            if (model.Cost <= 0)
+            {
+                throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Cost));
+            }
+            var element = _componentStorage.GetElement(new ComponentSearchModel
+            {
+                Name = model.Name
+            });
+            if (element != null)
+            {
+                throw new InvalidOperationException("Компонент с таким названием уже есть");
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -0,0 +1,115 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    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 (model.Status != OrderStatus.Неизвестен)
+                return false;
+            model.Status = OrderStatus.Принят;
+
+            if (_orderStorage.Insert(model) == null)
+            {
+                model.Status = OrderStatus.Неизвестен;
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            return ToNextStatus(model, OrderStatus.Выполняется);
+        }
+
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            return ToNextStatus(model, OrderStatus.Готов);
+        }
+
+        public bool DeliveryOrder(OrderBindingModel model)
+        {
+            return ToNextStatus(model, OrderStatus.Выдан);
+        }
+
+        public bool ToNextStatus(OrderBindingModel model, OrderStatus orderStatus)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel()
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                throw new ArgumentNullException(nameof(element));
+            }
+
+            model.OrderProduct = element.OrderProduct;
+            model.DateCreate = element.DateCreate;
+            model.Status = element.Status;
+            model.Cost = element.Cost;
+
+            if (model.Status != orderStatus - 1)
+            {
+                _logger.LogWarning("Status update to " + orderStatus + " operation failed");
+                return false;
+            }
+            model.Status = orderStatus;
+
+            if (_orderStorage.Update(model) == null)
+            {
+                model.Status--;
+                _logger.LogWarning("Changing status operation faled");
+                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.Cost <= 0)
+            {
+                throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Cost));
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/ProductLogic.cs

@@ -0,0 +1,115 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class ProductLogic : IProductLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IProductStorage _productStorage;
+
+        public ProductLogic(ILogger logger, IProductStorage productStorage)
+        {
+            _logger = logger;
+            _productStorage = productStorage;
+        }
+
+        public List<ProductViewModel>? ReadList(ProductSearchModel? model)
+        {
+            _logger.LogInformation("ReadList Product. Name:{Name}. Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ?
+                _productStorage.GetFullList() :
+                _productStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList Product return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList Product. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public ProductViewModel? ReadElement(ProductSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement Product. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _productStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement Product element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement Product find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(ProductBindingModel model)
+        {
+            CheckModel(model);
+            if (_productStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert Product operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(ProductBindingModel model)
+        {
+            CheckModel(model);
+            if (_productStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update Product Component operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(ProductBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_productStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete Product operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(ProductBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentException("Нет названия продукта", nameof(model.Name));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
+            }
+            var element = _productStorage.GetElement(new ProductSearchModel
+            {
+                Name = model.Name
+            });
+            if (element != null)
+            {
+                throw new InvalidOperationException("Продукт с таким названием уже есть");
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/PurchaseLogic.cs

@@ -0,0 +1,105 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class PurchaseLogic : IPurchaseLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IPurchaseStorage _purchaseStorage;
+
+        public PurchaseLogic(ILogger<PurchaseLogic> logger, IPurchaseStorage purchaseStorage)
+        {
+            _logger = logger;
+            _purchaseStorage = purchaseStorage;
+        }
+
+        public List<PurchaseViewModel>? ReadList(PurchaseSearchModel? model)
+        {
+            _logger.LogInformation("ReadList Purchase. Id:{ Id}", model?.Id);
+            var list = model == null ? _purchaseStorage.GetFullList() :
+                _purchaseStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList Purchase return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList Purchase. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public PurchaseViewModel? ReadElement(PurchaseSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement Purchase. Id:{ Id}", model.Id);
+            var element = _purchaseStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement Purchase element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement Purchase find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(PurchaseBindingModel model)
+        {
+            CheckModel(model);
+            if (_purchaseStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert Purchase operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(PurchaseBindingModel model)
+        {
+            CheckModel(model);
+            if (_purchaseStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update Purchase operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(PurchaseBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_purchaseStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete Purchase operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(PurchaseBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.DateCreate))
+            {
+                throw new ArgumentNullException("Нет даты создания покупки", nameof(model.Date));
+            }
+            if (model.Cost <= 0)
+            {
+                throw new ArgumentNullException("Стоимость покупки должна быть больше 0", nameof(model.Cost));
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/StoreKeeperLogic.cs

@@ -0,0 +1,107 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class StoreKeeperLogic : IStoreKeeperLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IStoreKeeperStorage _storeKeeperStorage;
+        public StoreKeeperLogic(ILogger<StoreKeeperLogic> logger, IStoreKeeperStorage storeKeeperStorage)
+        {
+            _logger = logger;
+            _storeKeeperStorage = storeKeeperStorage;
+        }
+        public List<StoreKeeperViewModel>? ReadList(StoreKeeperSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Login:{Login}.Id:{Id}", model?.Login, model?.Id);
+            var list = model == null ? _storeKeeperStorage.GetFullList() : _storeKeeperStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public StoreKeeperViewModel? ReadElement(StoreKeeperSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Login:{Login}.Id:{Id}", model.Login, model.Id);
+            var element = _storeKeeperStorage.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(StoreKeeperBindingModel model)
+        {
+            CheckModel(model);
+            if (_storeKeeperStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(StoreKeeperBindingModel model)
+        {
+            CheckModel(model);
+            if (_storeKeeperStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(StoreKeeperBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_storeKeeperStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(StoreKeeperBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина кладовщика", nameof(model.Login));
+            }
+            var element = _storeKeeperStorage.GetElement(new StoreKeeperSearchModel
+            {
+                Login = model.Login
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Кладовщик с таким логином уже есть");
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/VendorLogic.cs

@@ -0,0 +1,107 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.BusinessLogicsContracts;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
+{
+    public class VendorLogic : IVendorLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IVendorStorage _vendorStorage;
+        public VendorLogic(ILogger<VendorLogic> logger, IVendorStorage vendorStorage)
+        {
+            _logger = logger;
+            _vendorStorage = vendorStorage;
+        }
+        public List<VendorViewModel>? ReadList(VendorSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Login:{Login}.Id:{Id}", model?.Login, model?.Id);
+            var list = model == null ? _vendorStorage.GetFullList() : _vendorStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public VendorViewModel? ReadElement(VendorSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Login:{Login}.Id:{Id}", model.Login, model.Id);
+            var element = _vendorStorage.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(VendorBindingModel model)
+        {
+            CheckModel(model);
+            if (_vendorStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(VendorBindingModel model)
+        {
+            CheckModel(model);
+            if (_vendorStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(VendorBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_vendorStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(VendorBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина работника", nameof(model.Login));
+            }
+            var element = _vendorStorage.GetElement(new VendorSearchModel
+            {
+                Login = model.Login
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Работник с таким логином уже есть");
+            }
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/ComputerHardwareStoreBusinessLogic.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/BuildBindingModel.cs

@@ -0,0 +1,13 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class BuildBindingModel : IBuildModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Price { get; set; }
+        public int VendorId { get; set; }
+        public Dictionary<int, (IComponentModel, int)> BuildComponents { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/CommentBindingModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class CommentBindingModel : ICommentModel
+    {
+        public int Id { get; set; }
+        public DateTime Date { get; set; } = DateTime.Now;
+        public string Text { get; set; } = string.Empty;
+        public int BuildId { get; set; } 
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ComponentBindingModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class ComponentBindingModel : IComponentModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Cost { get; set; }
+        public int StoreKeeperId { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,17 @@
+using ComputerHardwareStoreDataModels.Enums;
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class OrderBindingModel : IOrderModel
+    {
+        public int Id { get; set; }
+        public int CannedId { get; set; }
+        public int Count { get; set; }
+        public double Cost { get; set; }
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime? DateImplement { get; set; }
+        public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ProductBindingModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class ProductBindingModel : IProductModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Price { get; set; }
+        public Dictionary<int, (IComponentModel, int)> ProductComponents { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/PurchaseBindingModel.cs

@@ -0,0 +1,14 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class PurchaseBindingModel : IPurchaseModel
+    {
+        public int Id { get; set; }
+        public int VendorId { get; set; }
+        public double Cost { get; set; }
+        public DateTime DateCreate { get; set; }
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; set; } = new();
+        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/StoreKeeperBindingModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class StoreKeeperBindingModel : IStoreKeeperModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public string Login { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/VendorBindingModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.BindingModels
+{
+    public class VendorBindingModel : IVendorModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public string Login { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IComponentLogic.cs

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

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface IOrderLogic
+    {
+        List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        bool CreateOrder(OrderBindingModel model);
+        bool TakeOrderInWork(OrderBindingModel model);
+        bool FinishOrder(OrderBindingModel model);
+        bool DeliveryOrder(OrderBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IProductLogic.cs

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

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IStoreKeeperLogic.cs

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

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IVendorLogic.cs

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

ComputerHardwareStore/ComputerHardwareStoreContracts/ComputerHardwareStoreContracts.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Remove="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerHardwareStoreDataModels\ComputerHardwareStoreDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/BuildSearchModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class BuildSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class CommentSearchModel
+    {
+        public int? Id { get; set; }
+        public DateTime? Date { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ComponentSearchModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class ComponentSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/OrderSearchModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class OrderSearchModel
+    {
+        public int? Id { get; set; }
+        public DateTime? DateFrom { get; set; }
+        public DateTime? DateTo { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs

@@ -0,0 +1,8 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class ProductSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/PurchaseSearchModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class PurchaseSearchModel
+    {
+        public int? Id { get; set; }
+        public DateTime? DateFrom { get; set; }
+        public DateTime? DateTo { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/StoreKeeperSearchModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class StoreKeeperSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Login { get; set; }
+        public string? Password { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/VendorSearchModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreContracts.SearchModels
+{
+    public class VendorSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Login { get; set; }
+        public string? Password { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IBuidStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    public interface IBuidStorage
+    {
+        List<BuildViewModel> GetFullList();
+        List<BuildViewModel> GetFilteredList(BuildSearchModel model);
+        BuildViewModel? GetElement(BuildSearchModel model);
+        BuildViewModel? Insert(BuildBindingModel model);
+        BuildViewModel? Update(BuildBindingModel model);
+        BuildViewModel? Delete(BuildBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/ICommentStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    public interface ICommentStorage
+    {
+        List<CommentViewModel> GetFullList();
+        List<CommentViewModel> GetFilteredList(CommentSearchModel model);
+        CommentViewModel? GetElement(CommentSearchModel model);
+        CommentViewModel? Insert(CommentBindingModel model);
+        CommentViewModel? Update(CommentBindingModel model);
+        CommentViewModel? Delete(CommentBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IComponentStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.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);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IOrderStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    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);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IProductStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.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);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IPurchaseStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    public interface IPurchaseStorage
+    {
+        List<PurchaseViewModel> GetFullList();
+        List<PurchaseViewModel> GetFilteredList(PurchaseSearchModel model);
+        PurchaseViewModel? GetElement(PurchaseSearchModel model);
+        PurchaseViewModel? Insert(PurchaseBindingModel model);
+        PurchaseViewModel? Update(PurchaseBindingModel model);
+        PurchaseViewModel? Delete(PurchaseBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IStoreKeeperStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    public interface IStoreKeeperStorage
+    {
+        List<StoreKeeperViewModel> GetFullList();
+        List<StoreKeeperViewModel> GetFilteredList(StoreKeeperSearchModel model);
+        StoreKeeperViewModel? GetElement(StoreKeeperSearchModel model);
+        StoreKeeperViewModel? Insert(StoreKeeperBindingModel model);
+        StoreKeeperViewModel? Update(StoreKeeperBindingModel model);
+        StoreKeeperViewModel? Delete(StoreKeeperBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IVendorStorage.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.StorageContracts
+{
+    public interface IVendorStorage
+    {
+        List<VendorViewModel> GetFullList();
+        List<VendorViewModel> GetFilteredList(VendorSearchModel model);
+        VendorViewModel? GetElement(VendorSearchModel model);
+        VendorViewModel? Insert(VendorBindingModel model);
+        VendorViewModel? Update(VendorBindingModel model);
+        VendorViewModel? Delete(VendorBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/BuildViewModel.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class BuildViewModel : IBuildModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название сборки")]
+        public string Name { get; } = string.Empty;
+        [DisplayName("Стоимость")]
+        public double Price { get; }
+        public int VendorId { get; }
+        public Dictionary<int, (IComponentModel, int)> BuildComponents { get; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/CommentViewModel.cs

@@ -0,0 +1,12 @@
+using ComputerHardwareStoreDataModels.Models;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class CommentViewModel : ICommentModel
+    {
+        public int Id { get; set; }
+        public DateTime Date { get; set; }
+        public string Text { get; set; } = string.Empty;
+        public int BuildId { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ComponentViewModel.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class ComponentViewModel : IComponentModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название компонента")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Cost { get; set; }
+        public int StoreKeeperId { get; set; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class OrderViewModel : IOrderModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Стоимость")]
+        public double Cost { get; set; }
+        [DisplayName("Дата создания")]
+        public DateTime DateCreate { get; set; }
+        public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ProductViewModel.cs

@@ -0,0 +1,17 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class ProductViewModel : IProductModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название изделия")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Price { get; set; }
+        public Dictionary<int, (IComponentModel, int)> CannedComponents { get; set; } = new();
+
+        public Dictionary<int, (IComponentModel, int)> ProductComponents => throw new NotImplementedException();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/PurchaseViewModel.cs

@@ -0,0 +1,20 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class PurchaseViewModel : IPurchaseModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Стоимость")]
+        public double Cost { get; set; }
+        [DisplayName("Дата создания")]
+        public DateTime DateCreate { get; set; }
+        public int VendorId { get; set; }
+        [DisplayName("Сумма")]
+        public double Sum { get; set; }
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; set; } = new();
+
+        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; set; } = new();
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/StoreKeeperViewModel.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class StoreKeeperViewModel : IStoreKeeperModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Имя кладовщика")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Логин")]
+        public string Login { get; set; } = string.Empty;
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/VendorViewModel.cs

@@ -0,0 +1,16 @@
+using ComputerHardwareStoreDataModels.Models;
+using System.ComponentModel;
+
+namespace ComputerHardwareStoreContracts.ViewModels
+{
+    public class VendorViewModel : IVendorModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Имя продавца")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Логин")]
+        public string Login { get; set; } = string.Empty;
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/ComputerHardwareStoreDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

ComputerHardwareStore/ComputerHardwareStoreDataModels/Enums/OrderStatus.cs

@@ -0,0 +1,11 @@
+namespace ComputerHardwareStoreDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Готов = 2,
+        Выдан = 3,
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/IId.cs

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

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IBuildModel.cs

@@ -0,0 +1,10 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IBuildModel : IId
+    {
+        string Name { get; }
+        double Price { get; }
+        int VendorId { get; }
+        public Dictionary<int, (IComponentModel, int)> BuildComponents { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/ICommentModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface ICommentModel : IId
+    {
+        DateTime Date { get; }
+        string Text { get; }
+        int BuildId { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IComponentModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IComponentModel : IId
+    {
+        string Name { get; }
+        double Cost { get; }
+        int StoreKeeperId { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IOrderModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+        double Cost { get; }
+        DateTime DateCreate { get; }
+        public Dictionary<int, (IProductModel, int)> OrderProduct { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IProductModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IProductModel : IId
+    {
+        string Name { get; }
+        double Price { get; }
+        public Dictionary<int, (IComponentModel, int)> ProductComponents { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IPurchaseModel.cs

@@ -0,0 +1,11 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IPurchaseModel : IId
+    {
+        int VendorId { get; }
+        double Cost { get; }
+        DateTime DateCreate { get; }
+        public Dictionary<int, (IBuildModel, int)> PurchaseBuild { get; }
+        public Dictionary<int, (IProductModel, int)> PurchaseProduct { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IStoreKeeperModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IStoreKeeperModel : IId
+    {
+        string Name { get; }
+        string Login { get; }
+        string Password { get; }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IVendorModel.cs

@@ -0,0 +1,9 @@
+namespace ComputerHardwareStoreDataModels.Models
+{
+    public interface IVendorModel : IId
+    {
+        string Name { get; }
+        string Login { get; }
+        string Password { get; }
+    }
+}