реализовал бизнес логику продукта и компонента

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/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/ComputerHardwareStoreBusinessLogic.csproj

@@ -6,6 +6,10 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj" />
   </ItemGroup>

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ComponentSearchModel.cs

@@ -3,6 +3,6 @@
     public class ComponentSearchModel
     {
         public int? Id { get; set; }
-        public string? ComponentName { get; set; }
+        public string? Name { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs

@@ -3,6 +3,6 @@
     public class ProductSearchModel
     {
         public int? Id { get; set; }
-        public string? ProductName { get; set; }
+        public string? Name { get; set; }
     }
 }