Fix Name property in search models (because it's unique)

ComputerShopBusinessLogic/BusinessLogics/ComponentLogic.cs

@@ -0,0 +1,114 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace ComputerShopBusinessLogic.BusinessLogics
+{
+	public class ComponentLogic : IComponentLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IComponentStorage _componentStorage;
+
+		public ComponentLogic(ILogger Logger, IComponentStorage ComponentStorage)
+		{
+			_logger = Logger;
+			_componentStorage = ComponentStorage;
+		}
+
+		public List<ComponentViewModel>? ReadList(ComponentSearchModel? Model)
+		{
+			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));
+
+			var Element = _componentStorage.GetElement(Model);
+			if (Element == null)
+			{
+				_logger.LogWarning("ReadElement component not found");
+				return null;
+			}
+			
+			_logger.LogInformation("ReadElement component found. 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) is 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 ArgumentException($"У комплектующей отсутствует название");
+
+			if (Model.Cost <= 0)
+				throw new ArgumentException("Цена комплектующей должна быть больше 0", nameof(Model.Cost));
+
+			var Element = _componentStorage.GetElement(new ComponentSearchModel
+			{
+				ComponentName = Model.ComponentName
+			});
+
+			if (Element != null && Element.Id != Model.Id)
+				throw new InvalidOperationException("Комплектующая с таким названием уже есть");
+		}
+	}
+}

ComputerShopContracts/SearchModels/AssemblySearchModel.cs

@@ -6,6 +6,8 @@
 
 		public int? UserId { get; set; }
 
+		public string? AssemblyName { get; set; }
+
 		public string? Category { get; set; }
 	}
 }

ComputerShopContracts/SearchModels/ComponentSearchModel.cs

@@ -5,5 +5,7 @@
 		public int? Id { get; set; }
 
 		public int? UserId { get; set; }
+
+		public string? ComponentName { get; set; }
 	}
 }

ComputerShopContracts/SearchModels/ProductSearchModel.cs

@@ -7,5 +7,7 @@
 		public int? UserId { get; set; }
 
 		public int? ShipmentId { get; set; }
+
+		public string? ProductName { get; set; }
 	}
 }

ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs

@@ -47,6 +47,16 @@ namespace ComputerShopDatabaseImplement.Implements
 		{
 			using var Context = new ComputerShopDatabase();
 
+			// AssemblyName is unique
+			if (!string.IsNullOrEmpty(Model.AssemblyName))
+			{
+				return Context.Assemblies
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Assembly)
+					.FirstOrDefault(x => x.AssemblyName == Model.AssemblyName)?
+					.ViewModel;
+			}
+
 			return Context.Assemblies
 				.Include(x => x.Components)
 					.ThenInclude(x => x.Assembly)

ComputerShopDatabaseImplement/Implements/ComponentStorage.cs

@@ -31,6 +31,14 @@ namespace ComputerShopDatabaseImplement.Implements
 		{
 			using var Context = new ComputerShopDatabase();
 
+			// ComponentName is unique
+			if (!string.IsNullOrEmpty(Model.ComponentName))
+			{
+				return Context.Components
+					.FirstOrDefault(x => x.ComponentName == Model.ComponentName)?
+					.ViewModel;
+			}
+
 			return Context.Components
 				.FirstOrDefault(x => x.Id == Model.Id)?
 				.ViewModel;

ComputerShopDatabaseImplement/Implements/ProductStorage.cs

@@ -50,6 +50,17 @@ namespace ComputerShopDatabaseImplement.Implements
 		{
 			using var Context = new ComputerShopDatabase();
 
+			// ProductName is unique
+			if (!string.IsNullOrEmpty(Model.ProductName))
+			{
+				return Context.Products
+					.Include(x => x.Shipment)
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Product)
+					.FirstOrDefault(x => x.ProductName == Model.ProductName)?
+					.ViewModel;
+			}
+
 			return Context.Products
 				.Include(x => x.Shipment)
 				.Include(x => x.Components)