Implement DataBase storages

ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs

@@ -0,0 +1,111 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class AssemblyStorage : IAssemblyStorage
+	{
+		public List<AssemblyViewModel> GetFullList()
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public List<AssemblyViewModel> GetFilteredList(AssemblySearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// Optional search by Category name
+			if (!string.IsNullOrEmpty(Model.Category))
+			{
+				return Context.Assemblies
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Assembly)
+					.Where(x => x.UserId == Model.UserId && x.Category == Model.Category)
+					.Select(x => x.ViewModel)
+					.ToList();
+			}
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.Where(x => x.UserId == Model.UserId)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public AssemblyViewModel? GetElement(AssemblySearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Assemblies
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Assembly)
+				.FirstOrDefault(x => x.Id == Model.Id)?
+				.ViewModel;
+		}
+
+		public AssemblyViewModel? Insert(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var NewAssembly = Assembly.Create(Context, Model);
+			Context.Assemblies.Add(NewAssembly);
+			Context.SaveChanges();
+
+			return NewAssembly.ViewModel;
+		}
+
+		public AssemblyViewModel? Update(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+			using var Transaction = Context.Database.BeginTransaction();
+
+			try
+			{
+				var ExistingAssembly = Context.Assemblies.FirstOrDefault(x => x.Id == Model.Id);
+				if (ExistingAssembly == null)
+				{
+					return null;
+				}
+
+				ExistingAssembly.Update(Model);
+				Context.SaveChanges();
+				ExistingAssembly.UpdateComponents(Context, Model);
+				Transaction.Commit();
+
+				return ExistingAssembly.ViewModel;
+			}
+			catch
+			{
+				Transaction.Rollback();
+				throw;
+			}
+		}
+
+		public AssemblyViewModel? Delete(AssemblyBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingAssembly = Context.Assemblies.Include(x => x.Components).FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingAssembly == null)
+			{
+				return null;
+			}
+
+			Context.Assemblies.Remove(ExistingAssembly);
+			Context.SaveChanges();
+
+			return ExistingAssembly.ViewModel;
+		}
+	}
+}

ComputerShopDatabaseImplement/Implements/ComponentStorage.cs

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

ComputerShopDatabaseImplement/Implements/ProductStorage.cs

@@ -0,0 +1,115 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+	public class ProductStorage : IProductStorage
+	{
+		public List<ProductViewModel> GetFullList()
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public List<ProductViewModel> GetFilteredList(ProductSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			// Optional search by Shipment
+			if (Model.ShipmentId.HasValue)
+			{
+				return Context.Products
+					.Include(x => x.Shipment)
+					.Include(x => x.Components)
+						.ThenInclude(x => x.Product)
+					.Where(x => x.UserId == Model.UserId && x.ShipmentId == Model.ShipmentId)
+					.Select(x => x.ViewModel)
+					.ToList();
+			}
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.Where(x => x.UserId == Model.UserId)
+				.Select(x => x.ViewModel)
+				.ToList();
+		}
+
+		public ProductViewModel? GetElement(ProductSearchModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			return Context.Products
+				.Include(x => x.Shipment)
+				.Include(x => x.Components)
+					.ThenInclude(x => x.Product)
+				.FirstOrDefault(x => x.Id == Model.Id)?
+				.ViewModel;
+		}
+
+		public ProductViewModel? Insert(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var NewProduct = Product.Create(Context, Model);
+			Context.Products.Add(NewProduct);
+			Context.SaveChanges();
+
+			return NewProduct.ViewModel;
+		}
+
+		public ProductViewModel? Update(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+			using var Transaction = Context.Database.BeginTransaction();
+
+			try
+			{
+				var ExistingProduct = Context.Products.FirstOrDefault(x => x.Id == Model.Id);
+				if (ExistingProduct == null)
+				{
+					return null;
+				}
+
+				ExistingProduct.Update(Model);
+				Context.SaveChanges();
+				ExistingProduct.UpdateComponents(Context, Model);
+				Transaction.Commit();
+
+				return ExistingProduct.ViewModel;
+			}
+			catch
+			{
+				Transaction.Rollback();
+				throw;
+			}
+		}
+
+		public ProductViewModel? Delete(ProductBindingModel Model)
+		{
+			using var Context = new ComputerShopDatabase();
+
+			var ExistingProduct = Context.Products.Include(x => x.Components).FirstOrDefault(x => x.Id == Model.Id);
+			if (ExistingProduct == null)
+			{
+				return null;
+			}
+
+			Context.Products.Remove(ExistingProduct);
+			Context.SaveChanges();
+
+			return ExistingProduct.ViewModel;
+		}
+	}
+}

ComputerShopDatabaseImplement/Models/Assembly.cs

@@ -79,7 +79,7 @@ namespace ComputerShopDatabaseImplement.Models
 			Cost = Model.Cost;
 		}
 
-		public AssemblyViewModel GetViewModel => new()
+		public AssemblyViewModel ViewModel => new()
 		{
 			Id = Id,
 			UserId = UserId,

ComputerShopDatabaseImplement/Models/Product.cs

@@ -78,15 +78,15 @@ namespace ComputerShopDatabaseImplement.Models
 			Warranty = Model.Warranty;
 		}
 
-		public ProductViewModel GetViewModel => new()
+		public ProductViewModel ViewModel => new()
 		{
 			Id = Id,
 			UserId = UserId,
 			ShipmentId = ShipmentId,
+			ProviderName = Shipment?.ProviderName,
 			Cost = Cost,
 			Warranty = Warranty,
 			ProductComponents = ProductComponents,
-			ProviderName = Shipment?.ProviderName,
 		};
 
 		public void UpdateComponents(ComputerShopDatabase Context, ProductBindingModel Model)