Реализовал хранилища БД

InternetShop/InternetShopDatabase/Models/Order.cs

@@ -23,7 +23,7 @@ namespace InternetShopDatabase.Models
             ImagePath = ImagePath,
             ProductNames = ProductNames,
         };
-        public static Order? Create(OrderBindingModel model)
+        public static Order Create(OrderBindingModel model)
         {
             return new Order()
             {

InternetShop/InternetShopDatabase/Models/Product.cs

@@ -15,7 +15,7 @@ namespace InternetShopDatabase.Models
             Id = Id,
             Name = Name,
         };
-        public static Product? Create(ProductBindingModel model)
+        public static Product Create(ProductBindingModel model)
         {
             return new Product()
             {

InternetShop/InternetShopDatabase/Storages/OrderStorage.cs

@@ -0,0 +1,75 @@
+using InternetShopContracts.DataBindingModels;
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+using InternetShopContracts.StorageContracts;
+using InternetShopDatabase.Models;
+
+namespace InternetShopDatabase.Storages
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (item != null)
+            {
+                context.Orders.Remove(item);
+                context.SaveChanges();
+                return item.GetViewModel;
+            }
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            return GetFilteredList(model).FirstOrDefault();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            var elements = GetFullList();
+            if (model.Id != null)
+            {
+                elements = elements.Where(x => x.Id == model.Id).ToList();
+            }
+            if (model.CustomerFIO != null)
+            {
+                elements = elements.Where(x => x.CustomerFIO.Contains(model.CustomerFIO)).ToList();
+            }
+            if (model.CustomerEmail != null)
+            {
+                elements = elements.Where(x => x.CustomerEmail.Contains(model.CustomerEmail)).ToList();
+            }
+            return elements;
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new InternetShopDatabase();
+            return context.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = Order.Create(model);
+            context.Orders.Add(item);
+            context.SaveChanges();
+            return item.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (item == null)
+            {
+                return null;
+            }
+            item.Update(model);
+            context.SaveChanges();
+            return item.GetViewModel;
+        }
+    }
+}

InternetShop/InternetShopDatabase/Storages/ProductStorage.cs

@@ -0,0 +1,71 @@
+using InternetShopContracts.DataBindingModels;
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+using InternetShopContracts.StorageContracts;
+using InternetShopDatabase.Models;
+
+namespace InternetShopDatabase.Storages
+{
+    public class ProductStorage : IProductStorage
+    {
+        public ProductViewModel? Delete(ProductBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = context.Products.FirstOrDefault(rec => rec.Id == model.Id);
+            if (item != null)
+            {
+                context.Products.Remove(item);
+                context.SaveChanges();
+                return item.GetViewModel;
+            }
+            return null;
+        }
+
+        public ProductViewModel? GetElement(ProductSearchModel model)
+        {
+            return GetFilteredList(model).FirstOrDefault();
+        }
+
+        public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
+        {
+            var elements = GetFullList();
+            if (model.Id != null)
+            {
+                elements = elements.Where(x => x.Id == model.Id).ToList();
+            }
+            if (model.Name != null)
+            {
+                elements = elements.Where(x => x.Name.Contains(model.Name)).ToList();
+            }
+            return elements;
+        }
+
+        public List<ProductViewModel> GetFullList()
+        {
+            using var context = new InternetShopDatabase();
+            return context.Products.Select(x => x.GetViewModel).ToList();
+        }
+
+        public ProductViewModel Insert(ProductBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = Product.Create(model);
+            context.Products.Add(item);
+            context.SaveChanges();
+            return item.GetViewModel;
+        }
+
+        public ProductViewModel? Update(ProductBindingModel model)
+        {
+            using var context = new InternetShopDatabase();
+            var item = context.Products.FirstOrDefault(x => x.Id == model.Id);
+            if (item == null)
+            {
+                return null;
+            }
+            item.Update(model);
+            context.SaveChanges();
+            return item.GetViewModel;
+        }
+    }
+}