Полная реализация хранилищ

HardwareShop/HardwareShopDatabaseImplement/Implements/Storekeeper/OrderStorage.cs

@@ -1,12 +1,94 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using HardwareShopContracts.BindingModels;
+using HardwareShopContracts.SearchModels;
+using HardwareShopContracts.StoragesContracts;
+using HardwareShopContracts.ViewModels;
+using HardwareShopDatabaseImplement.Models.Storekeeper;
+using Microsoft.EntityFrameworkCore;
 
 namespace HardwareShopDatabaseImplement.Implements.Storekeeper
 {
-    public class OrderStorage
+    public class OrderStorage : IOrderStorage
     {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new HardwareShopDatabase();
+            var element = context.Orders
+                .Include(x => x.Good).Include(x => x.User)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HardwareShopDatabase();
+            return context.Orders
+                .Include(x => x.Good).Include(x => x.User)
+                .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new HardwareShopDatabase();
+            return context.Orders
+                .Include(x => x.Good).Include(x => x.User)
+                .Where(x => x.Id == model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new HardwareShopDatabase();
+            return context.Orders
+                .Include(x => x.Good).Include(x => x.User)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new HardwareShopDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders
+                          .Include(x => x.Good).Include(x => x.User)
+                          .FirstOrDefault(x => x.Id == newOrder.Id)
+                          ?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new HardwareShopDatabase();
+            var order = context.Orders
+                .Include(x => x.Good).Include(x => x.User)
+                .FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return order.GetViewModel;
+        }
     }
 }