законченная 3 лаба

ComputersShop/ComputersShop/Program.cs

@@ -1,7 +1,7 @@
 using ComputersShopBusinessLogic;
 using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.StoragesContracts;
-using ComputersShopFileImplement.Implements;
+using ComputersShopDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

ComputersShop/ComputersShopDatabaseImplement/Implements/ComponentStorage.cs

@@ -6,7 +6,7 @@ using ComputersShopDatabaseImplement.Models;
 
 namespace ComputersShopDatabaseImplement.Implements
 {
-    internal class ComponentStorage : IComponentStorage
+    public class ComponentStorage : IComponentStorage
     {
         public List<ComponentViewModel> GetFullList()
         {

ComputersShop/ComputersShopDatabaseImplement/Implements/ComputerStorage.cs

@@ -1,12 +1,102 @@
-using System;
+using ComputersShopContracts.BindingModels;
-using System.Collections.Generic;
+using ComputersShopContracts.SearchModels;
-using System.Linq;
+using ComputersShopContracts.StoragesContracts;
-using System.Text;
+using ComputersShopContracts.ViewModels;
-using System.Threading.Tasks;
+using ComputersShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
 
 namespace ComputersShopDatabaseImplement.Implements
 {
-    internal class ComputerStorage
+    public class ComputerStorage : IComputerStorage
     {
+        public List<ComputerViewModel> GetFullList()
+        {
+            using var context = new ComputersShopDatabase();
+            return context.Computers
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public List<ComputerViewModel> GetFilteredList(ComputerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComputerName))
+            {
+                return new();
+            }
+            using var context = new ComputersShopDatabase();
+            return context.Computers
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .Where(x => x.ComputerName.Contains(model.ComputerName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public ComputerViewModel? GetElement(ComputerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComputerName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputersShopDatabase();
+            return context.Computers
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComputerName) && x.ComputerName == model.ComputerName) || (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComputerViewModel? Insert(ComputerBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var newComputer = Computer.Create(context, model);
+            if (newComputer == null)
+            {
+                return null;
+            }
+            context.Computers.Add(newComputer);
+            context.SaveChanges();
+            return newComputer.GetViewModel;
+        }
+        public ComputerViewModel? Update(ComputerBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var computer = context.Computers.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (computer == null)
+                {
+                    return null;
+                }
+                computer.Update(model);
+                context.SaveChanges();
+                computer.UpdateComponents(context, model);
+                transaction.Commit();
+                return computer.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ComputerViewModel? Delete(ComputerBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var element = context.Computers
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Computers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
     }
 }

ComputersShop/ComputersShopDatabaseImplement/Implements/OrderStorage.cs

@@ -1,12 +1,91 @@
-using System;
+using ComputersShopContracts.BindingModels;
-using System.Collections.Generic;
+using ComputersShopContracts.SearchModels;
-using System.Linq;
+using ComputersShopContracts.StoragesContracts;
-using System.Text;
+using ComputersShopContracts.ViewModels;
-using System.Threading.Tasks;
+using ComputersShopDatabaseImplement.Models;
 
 namespace ComputersShopDatabaseImplement.Implements
 {
-    internal class OrderStorage
+    public class OrderStorage : IOrderStorage
     {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new ComputersShopDatabase();
+            List<OrderViewModel> orderList = context.Orders
+                .Select(x => x.GetViewModel)
+                .ToList();
+            foreach (var order in orderList)
+            {
+                string manufactureName = context.Computers
+                    .SingleOrDefault(x => x.Id == order.ComputerId)?.ComputerName ?? string.Empty;
+                order.ComputerName = manufactureName;
+            }
+            return orderList;
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new ComputersShopDatabase();
+            List<OrderViewModel> orderList = context.Orders
+                .Where(x => x.Id == model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+            foreach (var order in orderList)
+            {
+                string manufactureName = context.Computers
+                    .SingleOrDefault(x => x.Id == order.ComputerId)?.ComputerName ?? string.Empty;
+                order.ComputerName = manufactureName;
+            }
+            return orderList;
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputersShopDatabase();
+            return context.Orders
+                .FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new ComputersShopDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return order.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new ComputersShopDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
     }
 }

ComputersShop/ComputersShopDatabaseImplement/Models/Order.cs

@@ -20,6 +20,7 @@ namespace ComputersShopDatabaseImplement.Models
         [Required]
         public DateTime DateCreate { get; private set; } = DateTime.Now;
         public DateTime? DateImplement { get; private set; }
+
         public static Order? Create(OrderBindingModel model)
         {
             if (model == null)