Добавлены некоторые модели

ComputerShopProvider/ComputerShopDatabaseImplement/ComputerShopDatabase.cs

@@ -23,5 +23,9 @@ namespace ComputerShopDatabaseImplement
         public virtual DbSet<Assembly> Assemblies { set; get; }
         public virtual DbSet<AssemblyComponent> AssemblyComponents { set; get; }
         public virtual DbSet<Purchase> Purchases { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Supply> Supplies { set; get; }
+        public virtual DbSet<SupplyOrder> SupplyOrders { set; get; }
+        public virtual DbSet<EquipmentReceiving> EquipmentReceivings { set; get; }
     }
 }

ComputerShopProvider/ComputerShopDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,49 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    internal class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new ComputerShopDatabase();
+            return context.Orders
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

ComputerShopProvider/ComputerShopDatabaseImplement/Models/Order.cs

@@ -0,0 +1,73 @@
+using ComputerShopContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using ComputerShopDataModels.Enums;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Models;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public double Sum { get; private set; }
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+        [ForeignKey("OrderId")]
+        public virtual List<SupplyOrder> SupplyOrders { get; set; } =
+        new();
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+            };
+        }
+        public static Order Create(OrderViewModel model)
+        {
+            return new Order
+            {
+                Id = model.Id,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+            };
+        }
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+    }
+}

ComputerShopProvider/ComputerShopDatabaseImplement/Models/SupplyOrder.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class SupplyOrder
+    {
+        public int Id { get; set; }
+        [Required]
+        public int SupplyId { get; set; }
+        [Required]
+        public int OrderId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Order Order { get; set; } = new();
+        public virtual Supply Supply { get; set; } = new();
+    }
+}