fix Db models

ElectronicsShop/ElectronicsShopContracts/BindingModels/OrderBindingModel.cs

@@ -14,8 +14,6 @@ namespace ElectronicsShopContracts.BindingModels
 
 		public int ClientID { get; set; }
 
-		public int? EmployeeID { get; set; }
-
 		public DateTime DateCreate { get; set; } = DateTime.Now;
 
 		public double Sum { get; set; }

ElectronicsShop/ElectronicsShopContracts/SearchModels/OrderSearchModel.cs

@@ -12,7 +12,6 @@ namespace ElectronicsShopContracts.SearchModels
     {
         public int? ID { get; set; }
         public int? ClientID { get; set; }
-        public int? EmployeeID { get; set; }
         public DateTime? DateFrom { get; set; }
         public DateTime? DateTo { get; set;}
     }

ElectronicsShop/ElectronicsShopContracts/ViewModels/OrderViewModel.cs

@@ -15,15 +15,13 @@ namespace ElectronicsShopContracts.ViewModels
 
 		public int ClientID { get; set; } 
 
-		public int? EmployeeID { get; set; }
-
 		[DisplayName("Дата заказа")]
 		public DateTime DateCreate { get; set; } = DateTime.Now;
 
 		[DisplayName("Сумма заказа")]
 		public double Sum { get; set; }
 
-		[DisplayName("Список продуктов")]
+		[DisplayName("Список товаров")]
         public Dictionary<int, (IProductModel, int)> ProductList { get; set; } = new();
 	}
 }

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/Client.cs

@@ -11,18 +11,23 @@ using System.Threading.Tasks;
 
 namespace ElectronicsShopDataBaseImplement.Models
 {
-    public class Client : IClientModel
+    public class Client : IClientModel {
-    {
         public int ID { get; set; }
+
         [Required]
         public string ClientFIO { get; set; } = string.Empty;
+
         [Required]
         public string Password { get; set; } = string.Empty;
+
         [Required]
         public string Email { get; set; } = string.Empty;
 
+        //незаконная магия ленивой загрузки
+        [ForeignKey("ClientID")]
+        public virtual List<Order> Orders { get; set; } = new();
 
-        public static Client? Create(ClientBindingModel model)
+        public static Client? Create(ClientBindingModel? model)
         {
             if(model == null)
             {
@@ -37,8 +42,7 @@ namespace ElectronicsShopDataBaseImplement.Models
             };
         }
 
-
+        public void Update(ClientBindingModel? model)
-        public void Update(ClientBindingModel model)
         {
             if (model == null)
             {

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/CostItem.cs

@@ -17,8 +17,10 @@ namespace ElectronicsShopDataBaseImplement.Models
 
         [ForeignKey("EmployeeID")]
         public int EmployeeID { get; set; }
+
         [Required]
         public string Name { get; set; }= string.Empty;
+
         [Required]
         public double Price { get; set; }
 
@@ -36,7 +38,7 @@ namespace ElectronicsShopDataBaseImplement.Models
                 Price = model.Price,
             };
         }
-        public void Update(CostItemBindingModel model)
+        public void Update(CostItemBindingModel? model)
         {
             if (model == null)
             {

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/Employee.cs

@@ -15,10 +15,13 @@ namespace ElectronicsShopDataBaseImplement.Models
     public class Employee : IEmployeeModel
     {
         public int ID { get; set; }
+
         [Required]
         public string EmployeeFIO { get; set; } = string.Empty;
+
         [Required]
         public string Login { get; set; } = string.Empty;
+
         [Required]
         public string Password { get; set; } = string.Empty;
 
@@ -36,7 +39,7 @@ namespace ElectronicsShopDataBaseImplement.Models
                 Password = model.Password,
             };
         }
-        public void Update(EmployeeBindingModel model)
+        public void Update(EmployeeBindingModel? model)
         {
             if (model == null)
             {

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/Order.cs

@@ -2,6 +2,7 @@
 using ElectronicsShopContracts.ViewModels;
 using ElectronicsShopDataModels.Enums;
 using ElectronicsShopDataModels.Models;
+using Microsoft.EntityFrameworkCore.Migrations;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
@@ -16,12 +17,13 @@ namespace ElectronicsShopDataBaseImplement.Models
     public class Order : IOrderModel
     {
         public int ID { get; set; }
+
         [Required]
         public double Sum { get; set; }
+
         [ForeignKey("ClientID")]
         public int ClientID { get; set; }
-        [ForeignKey("EmployeeID")]
+
-        public int? EmployeeID { get; set; }
         [Required]
         public DateTime DateCreate {  get; set; } = DateTime.Now;
  
@@ -38,8 +40,12 @@ namespace ElectronicsShopDataBaseImplement.Models
             }
         }
 
+        [ForeignKey("ProductID")]
         public virtual List<OrderProduct> Products { get; set; } = new();
 
+        [ForeignKey("PaymentID")]
+        public virtual List<Payment> Payments { get; set; } = new();
+
         public static Order? Create(Database context ,OrderBindingModel? model)
         {
             if (model == null)
@@ -51,7 +57,6 @@ namespace ElectronicsShopDataBaseImplement.Models
                 ID = model.ID,
                 ClientID=model.ClientID,
                 Sum = model.Sum,
-                EmployeeID=model.EmployeeID,
                 DateCreate = model.DateCreate,
                 Products = model.ProductList.Select(x => new OrderProduct
                 {
@@ -60,38 +65,36 @@ namespace ElectronicsShopDataBaseImplement.Models
                 }).ToList()
             };
         }
-        public void Update(Database context,OrderBindingModel model)
-        {
-            if (model == null)
-            {
-                return;
-            }
-            ClientID = model.ClientID;
-            Sum = model.Sum;
-            EmployeeID = model.EmployeeID;
-            DateCreate = model.DateCreate;
-            Products = model.ProductList.Select(x => new OrderProduct
-            {
-                _product = context.Products.First(y => y.ID == x.Key),
-                Count = x.Value.Item2
-            }).ToList();
-            //todo ProductList
-        }
 
         public OrderViewModel GetViewModel => new()
         {
             ID = ID,
             ClientID = ClientID,
             Sum = Sum,
-            EmployeeID = EmployeeID,
             DateCreate = DateCreate,
-            /*
-            ProductList = ProductList.Select(x => new OrderProducts
-            {
-                /_product = context.Products.First(y => y.ID == x.Key)
-                Count = x.Value.Item2
-            }).ToList()
-            */
         };
+
+        public void UpdateProducts(Database context,OrderBindingModel model) {
+            var orderProducts = context.OrderProducts.Where(rec => rec.ProductID == model.ID).ToList();
+            if (orderProducts != null && orderProducts.Count > 0) {
+                context.OrderProducts.RemoveRange(orderProducts.Where(rec => !model.ProductList.ContainsKey(rec.ProductID)));
+                context.SaveChanges();
+                foreach (var updateProducts in orderProducts) {
+                    updateProducts.Count = model.ProductList[updateProducts.ProductID].Item2;
+                    model.ProductList.Remove(updateProducts.ProductID);
+                }
+                context.SaveChanges();
+            }
+            var order = context.Orders.First(x => x.ID == ID);
+            foreach (var op in model.ProductList) {
+                context.OrderProducts.Add(new OrderProduct {
+                    _order = order,
+                    _product = context.Products.First(x => x.ID == op.Key),
+                    Count = op.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _productList = null;
+        }
 	}
 }

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/OrderProduct.cs

@@ -20,7 +20,10 @@ namespace ElectronicsShopDataBaseImplement.Models
         [Required]
         public int Count { get; set; }
 
+        [ForeignKey("OrderID")]
         public virtual Order _order { get; set; } = new();
+
+        [ForeignKey("ProductID")]
         public virtual Product _product { get; set; } = new();
     }
 }

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/Payment.cs

@@ -16,14 +16,19 @@ namespace ElectronicsShopDataBaseImplement.Models
     public class Payment : IPaymentModel
     {
         public int ID {  get; set; }
+
         [ForeignKey("ProductID")]
         public int ProductID { get; set; }
+
         [ForeignKey("OrderID")]
         public int OrderID { get; set; }
+
         [Required]
         public double SumPayment { get; set; }
+
         [Required]
         public PaymeantOption PayOption { get; set; } = PaymeantOption.Неоплачено;
+
         public static Payment? Create(PaymentBindingModel? model)
         {
             if (model == null)
@@ -39,7 +44,7 @@ namespace ElectronicsShopDataBaseImplement.Models
                 PayOption = model.PayOption,
             };
         }
-        public void Update(PaymentBindingModel model)
+        public void Update(PaymentBindingModel? model)
         {
             if (model == null)
             {

ElectronicsShop/ElectronicsShopDataBaseImplement/Models/Product.cs

@@ -15,10 +15,13 @@ namespace ElectronicsShopDataBaseImplement.Models
     public class Product : IProductModel
     {
         public int ID { get; set; }
+
         [Required]
         public string ProductName { get; set; } = string.Empty;
+
         [Required]
         public double Price { get; set; }
+
         [ForeignKey("CostItemID")]
         public int CostItemID {  get; set; }
 
@@ -28,15 +31,14 @@ namespace ElectronicsShopDataBaseImplement.Models
             {
                 return null;
             }
-            return new Product()
+            return new Product() {
-            {
                 ID = model.ID,
                 ProductName = model.ProductName,
                 Price = model.Price,
                 CostItemID = model.CostItemID,
             };
         }
-        public void Update(ProductBindingModel model)
+        public void Update(ProductBindingModel? model)
         {
             if (model == null)
             {

ElectronicsShop/ElectronicsShopDataModels/Models/IOrderModel.cs

@@ -10,7 +10,6 @@ namespace ElectronicsShopDataModels.Models
     public interface IOrderModel : IID
     {
         int ClientID { get; }
-        int? EmployeeID { get; }
         DateTime DateCreate { get; }
 		double Sum { get; }
 

ElectronicsShop/ElectronicsShopDataModels/Models/IPaymentModel.cs

@@ -14,6 +14,5 @@ namespace ElectronicsShopDataModels.Models
         int OrderID { get; }
         double SumPayment { get; }
         PaymeantOption PayOption { get; }
-
     }
 }