пурчайз

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/ComponentBindingModel.cs

@@ -7,6 +7,6 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int Id { get; set; }
         public string Name { get; set; } = string.Empty;
         public double Cost { get; set; }
-        public int StoreKeeperId { get; set; }
+        public IStoreKeeperModel StoreKeeper { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/ComponentViewModel.cs

@@ -10,6 +10,6 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public string Name { get; set; } = string.Empty;
         [DisplayName("Цена")]
         public double Cost { get; set; }
-        public int StoreKeeperId { get; set; }
+        public IStoreKeeperModel StoreKeeper { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IComponentModel.cs

@@ -4,6 +4,6 @@
     {
         string Name { get; }
         double Cost { get; }
-        int StoreKeeperId { get; }
+        IStoreKeeperModel StoreKeeper { get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs

@@ -14,8 +14,9 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
         [Required]
         public double Cost { get; set; }
         [Required]
-        public int StoreKeeperId { get; private set; }
         public virtual StoreKeeper? StoreKeeper { get; set; }
+        [NotMapped]
+        IStoreKeeperModel IComponentModel.StoreKeeper => throw new NotImplementedException();
 
         [ForeignKey("ComponentId")]
         public virtual List<ProductComponent> ProductComponents { get; set; } = new();
@@ -30,7 +31,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
                 Id = model.Id,
                 Name = model.Name,
                 Cost = model.Cost,
-                StoreKeeper = context.StoreKeepers.First(x => x.Id == model.StoreKeeperId)
+                StoreKeeper = context.StoreKeepers.First(x => x.Id == model.StoreKeeper.Id)
             };
         }
         public void Update (ComponentBindingModel model)

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Purchase.cs

@@ -58,18 +58,25 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
                 Id = model.Id,
                 Cost = model.Cost,
                 DateCreate = model.DateCreate,
-                Builds = model.PurchaseBuilds.Select(x =>
-                new PurchaseBuild
-                {
-                    Build = context.Builds.First(y => y.Id == x.Key),
-                    Count = x.Value.Item2
-                }).ToList(),
-                Products = model.PurchaseProducts.Select(x =>
-                new PurchaseProduct
-                {
-                    Product = context.Products.First(z => z.Id == z.Key),
-                    Count = x.Value.Item2
-                }).ToList()
+                Builds = context.Builds
+                    .Where(b => model.PurchaseBuilds.ContainsKey(b.Id))
+                    .Select(b => new PurchaseBuild()
+                    {
+                        PurchaseId = model.Id,
+                        BuildId = b.Id,
+                        Build = b,
+                        Count = model.PurchaseProducts[b.Id].Item2
+                    }).ToList(),
+                Products = context.Products
+                    .Where(p => model.PurchaseProducts.ContainsKey(p.Id))
+                    .Select (p => new PurchaseProduct()
+                    {
+                        PurchaseId = model.Id,
+                        ProductId = p.Id,
+                        Product = p,
+                        Count = model.PurchaseProducts[p.Id].Item2
+                    })
+                    .ToList()
             };
         }
         public void Update(PurchaseBindingModel model)