Доделал многие-ко-многим Машина Комплектация

CarCenter/CarCenterContracts/ViewModels/CarViewModel.cs

@@ -15,7 +15,7 @@ namespace CarCenterContracts.ViewModels
 		public int? FeatureId { get; set; }
 		[DisplayName("Цена особенности")]
 		public double FeaturePrice { get; set; }
-		public int? StorekeeperId { get; set; }
+		public int StorekeeperId { get; set; }
 		[DisplayName("Имя работника")]
 		public string StorekeeperName { get; set; } = string.Empty;
 		[DisplayName("Марка")]

CarCenter/CarCenterDatabaseImplement/CarCenterDatabase.cs

@@ -29,5 +29,6 @@ namespace CarCenterDatabaseImplement
 		public virtual DbSet<Request> Requests { set; get; }
 		public virtual DbSet<Feature> Features { set; get; }
 		public virtual DbSet<Bundling> Bundlings { set; get; }
+		public virtual DbSet<CarBundling> CarBundlings { set; get; }
 	}
 }

CarCenter/CarCenterDatabaseImplement/Models/Bundling.cs

@@ -6,6 +6,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -23,6 +24,8 @@ namespace CarCenterDatabaseImplement.Models
 		public ToolKit ToolKit { get; set; } = ToolKit.Неизвестно;
 		[Required]
 		public double Price { get; set; }
+		[ForeignKey("BundlingId")]
+		public virtual List<CarBundling> CarBundling { get; set; } = new();
 		public static Bundling? Create(BundlingBindingModel model)
 		{
 			if (model == null)

CarCenter/CarCenterDatabaseImplement/Models/Car.cs

@@ -6,6 +6,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -15,7 +16,7 @@ namespace CarCenterDatabaseImplement.Models
 	public class Car : ICarModel
 	{
 		public int Id { get; private set; }
-		public int? StorekeeperId { get; set; }
+		public int StorekeeperId { get; set; }
 		public int? FeatureId { get; set; }
 		[Required]
 		public CarBrand CarBrand { get; set; } = CarBrand.Неизвестно;
@@ -31,11 +32,25 @@ namespace CarCenterDatabaseImplement.Models
 		public long VINnumber { get; set; }
 		[Required]
 		public int FeatureID { get; set; }
-		public Dictionary<int, IBundlingModel> CarBundlings { get; set; } = new();
 		public virtual Storekeeper Storekeeper { get; set; }
 		public virtual Feature Feature { get; set; }
 
-		public static Car? Create(CarBindingModel model)
+		private Dictionary<int, IBundlingModel>? _carBundlings = null;
+		[ForeignKey("CarId")]
+		public virtual List<CarBundling> Bundlings { get; set; } = new();
+		[NotMapped]
+		public Dictionary<int, IBundlingModel> CarBundlings
+		{
+			get
+			{
+				if (_carBundlings == null)
+				{
+					_carBundlings = Bundlings.ToDictionary(recPc => recPc.BundlingId, recPc => recPc.Bundling as IBundlingModel);
+				}
+				return _carBundlings;
+			}
+		}
+		public static Car? Create(CarCenterDatabase context, CarBindingModel model)
 		{
 			if (model == null)
 			{
@@ -53,8 +68,28 @@ namespace CarCenterDatabaseImplement.Models
 				Price = model.Price,
 				VINnumber = model.VINnumber,
 				FeatureID = model.FeatureID,
+				Bundlings = model.CarBundlings.Select(x => new CarBundling
+				{
+					Bundling = context.Bundlings.First(y => y.Id == x.Key)
+				}).ToList()
 			};
 		}
+
+		public void UpdateBundlings(CarCenterDatabase context, CarBindingModel model)
+		{
+			var car = context.Cars.First(x => x.Id == Id);
+			foreach (var pc in model.CarBundlings)
+			{
+				context.CarBundlings.Add(new CarBundling
+				{
+					Car = car,
+					Bundling = context.Bundlings.First(x => x.Id == pc.Key),
+				});
+				context.SaveChanges();
+			}
+			_carBundlings = null;
+		}
+
 		public void Update(CarBindingModel model)
 		{
 			if (model == null)
@@ -85,6 +120,7 @@ namespace CarCenterDatabaseImplement.Models
 			Price = Price,
 			VINnumber = VINnumber,
 			FeatureID = FeatureID,
+			CarBundlings = CarBundlings,
 		};
 	}
 }

CarCenter/CarCenterDatabaseImplement/Models/CarBundling.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterDatabaseImplement.Models
+{
+	public class CarBundling
+	{
+		public int Id { get; set; }
+		[Required]
+		public int CarId { get; set; }
+		[Required]
+		public int BundlingId { get; set; }
+		[Required]
+		public virtual Car Car { get; set; } = new();
+		public virtual Bundling Bundling { get; set; } = new();
+	}
+}