исправления

TransportGuideContracts/BindingModels/RouteBindingModel.cs

@@ -15,7 +15,7 @@ namespace TransportGuideContracts.BindingModels
 
 		public int TransportTypeId { get; set; }
 
-		public Dictionary<int, (IStopModel, int)> StopNRoute { get; set; } = new();
+		public Dictionary<int, (IStopModel, int)> StopRoutes { get; set; } = new();
 
 		public int Id { get; set; }
 	}

TransportGuideContracts/ViewModels/RouteViewModel.cs

@@ -19,7 +19,7 @@ namespace TransportGuideContracts.ViewModels
 		[DisplayName("TransportType")]
 		public string TransportTypeName { get; set; } = string.Empty;
 
-		public Dictionary<int, (IStopModel, int)> StopNRoute { get; set; } = new();
+		public Dictionary<int, (IStopModel, int)> StopRoutes { get; set; } = new();
 
 		public int Id { get; set; }
 	}

TransportGuideDataModels/Models/IRouteModel.cs

@@ -13,7 +13,7 @@ namespace TransportGuideDataModels.Models
 
         int TransportTypeId { get;}
 
-		Dictionary<int, (IStopModel, int)> StopNRoute { get; }
+		Dictionary<int, (IStopModel, int)> StopRoutes { get; }
 
 	}
 }

TransportGuideDatabaseImplements/Models/Route.cs

@@ -1,13 +1,14 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
+using System.Diagnostics;
-using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using TransportGuideContracts.BindingModels;
 using TransportGuideContracts.ViewModels;
 using TransportGuideDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
 
 namespace TransportGuideDatabaseImplements.Models
 {
@@ -15,8 +16,6 @@ namespace TransportGuideDatabaseImplements.Models
 	{
 		public int Id { get; private set; }
 
-		[Required]
-
 		public int TransportTypeId { get; private set; }		
 
 		[Required]
@@ -26,38 +25,46 @@ namespace TransportGuideDatabaseImplements.Models
 		public string IP { get; private set; } = string.Empty;
 
 
-		public virtual TransportType transportType { get; set; }
+		Dictionary<int, (IStopModel, int)>? _stopRoutes = null;
 
-		[ForeignKey("RouteId")]
+		public virtual TransportType TransportType { get; set; }
-		public virtual List<StopRoute> StopRoutes { get; set; } = new();
 
-		public static Route? Create(RouteBindingModel? model)
+
+		[NotMapped]
+		public Dictionary<int, (IStopModel, int)> StopRoutes { 
+			get
 			{
-			if (model == null)
+				if (_stopRoutes == null)
 				{
-				return null;
+					_stopRoutes = Stops.ToDictionary(recPC => recPC.StopId, recPC => (recPC.Stop as IStopModel, recPC.Nomer));
+				}
+				return _stopRoutes;
 			} 
 				
+		}
+
+		[ForeignKey("RouteId")]
+		public virtual List<StopRoute> Stops { get; set; } = new();
+
+		public static Route Create(TransportGuideDB context, RouteBindingModel model)
+		{
 			return new Route()
 			{
 				Id = model.Id,
-				TransportTypeId = model.TransportTypeId,
+				Name = model.Name,
 				IP = model.IP,
-				Name= model.Name
+				Stops = model.StopRoutes.Select(x => new StopRoute
+				{
+					Stop = context.Stops.First(y => y.Id == x.Key),
+					Nomer = x.Value.Item2
+				}).ToList()
 			};
 		}
 
-		public void Update(RouteBindingModel? model)
+		public void Update(RouteBindingModel model)
 		{
-			if (model == null)
-			{
-				return;
-			}
-
-			TransportTypeId = model.TransportTypeId;
-			IP = model.IP;
 			Name = model.Name;
-
+			IP = model.IP;
 		}
 
 		public RouteViewModel GetViewModel
@@ -75,5 +82,38 @@ namespace TransportGuideDatabaseImplements.Models
 				};
 			}
 		}
+
+		public void UpdateStops(TransportGuideDB context, RouteBindingModel model)
+		{
+			var routeStops = context.StopRoutes.Where(rec => rec.RouteId == model.Id).ToList();
+
+			if (routeStops != null && routeStops.Count > 0)
+			{ // удалили те, которых нет в модели
+				context.StopRoutes.RemoveRange(routeStops.Where(rec => !model.StopRoutes.ContainsKey(rec.StopId)));
+				context.SaveChanges();
+				// обновили количество у существующих записей
+				foreach (var updateStop in routeStops)
+				{
+					updateStop.Nomer = model.StopRoutes[updateStop.StopId].Item2;
+					model.StopRoutes.Remove(updateStop.StopId);
+				}
+				context.SaveChanges();
+			}
+
+			var route = context.Routes.First(x => x.Id == Id);
+
+			foreach (var pc in model.StopRoutes)
+			{
+				context.StopRoutes.Add(new StopRoute
+				{
+					Route = route,
+					Stop = context.Stops.First(x => x.Id == pc.Key),
+					Nomer = pc.Value.Item2
+				});
+				context.SaveChanges();
+			}
+			_stopRoutes = null;
+		}
+
 	}
 }

TransportGuideDatabaseImplements/Models/TransportType.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -20,6 +21,9 @@ namespace TransportGuideDatabaseImplements.Models
 		[Required]
 		public double Price { get; set; }
 
+		[ForeignKey("TransportTypeId")]
+		public virtual List<Route> Routes { get; set; } = new();
+
 
 		public static TransportType? Create(TransportTypeBindingModel model)
 		{

TransportGuideDatabaseImplements/TransportGuideDB.cs

@@ -11,10 +11,14 @@ namespace TransportGuideDatabaseImplements
 {
     public class TransportGuideDB : DbContext
     {
-        public TransportGuideDB() { }
 
-        public TransportGuideDB(DbContextOptions<TransportGuideDB> options): base(options)
+		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
 		{
+			if (optionsBuilder.IsConfigured == false)
+			{
+				optionsBuilder.UseNpgsql("Host=192.168.56.101;Port=5432;Database=TransportSubd;Username=postgres;Password=postgres");
+			}
+			base.OnConfiguring(optionsBuilder);
 		}
 		public virtual DbSet<Route> Routes { set; get; }
 		public virtual DbSet<Stop> Stops { set; get; }

TransportGuideDatabaseImplements/TransportGuideDatabaseImplements.csproj

@@ -12,6 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.5" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.4" />
   </ItemGroup>
 
   <ItemGroup>