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ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/BuildBindingModel.cs

@@ -7,7 +7,7 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int Id { get; set; }
         public string Name { get; set; } = string.Empty;
         public double Price { get; set; }
-        public int VendorId { get; set; }
+        public IVendorModel Vendor { get; set; }
         public Dictionary<int, (IComponentModel, int)> BuildComponents { get; set; } = new();
         public List<ICommentModel> Comments { get; set; } = new();
     }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/BuildViewModel.cs

@@ -10,7 +10,7 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public string Name { get; set; } = string.Empty;
         [DisplayName("Стоимость")]
         public double Price { get; set; }
-        public int VendorId { get; set; }
+        public IVendorModel Vendor { get; set; }
         public Dictionary<int, (IComponentModel, int)> BuildComponents { get; set; } = new();
         public List<ICommentModel> Comments { get; set; } = new();
     }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IBuildModel.cs

@@ -4,7 +4,7 @@
     {
         string Name { get; }
         double Price { get; }
-        int VendorId { get; }
+        IVendorModel Vendor { get; }
         public Dictionary<int, (IComponentModel, int)> BuildComponents { get; }
         public List<ICommentModel> Comments { get; }
     }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/ComputerHardwareStoreDBContext.cs

@@ -37,5 +37,6 @@ namespace ComputerHardwareStoreDatabaseImplement
         public virtual DbSet<OrderProduct> OrderProducts { set; get; }
         public virtual DbSet<BuildComponent> BuildComponents { set; get; }
         public virtual DbSet<Comment> Comments { set; get; }
+        public virtual DbSet<Vendor> Vendors { set; get; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Build.cs

@@ -2,6 +2,7 @@
 using ComputerHardwareStoreContracts.BindingModels;
 using ComputerHardwareStoreContracts.ViewModels;
 using ComputerHardwareStoreDataModels.Models;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Runtime.InteropServices;
@@ -15,9 +16,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
         public string Name { get; set; } = string.Empty;
         [Required]
         public double Price { get; set; }
-        [Required]
+
-        public int VendorId { get; set; }
-        public virtual Vendor Vendor { get; private set; } = new();
         private Dictionary<int, (IComponentModel, int)>? _buildComponents = null;
         [NotMapped]
         public Dictionary<int, (IComponentModel, int)> BuildComponents
@@ -36,10 +35,14 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
         [ForeignKey("BuildId")]
         public virtual List<BuildComponent> Components { get; set; } = new();
         [ForeignKey("BuildId")]
+
         public virtual List<Comment> Comments { get; set; } = new();
         [NotMapped]
         List<ICommentModel> IBuildModel.Comments => Comments.Select(c => c as ICommentModel).ToList();
 
+        public virtual Vendor Vendor { get; private set; } = new();
+        IVendorModel IBuildModel.Vendor => Vendor as IVendorModel;
+
         public static Build? Create(ComputerHardwareStoreDBContext context, BuildBindingModel model)
         {
             if (model == null)
@@ -51,7 +54,16 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
                 Id = model.Id,
                 Name = model.Name,
                 Price = model.Price,
-                VendorId = model.VendorId,
+                Vendor = context.Vendors.First(v => v.Id == model.Vendor.Id),
+                Components = context.Components
+                    .Where(c => model.BuildComponents.ContainsKey(c.Id))
+                    .Select(c => new BuildComponent()
+                    {
+                        BuildId = model.Id,
+                        ComponentId = c.Id,
+                        Component = c,
+                        Count = model.BuildComponents[c.Id].Item2
+                    }).ToList()
             };
         }
 
@@ -60,7 +72,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
             Id = Id,
             Name = Name,
             Price = Price,
-            VendorId = VendorId,
+            Vendor = Vendor,
             Comments = Comments.Select(c => c as ICommentModel).ToList(),
             BuildComponents = BuildComponents
         };