Contractor: DataBase and Fixes

ComputerStore/ComputerStore.csproj

@@ -6,4 +6,15 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ComputerStoreDatabaseImplement\ComputerStoreDatabaseImplement.csproj" />
+  </ItemGroup>
+
 </Project>

ComputerStoreBusinessLogic/BusinessLogic/EmployeeReportLogic.cs

@@ -37,7 +37,7 @@ namespace ComputerStoreBusinessLogic.BusinessLogic
                 {
                     PCName = pc.Name,
                     Components = new List<(string Component, int count)>(),
-                    Request = requests.Where(x => x.RequestProduct.First(y => y.ID == pc.ID)).Select(x => x.ID)
+                    //Request = requests.Where(x => x.RequestProduct.First(y => y.ID == pc.ID)).Select(x => x.ID)
                 };
 
 
@@ -69,7 +69,7 @@ namespace ComputerStoreBusinessLogic.BusinessLogic
 
                 foreach (var consignment in consignments)
                 {
-                    record.Consignments.Add(consignment.ConsignmentProducts.FirstOrDefault(x => x.ID == product.ID).Select(x => x.ID));
+                    //record.Consignments.Add(consignment.ConsignmentProducts.FirstOrDefault(x => x.ID == product.ID).Select(x => x.ID));
                 }
 
                 foreach (var component in product.ProductComponents)

ComputerStoreBusinessLogic/BusinessLogic/RequestLogic.cs

@@ -98,7 +98,6 @@ namespace ComputerStoreBusinessLogic.BusinessLogic
             if (!withParams) { return; }
             if (model.Price <= 0) { throw new ArgumentNullException("Invalid request's price", nameof(model)); }
             if (string.IsNullOrEmpty(model.OrderID.ToString())) { throw new ArgumentNullException("Invalid Request's order ID", nameof(model)); }
-            if (string.IsNullOrEmpty(model.PCID.ToString())) { throw new ArgumentNullException("Invalid Request's PC ID", nameof(model)); }
 
             _logger.LogInformation("Request. Request ID:{ ID}. Order ID: { OrderID}. PC ID: { PCID}", model.ID, model.OrderID, model.PCID);
         }

ComputerStoreContracts/BindingModels/OrderBindingModel.cs

@@ -12,8 +12,8 @@ namespace ComputerStoreContracts.BindingModels
     {
         public int ID { get; set; }
         public double Price { get; set; }
-        public List<IConsignmentModel> OrderConsignments { get; set; } = new();
+        public List<IConsignmentModel>? OrderConsignments { get; set; } = new();
-        public List<IRequestModel> OrderRequests { get; set; } = new();
+        public List<IRequestModel>? OrderRequests { get; set; } = new();
         public OrderStatus Status { get; set; } = OrderStatus.Unknown;
         public DateTime DateCreate { get; set; } = DateTime.Now;
         public DateTime? DateImplement { get; set; }

ComputerStoreContracts/BindingModels/RequestBindingModel.cs

@@ -12,6 +12,6 @@ namespace ComputerStoreContracts.BindingModels
         public int ID { get; set; }
         public int OrderID { get; set; }
         public double Price { get; set; }
-        public int PCID { get; set; }
+        public int? PCID { get; set; }
     }
 }

ComputerStoreContracts/BusinessLogicContracts/ISellerReportLogic.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreContracts.BusinessLogicContracts
+{
+    internal class ISellerReportLogic
+    {
+    }
+}

ComputerStoreContracts/ViewModels/OrderViewModel.cs

@@ -26,7 +26,7 @@ namespace ComputerStoreContracts.ViewModels
         [DisplayName("SellerUsername")]
         public string? SellerUsername { get; set; } = string.Empty;
 
-        public List<IConsignmentModel> OrderConsignments { get; set; } = new();
+        public List<IConsignmentModel>? OrderConsignments { get; set; } = new();
-        public List<IRequestModel> OrderRequests { get; set; } = new();
+        public List<IRequestModel>? OrderRequests { get; set; } = new();
     }
 }

ComputerStoreContracts/ViewModels/RequestViewModel.cs

@@ -18,6 +18,9 @@ namespace ComputerStoreContracts.ViewModels
         public double Price { get; set; }
 
         [DisplayName("PC ID")]
-        public int PCID { get; set; }
+        public int? PCID { get; set; }
+
+        [DisplayName("PC's name")]
+        public string PCName { get; set; } = string.Empty;
     }
 }

ComputerStoreDataModels/Models/IOrderModel.cs

@@ -10,8 +10,8 @@ namespace ComputerStoreDataModels.Models
     public interface IOrderModel : IID
     {
         double Price { get; }
-        List<IConsignmentModel> OrderConsignments { get; }
+        List<IConsignmentModel>? OrderConsignments { get; }
-        List<IRequestModel> OrderRequests { get; }
+        List<IRequestModel>? OrderRequests { get; }
         OrderStatus Status { get; }
         DateTime DateCreate { get; }
         DateTime? DateImplement { get; }

ComputerStoreDataModels/Models/IRequestModel.cs

@@ -9,7 +9,7 @@ namespace ComputerStoreDataModels.Models
     public interface IRequestModel : IID
     {
         int OrderID { get; }
-        int PCID { get; }
+        int? PCID { get; }
         double Price { get; }
     }
 }

ComputerStoreDatabaseImplement/ComputerStoreDatabase.cs

@@ -14,7 +14,7 @@ namespace ComputerStoreDatabaseImplement
         {
             if (optionsBuilder.IsConfigured == false)
             {
-                optionsBuilder.UseSqlServer(@"Server=localhost\SQLEXPRESS;Initial Catalog=ComputerStoreDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+                optionsBuilder.UseSqlServer(@"Server=(localdb)\mssqllocaldb;Initial Catalog=ComputerStoreDatabase;Integrated Security=True;MultipleActiveResultSets=True;TrustServerCertificate=True");
             }
             base.OnConfiguring(optionsBuilder);
         }
@@ -25,5 +25,10 @@ namespace ComputerStoreDatabaseImplement
         public virtual DbSet<Employee> Employees { get; set; }
         public virtual DbSet<RequestComponent> RequestComponents { get; set; }
         public virtual DbSet<ProductComponent> ProductComponents { get; set; }
+        public virtual DbSet<ConsignmentProduct> ConsignmentProducts { get; set; }
+        public virtual DbSet<Consignment> Consignments { get; set; }
+        public virtual DbSet<Order> Orders { get; set; }
+        public virtual DbSet<Request> Requests { get; set; }
+        public virtual DbSet<Seller> Sellers { get; set; }
     }
 }

ComputerStoreDatabaseImplement/Implements/ConsignmentStorage.cs

@@ -1,13 +1,117 @@
-using System;
+using ComputerStoreContracts.BindingModels;
+using ComputerStoreContracts.SearchModels;
+using ComputerStoreContracts.StorageContracts;
+using ComputerStoreContracts.ViewModels;
+using ComputerStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Linq;
 
 namespace ComputerStoreDatabaseImplement.Implements
 {
-    public class ConsignmentStorage //: IConsignmentStorage
+    public class ConsignmentStorage : IConsignmentStorage
     {
+        public List<ConsignmentViewModel> GetFullList()
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Consignments
+                                   .Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .Select(x => x.GetViewModel)
+                                   .ToList();
+        }
 
+        public List<ConsignmentViewModel> GetFilteredList(ConsignmentSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Consignments.Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .Where(x => 
+                                   (!model.ID.HasValue || x.ID == model.ID) && 
+                                   (!model.OrderID.HasValue || x.OrderID == model.OrderID) &&
+                                   (!model.ProductID.HasValue || x.Products.FirstOrDefault(y => y.ProductID == model.ProductID) != null))
+                                   .Select(x => x.GetViewModel)
+                                   .ToList();
+        }
+
+        public ConsignmentViewModel? GetElement(ConsignmentSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Consignments.Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .FirstOrDefault(x => 
+                                   (!model.ID.HasValue || x.ID == model.ID) && 
+                                   (!model.OrderID.HasValue || x.OrderID == model.OrderID) &&
+                                   (!model.ProductID.HasValue || x.Products.FirstOrDefault(y => y.ProductID == model.ProductID) != null))?
+                                   .GetViewModel;
+        }
+
+        public ConsignmentViewModel? Insert(ConsignmentBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var newConsignment = Consignment.Create(context, model);
+            if (newConsignment == null)
+            {
+                return null;
+            }
+
+            context.Consignments.Add(newConsignment);
+            context.SaveChanges();
+
+            return context.Consignments.Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .FirstOrDefault(x => x.ID == newConsignment.ID)?
+                                   .GetViewModel;
+        }
+
+        public ConsignmentViewModel? Update(ConsignmentBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var consignment = context.Consignments.Include(x => x.Products).FirstOrDefault(x => x.ID == model.ID);
+            if (consignment == null)
+            {
+                return null;
+            }
+
+            consignment.Update(model);
+            consignment.UpdateProducts(context, model);
+            context.SaveChanges();
+
+            return context.Consignments.Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .FirstOrDefault(x => x.ID == consignment.ID)?
+                                   .GetViewModel;
+        }
+
+        public ConsignmentViewModel? Delete(ConsignmentBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var consignment = context.Consignments.Include(x => x.Order)
+                                   .Include(x => x.Products)
+                                   .ThenInclude(x => x.Product)
+                                   .FirstOrDefault(x => x.ID == model.ID);
+            if (consignment != null)
+            {
+                context.Consignments.Remove(consignment);
+                context.SaveChanges();
+
+                return consignment.GetViewModel;
+            }
+
+            return null;
+        }
     }
 }

ComputerStoreDatabaseImplement/Implements/OrderStorage.cs

@@ -1,4 +1,10 @@
-using System;
+using ComputerStoreContracts.BindingModels;
+using ComputerStoreContracts.SearchModels;
+using ComputerStoreContracts.StorageContracts;
+using ComputerStoreContracts.ViewModels;
+using ComputerStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -6,7 +12,123 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDatabaseImplement.Implements
 {
-    public class OrderStorage //: IOrderStorage
+    public class OrderStorage : IOrderStorage
     {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Orders.Include(x => x.Seller)
+                                   .Include(x => x._consignments)
+                                   .Include(x => x._requests)
+                                   .Select(x => x.GetViewModel)
+                                   .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Orders
+                                .Include(x => x.Seller)
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .Where(x =>
+                                (!model.ID.HasValue || 
+                                x.ID == model.ID) &&
+                                (!model.SellerID.HasValue || 
+                                x.SellerID == model.SellerID) &&
+                                (!model.ConsignmentID.HasValue || 
+                                x._consignments.FirstOrDefault(y => y.ID == model.ConsignmentID) != null) &&
+                                (!model.RequestID.HasValue || 
+                                x._requests.FirstOrDefault(y => y.ID == model.RequestID) != null) &&
+                                (!model.DateFrom.HasValue || x.DateCreate >= model.DateFrom) &&
+                                (!model.DateTo.HasValue || x.DateCreate <= model.DateTo))
+                                .Select(x => x.GetViewModel)
+                                .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Orders.Include(x => x.Seller)
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .FirstOrDefault(x =>
+                                (!model.ID.HasValue ||
+                                x.ID == model.ID) &&
+                                (!model.SellerID.HasValue ||
+                                x.SellerID == model.SellerID) &&
+                                (!model.ConsignmentID.HasValue ||
+                                x._consignments.FirstOrDefault(y => y.ID == model.ConsignmentID) != null) &&
+                                (!model.RequestID.HasValue ||
+                                x._requests.FirstOrDefault(y => y.ID == model.RequestID) != null) &&
+                                (!model.DateFrom.HasValue || x.DateCreate >= model.DateFrom) &&
+                                (!model.DateTo.HasValue || x.DateCreate <= model.DateTo))?
+                                .GetViewModel;
+
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+
+            return context.Orders.Include(x => x.Seller)
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .FirstOrDefault(x => x.ID == newOrder.ID)?
+                                .GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var order = context.Orders
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .FirstOrDefault(x => x.ID == model.ID);
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            order.UpdateOrderConsignments(context, model);
+            order.UpdateOrderRequests(context, model);
+            context.SaveChanges();
+
+            return context.Orders.Include(x => x.Seller)
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .FirstOrDefault(x => x.ID == model.ID)?
+                                .GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var order = context.Orders.Include(x => x.Seller)
+                                .Include(x => x._consignments)
+                                .Include(x => x._requests)
+                                .FirstOrDefault(x => x.ID == model.ID);
+            if (order != null)
+            {
+                context.Orders.Remove(order);
+                context.SaveChanges();
+
+                return order.GetViewModel;
+            }
+
+            return null;
+        }
     }
 }

ComputerStoreDatabaseImplement/Implements/RequestStorage.cs

@@ -1,4 +1,10 @@
-using System;
+using ComputerStoreContracts.BindingModels;
+using ComputerStoreContracts.SearchModels;
+using ComputerStoreContracts.StorageContracts;
+using ComputerStoreContracts.ViewModels;
+using ComputerStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -6,7 +12,93 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDatabaseImplement.Implements
 {
-    public class RequestStorage //: IRequestStorage
+    public class RequestStorage : IRequestStorage
     {
+        public RequestViewModel? GetElement(RequestSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .FirstOrDefault(x => 
+                (!model.ID.HasValue || x.ID == model.ID) && 
+                (!model.OrderID.HasValue || x.OrderID == model.OrderID) && 
+                (!model.PCID.HasValue || x.PCID == model.PCID))?.GetViewModel;
+        }
+
+        public List<RequestViewModel> GetFilteredList(RequestSearchModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .Where(x =>
+                (!model.ID.HasValue || x.ID == model.ID) &&
+                (!model.OrderID.HasValue || x.OrderID == model.OrderID) &&
+                (!model.PCID.HasValue || x.PCID == model.PCID))
+                .Select(y => y.GetViewModel)
+                .ToList();
+        }
+
+        public List<RequestViewModel> GetFullList()
+        {
+            using var context = new ComputerStoreDatabase();
+            return context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .Select(y => y.GetViewModel)
+                .ToList();
+        }
+
+        public RequestViewModel? Insert(RequestBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            var newRequest = Request.Create(context, model);
+            if (newRequest == null) { return null; }
+            context.Requests.Add(newRequest);
+            context.SaveChanges();
+            return context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .FirstOrDefault(x => x.ID == model.ID)?.GetViewModel;
+        }
+
+        public RequestViewModel? Update(RequestBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+            var request = context.Requests.FirstOrDefault(x => x.ID == model.ID);
+            if (request == null)
+            {
+                return null;
+            }
+
+            request.Update(model);
+            context.SaveChanges();
+
+            return context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .FirstOrDefault(x => x.ID == model.ID)?.GetViewModel;
+        }
+
+        public RequestViewModel? Delete(RequestBindingModel model)
+        {
+            using var context = new ComputerStoreDatabase();
+
+            var request = context.Requests
+                .Include(x => x.Order)
+                .Include(y => y.PCs)
+                .FirstOrDefault(x => x.ID == model.ID);
+
+            if (request != null)
+            {
+                context.Requests.Remove(request);
+                context.SaveChanges();
+
+                return request.GetViewModel;
+            }
+
+            return null;
+        }
     }
 }

ComputerStoreDatabaseImplement/Migrations/20230408204154_init.Designer.cs

@@ -0,0 +1,501 @@
+// <auto-generated />
+using System;
+using ComputerStoreDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace ComputerStoreDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerStoreDatabase))]
+    [Migration("20230408204154_init")]
+    partial class init
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int?>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("Consignments");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ConsignmentProduct", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ConsignmentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ConsignmentID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("ConsignmentProducts");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("MiddleName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Employees");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int>("SellerID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("EmployeeID")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int>("RequestID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("EmployeeID");
+
+                    b.ToTable("PCs");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("EmployeeID")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("EmployeeID");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ComponentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ComponentID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PCID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.RequestComponent", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ComponentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PCID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RequestID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ComponentID");
+
+                    b.HasIndex("PCID");
+
+                    b.HasIndex("RequestID");
+
+                    b.ToTable("RequestComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Seller", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("MiddleName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Sellers");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("_consignments")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", null)
+                        .WithMany("Consignments")
+                        .HasForeignKey("ProductID");
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ConsignmentProduct", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Consignment", "Consignment")
+                        .WithMany("Products")
+                        .HasForeignKey("ConsignmentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Consignment");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Seller", "Seller")
+                        .WithMany("Orders")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Seller");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany("PCs")
+                        .HasForeignKey("EmployeeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Employee");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany("Products")
+                        .HasForeignKey("EmployeeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Employee");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ConsignmentComponents")
+                        .HasForeignKey("ComponentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("_requests")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.RequestComponent", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RequestComponents")
+                        .HasForeignKey("ComponentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.PC", "PC")
+                        .WithMany("Components")
+                        .HasForeignKey("PCID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Request", "Request")
+                        .WithMany("PCs")
+                        .HasForeignKey("RequestID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("PC");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("ConsignmentComponents");
+
+                    b.Navigation("RequestComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Navigation("PCs");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("_consignments");
+
+                    b.Navigation("_requests");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Consignments");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("PCs");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Seller", b =>
+                {
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerStoreDatabaseImplement/Migrations/20230408204154_init.cs

@@ -0,0 +1,367 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ComputerStoreDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class init : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.ID);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Employees",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Username = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    FirstName = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    LastName = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    MiddleName = table.Column<string>(type: "nvarchar(max)", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Employees", x => x.ID);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Sellers",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Username = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    FirstName = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    LastName = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    MiddleName = table.Column<string>(type: "nvarchar(max)", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sellers", x => x.ID);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PCs",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false),
+                    EmployeeID = table.Column<int>(type: "int", nullable: false),
+                    RequestID = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PCs", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_PCs_Employees_EmployeeID",
+                        column: x => x.EmployeeID,
+                        principalTable: "Employees",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false),
+                    EmployeeID = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_Products_Employees_EmployeeID",
+                        column: x => x.EmployeeID,
+                        principalTable: "Employees",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Price = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    SellerID = table.Column<int>(type: "int", nullable: false),
+                    OrderID = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_Orders_Sellers_OrderID",
+                        column: x => x.OrderID,
+                        principalTable: "Sellers",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProductComponents",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ComponentID = table.Column<int>(type: "int", nullable: false),
+                    ProductID = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductComponents", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Components_ComponentID",
+                        column: x => x.ComponentID,
+                        principalTable: "Components",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Products_ProductID",
+                        column: x => x.ProductID,
+                        principalTable: "Products",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Consignments",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    OrderID = table.Column<int>(type: "int", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false),
+                    ProductID = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Consignments", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_Consignments_Orders_OrderID",
+                        column: x => x.OrderID,
+                        principalTable: "Orders",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Consignments_Products_ProductID",
+                        column: x => x.ProductID,
+                        principalTable: "Products",
+                        principalColumn: "ID");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Requests",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    OrderID = table.Column<int>(type: "int", nullable: false),
+                    PCID = table.Column<int>(type: "int", nullable: true),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Requests", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_Requests_Orders_OrderID",
+                        column: x => x.OrderID,
+                        principalTable: "Orders",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ConsignmentProducts",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ConsignmentID = table.Column<int>(type: "int", nullable: false),
+                    ProductID = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ConsignmentProducts", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_ConsignmentProducts_Consignments_ConsignmentID",
+                        column: x => x.ConsignmentID,
+                        principalTable: "Consignments",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ConsignmentProducts_Products_ProductID",
+                        column: x => x.ProductID,
+                        principalTable: "Products",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RequestComponents",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    RequestID = table.Column<int>(type: "int", nullable: false),
+                    ComponentID = table.Column<int>(type: "int", nullable: false),
+                    PCID = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RequestComponents", x => x.ID);
+                    table.ForeignKey(
+                        name: "FK_RequestComponents_Components_ComponentID",
+                        column: x => x.ComponentID,
+                        principalTable: "Components",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RequestComponents_PCs_PCID",
+                        column: x => x.PCID,
+                        principalTable: "PCs",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RequestComponents_Requests_RequestID",
+                        column: x => x.RequestID,
+                        principalTable: "Requests",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ConsignmentProducts_ConsignmentID",
+                table: "ConsignmentProducts",
+                column: "ConsignmentID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ConsignmentProducts_ProductID",
+                table: "ConsignmentProducts",
+                column: "ProductID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Consignments_OrderID",
+                table: "Consignments",
+                column: "OrderID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Consignments_ProductID",
+                table: "Consignments",
+                column: "ProductID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_OrderID",
+                table: "Orders",
+                column: "OrderID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PCs_EmployeeID",
+                table: "PCs",
+                column: "EmployeeID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ComponentID",
+                table: "ProductComponents",
+                column: "ComponentID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ProductID",
+                table: "ProductComponents",
+                column: "ProductID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_EmployeeID",
+                table: "Products",
+                column: "EmployeeID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RequestComponents_ComponentID",
+                table: "RequestComponents",
+                column: "ComponentID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RequestComponents_PCID",
+                table: "RequestComponents",
+                column: "PCID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RequestComponents_RequestID",
+                table: "RequestComponents",
+                column: "RequestID");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Requests_OrderID",
+                table: "Requests",
+                column: "OrderID");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ConsignmentProducts");
+
+            migrationBuilder.DropTable(
+                name: "ProductComponents");
+
+            migrationBuilder.DropTable(
+                name: "RequestComponents");
+
+            migrationBuilder.DropTable(
+                name: "Consignments");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "PCs");
+
+            migrationBuilder.DropTable(
+                name: "Requests");
+
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Employees");
+
+            migrationBuilder.DropTable(
+                name: "Sellers");
+        }
+    }
+}

ComputerStoreDatabaseImplement/Migrations/ComputerStoreDatabaseModelSnapshot.cs

@@ -0,0 +1,498 @@
+// <auto-generated />
+using System;
+using ComputerStoreDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace ComputerStoreDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerStoreDatabase))]
+    partial class ComputerStoreDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int?>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("Consignments");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ConsignmentProduct", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ConsignmentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ConsignmentID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("ConsignmentProducts");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("MiddleName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Employees");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int>("SellerID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("EmployeeID")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<int>("RequestID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("EmployeeID");
+
+                    b.ToTable("PCs");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("EmployeeID")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("EmployeeID");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ComponentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ComponentID");
+
+                    b.HasIndex("ProductID");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("OrderID")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PCID")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("OrderID");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.RequestComponent", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<int>("ComponentID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PCID")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RequestID")
+                        .HasColumnType("int");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("ComponentID");
+
+                    b.HasIndex("PCID");
+
+                    b.HasIndex("RequestID");
+
+                    b.ToTable("RequestComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Seller", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("ID"));
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("MiddleName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("Sellers");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("_consignments")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", null)
+                        .WithMany("Consignments")
+                        .HasForeignKey("ProductID");
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ConsignmentProduct", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Consignment", "Consignment")
+                        .WithMany("Products")
+                        .HasForeignKey("ConsignmentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany()
+                        .HasForeignKey("ProductID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Consignment");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Seller", "Seller")
+                        .WithMany("Orders")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Seller");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany("PCs")
+                        .HasForeignKey("EmployeeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Employee");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany("Products")
+                        .HasForeignKey("EmployeeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Employee");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ConsignmentComponents")
+                        .HasForeignKey("ComponentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ProductID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Order", "Order")
+                        .WithMany("_requests")
+                        .HasForeignKey("OrderID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.RequestComponent", b =>
+                {
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RequestComponents")
+                        .HasForeignKey("ComponentID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.PC", "PC")
+                        .WithMany("Components")
+                        .HasForeignKey("PCID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerStoreDatabaseImplement.Models.Request", "Request")
+                        .WithMany("PCs")
+                        .HasForeignKey("RequestID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("PC");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("ConsignmentComponents");
+
+                    b.Navigation("RequestComponents");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Consignment", b =>
+                {
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Navigation("PCs");
+
+                    b.Navigation("Products");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("_consignments");
+
+                    b.Navigation("_requests");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.PC", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Consignments");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("PCs");
+                });
+
+            modelBuilder.Entity("ComputerStoreDatabaseImplement.Models.Seller", b =>
+                {
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

ComputerStoreDatabaseImplement/Models/Consignment.cs

@@ -8,6 +8,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Runtime.ConstrainedExecution;
 
 namespace ComputerStoreDatabaseImplement.Models
 {
@@ -17,6 +18,7 @@ namespace ComputerStoreDatabaseImplement.Models
 
         [Required]
         public int OrderID { get; private set; }
+        public virtual Order Order { get; set; }
 
         [Required]
         public double Price { get; private set; }
@@ -36,60 +38,72 @@ namespace ComputerStoreDatabaseImplement.Models
             }
         }
 
-        [ForeignKey("ConsignmentId")]
-        public virtual List<CarComponent> Components { get; set; } = new();
-
-
-        public virtual Product Product { get; private set; }
-        private Dictionary<int, (IProductModel, int)>? Products = null;
-
-
-
-
         [ForeignKey("ConsignmentID")]
-        public virtual List<ConsignmentComponent> ConsignmentComponent { get; private set; } = new();
+        public virtual List<ConsignmentProduct> Products { get; set; } = new();
 
-        public static Consignment Create(ComputerStoreDatabase context, ConsignmentBindingModel model)
+        public static Consignment? Create(ComputerStoreDatabase context, ConsignmentBindingModel model)
         {
             if (model == null)
             {
                 return null;
             }
+            var products = context.Products;
             return new Consignment()
             {
                 ID = model.ID,
                 OrderID = model.OrderID,
                 Price = model.Price,
-                _orderProducts = model.ConsignmentProducts
+                Products = model.ConsignmentProducts.Select(x => new ConsignmentProduct
-
+                {
+                    Product = context.Products.First(y => y.ID == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
             };
-
-            //return new Consignment()
-            //{
-            //    ID = model.ID,
-            //    OrderID = model.OrderID,
-            //    Price = model.Price,
-            //    Products = model.ConsignmentProducts.Select(x => new ConsignmentComponent
-            //    {
-            //        Component = context.Components.First(y => y.ID == x.Key),
-            //        Count = x.Value.Item2
-            //    }).ToList()
-            //};
         }
-        public void Update(ConsignmentBindingModel? model)
+
+        public void Update(ConsignmentBindingModel model)
         {
             if (model == null)
             {
                 return;
             }
-            OrderID = model.OrderID;
             Price = model.Price;
         }
         public ConsignmentViewModel GetViewModel => new()
         {
             ID = ID,
             OrderID = OrderID,
-            Price = Price
+            Price = Price,
+            ConsignmentProducts = ConsignmentProducts
         };
+
+        public void UpdateProducts(ComputerStoreDatabase context, ConsignmentBindingModel model)
+        {
+            var consignmentProducts = context.ConsignmentProducts.Where(rec => rec.ConsignmentID == model.ID).ToList();
+            if (consignmentProducts != null && consignmentProducts.Count > 0)
+            {
+                context.ConsignmentProducts.RemoveRange(consignmentProducts.Where(rec => !model.ConsignmentProducts.ContainsKey(rec.ProductID)));
+                context.SaveChanges();
+                foreach (var updateProduct in consignmentProducts)
+                {
+                    updateProduct.Count = model.ConsignmentProducts[updateProduct.ID].Item2;
+                    model.ConsignmentProducts.Remove(updateProduct.ID);
+                }
+                context.SaveChanges();
+            }
+
+            var consignment = context.Consignments.First(x => x.ID == ID);
+            foreach (var pc in model.ConsignmentProducts)
+            {
+                context.ConsignmentProducts.Add(new ConsignmentProduct
+                {
+                    Consignment = consignment,
+                    Product = context.Products.First(x => x.ID == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _consignmentProducts = null;
+        }
     }
 }

ComputerStoreDatabaseImplement/Models/ConsignmentProduct.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Runtime.ConstrainedExecution;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreDatabaseImplement.Models
+{
+    public class ConsignmentProduct
+    {
+        public int ID { get; set; }
+        [Required]
+        public int ConsignmentID { get; set; }
+        [Required]
+        public int ProductID { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Consignment Consignment { get; set; } = new();
+        public virtual Product Product { get; set; } = new();
+    }
+}

ComputerStoreDatabaseImplement/Models/Order.cs

@@ -16,30 +16,39 @@ namespace ComputerStoreDatabaseImplement.Models
     public class Order : IOrderModel
     {
         public int ID { get; private set; }
-
         [Required]
         public double Price { get; private set; }
-
-        public int? ConsignmentID { get; private set; }
-
-        public int? RequestID { get; private set; }
-
         [Required]
         public OrderStatus Status { get; private set; } = OrderStatus.Unknown;
-
-        [Required]
-        public DateTime DateCreate { get; private set; } = DateTime.Now;
-
-        public DateTime? DateImplement { get; private set; }
-
         [Required]
         public int SellerID { get; private set; }
-
         public virtual Seller Seller { get; set; }
-        public virtual Consignment Consignment { get; private set; }
+        [Required]
-        public virtual Request Request { get; private set; }
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        public DateTime? DateImplement { get; private set; }
 
-        public static Order? Create(OrderBindingModel? model)
+        [ForeignKey("OrderID")]
+        public virtual List<Consignment> _consignments { get; private set; } = new();
+        [ForeignKey("OrderID")]
+        public virtual List<Request> _requests { get; private set; } = new();
+        [NotMapped]
+        public List<IConsignmentModel> OrderConsignments
+        {
+            get
+            {
+                return _consignments.Select(x => (IConsignmentModel)x).ToList();
+            }
+        }
+        [NotMapped]
+        public List<IRequestModel> OrderRequests
+        {
+            get
+            {
+                return _requests.Select(x => (IRequestModel)x).ToList();
+            }
+        }
+
+        public static Order? Create(ComputerStoreDatabase context, OrderBindingModel? model)
         {
             if (model == null)
             {
@@ -47,15 +56,15 @@ namespace ComputerStoreDatabaseImplement.Models
             }
             return new Order
             {
+                ID = model.ID,
                 Price = model.Price,
-                ConsignmentID = model.ConsignmentID,
-                RequestID = model.RequestID,
                 Status = model.Status,
+                SellerID = model.SellerID,
                 DateCreate = model.DateCreate,
                 DateImplement = model.DateImplement,
-                SellerID = model.SellerID,
+                _consignments = model.OrderConsignments.Select(x => context.Consignments.First(y => y.ID == x.ID)).ToList(),
-                ID = model.ID,
+                _requests = model.OrderRequests.Select(x => context.Requests.First(y => y.ID == x.ID)).ToList(),
-            };
+        };
         }
 
         public void Update(OrderBindingModel? model)
@@ -66,6 +75,24 @@ namespace ComputerStoreDatabaseImplement.Models
             }
             Status = model.Status;
             DateImplement = model.DateImplement;
+            Price = model.Price;
+        }
+
+        public void UpdateOrderRequests(ComputerStoreDatabase context, OrderBindingModel model)
+        {
+            if (model.OrderRequests == null)
+            {
+                return;
+            }
+            _requests = model.OrderRequests.Select(x => context.Requests.First(y => y.ID == x.ID)).ToList();
+        }
+        public void UpdateOrderConsignments(ComputerStoreDatabase context, OrderBindingModel model)
+        {
+            if (model.OrderRequests == null)
+            {
+                return;
+            }
+            _consignments = model.OrderConsignments.Select(x => context.Consignments.First(y => y.ID == x.ID)).ToList();
         }
 
         public OrderViewModel GetViewModel
@@ -77,14 +104,14 @@ namespace ComputerStoreDatabaseImplement.Models
                 {
 
                     ID = ID,
-                    ConsignmentID = ConsignmentID,
+                    Price = Price,
-                    RequestID = RequestID,
                     DateCreate = DateCreate,
                     DateImplement = DateImplement,
                     Status = Status,
-                    Price = Price,
                     SellerID = SellerID,
-                    SellerUsername = context.Sellers.FirstOrDefault(x => x.ID == SellerID)?.Username ?? string.Empty
+                    SellerUsername = context.Sellers.First(x => x.ID == SellerID)?.Username ?? string.Empty,
+                    OrderConsignments = _consignments.Select(x => (IConsignmentModel)x.GetViewModel).ToList(),
+                    OrderRequests = _requests.Select(x => (IRequestModel)x.GetViewModel).ToList()
                 };
             }
         }

ComputerStoreDatabaseImplement/Models/Request.cs

@@ -8,6 +8,10 @@ using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Azure.Core;
+using ComputerStoreContracts.SearchModels;
+using Microsoft.EntityFrameworkCore;
+using System.Xml.Linq;
 
 namespace ComputerStoreDatabaseImplement.Models
 {
@@ -17,14 +21,17 @@ namespace ComputerStoreDatabaseImplement.Models
 
         [Required]
         public int OrderID { get; private set; }
+        public virtual Order Order { get; set; }
+
+        public int? PCID { get; private set; }
 
         [Required]
         public double Price { get; private set; }
 
         [ForeignKey("RequestID")]
-        public virtual List<RequestComponent> RequestComponents { get; private set; } = new();
+        public virtual List<RequestComponent> PCs { get; set; } = new();
 
-        public static Request? Create(RequestBindingModel model)
+        public static Request? Create(ComputerStoreDatabase context, RequestBindingModel model)
         {
             if (model == null)
             {
@@ -38,21 +45,35 @@ namespace ComputerStoreDatabaseImplement.Models
             };
         }
 
-        public void Update(RequestBindingModel? model)
+        public void Update(RequestBindingModel model)
         {
             if (model == null)
             {
                 return;
             }
-            OrderID = model.OrderID;
             Price = model.Price;
+            PCID = model.PCID;
         }
 
-        public RequestViewModel GetViewModel => new()
+        public void UpdatePCID(ComputerStoreDatabase context)
         {
-            ID = ID,
+            PCID = context.RequestComponents.First(x => x.RequestID == ID).PCID;
-            OrderID = OrderID,
+        }
-            Price = Price
+
-        };
+        public RequestViewModel GetViewModel
+        {
+            get
+            {
+                var context = new ComputerStoreDatabase();
+                return new RequestViewModel()
+                {
+                    ID = ID,
+                    OrderID = OrderID,
+                    Price = Price,
+                    PCID = PCID,
+                    PCName = context.PCs.First(rec => rec.ID == PCID).Name
+                };
+            }
+        }
     }
 }