AutomobilePlant/AbstractAutoBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -58,7 +58,7 @@ namespace AutomobilePlantBusinessLogic.BusinessLogics
             model.Status = newStatus;
 
             if (model.Status == OrderStatus.Выдан)
-                model.DateImplement = DateTime.Now;
+                model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
 
             if (_orderStorage.Update(model) == null)
             {

AutomobilePlant/AbstractAutoContracts/BindingModels/OrderBindingModel.cs

@@ -16,7 +16,7 @@ namespace AutomobilePlantContracts.BindingModels
         public int Count { get; set; }
         public double Sum { get; set; }
         public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
-        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime DateCreate { get; set; }  = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
         public DateTime? DateImplement { get; set; }
     }
 }

AutomobilePlant/AbstractAutoContracts/ViewModel/OrderViewModel.cs

@@ -23,7 +23,7 @@ namespace AutomobilePlantContracts.ViewModel
         [DisplayName("Статус")]
         public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
         [DisplayName("Дата создания")]
-        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
         [DisplayName("Дата выполнения")]
         public DateTime? DateImplement { get; set; }
 

AutomobilePlant/AutomobilePlant.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AutomobilePlant", "Automobi
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutomomilePlantFileImplement", "AutomomilePlantFileImplement\AutomomilePlantFileImplement.csproj", "{3EC099D5-0C5C-43F5-AC6D-09B4D7CE9D72}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutomobilePlantDataBaseImplements", "AutomobilePlantDataBaseImplements\AutomobilePlantDataBaseImplements.csproj", "{166A9D0A-A545-4634-811B-7BC2BC33631D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{3EC099D5-0C5C-43F5-AC6D-09B4D7CE9D72}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3EC099D5-0C5C-43F5-AC6D-09B4D7CE9D72}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3EC099D5-0C5C-43F5-AC6D-09B4D7CE9D72}.Release|Any CPU.Build.0 = Release|Any CPU
+		{166A9D0A-A545-4634-811B-7BC2BC33631D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{166A9D0A-A545-4634-811B-7BC2BC33631D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{166A9D0A-A545-4634-811B-7BC2BC33631D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{166A9D0A-A545-4634-811B-7BC2BC33631D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AutomobilePlant/AutomobilePlant/AutomobilePlant.csproj

@@ -19,12 +19,16 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\AbstractAutoBusinessLogic\AutomobilePlantBusinessLogic.csproj" />
-    <ProjectReference Include="..\AutomomilePlantFileImplement\AutomomilePlantFileImplement.csproj" />
+    <ProjectReference Include="..\AutomobilePlantDataBaseImplements\AutomobilePlantDataBaseImplements.csproj" />
   </ItemGroup>
 
 </Project>

AutomobilePlant/AutomobilePlant/Program.cs

@@ -1,7 +1,7 @@
 using AutomobilePlantBusinessLogic.BusinessLogics;
 using AutomobilePlantContracts.BusinessLogicsContracts;
 using AutomobilePlantContracts.StoragesContracts;
-using AutomomilePlantFileImplement.Implements;
+using AutomobilePlantDataBaseImplements.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

AutomobilePlant/AutomobilePlantDataBaseImplements/AutoPlantDataBase.cs

@@ -0,0 +1,31 @@
+using AutomobilePlantDataBaseImplements.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements
+{
+    public class AutoPlantDataBase : DbContext
+    {
+       
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql("Server=PostgreSQL;Host=localhost;Port=5432;Database=AutoPlantDataBase;Username=postgres;Password=postgres");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+
+        public virtual DbSet<Component> Components { set; get; }
+
+        public virtual DbSet<Car> Cars { set; get; }
+
+        public virtual DbSet<CarComponent> CarComponents { set; get; }
+
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/AutomobilePlantDataBaseImplements.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AbstractAutoContracts\AutomobilePlantContracts.csproj" />
+  </ItemGroup>
+
+</Project>

AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/CarStorage.cs

@@ -0,0 +1,111 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.StoragesContracts;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataBaseImplements.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Implements
+{
+    public class CarStorage : ICarStorage
+    {
+        public List<CarViewModel> GetFullList()
+        {
+            using var context = new AutoPlantDataBase();
+            return context.Cars
+                    .Include(x => x.Components)
+                    .ThenInclude(x => x.Component)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<CarViewModel> GetFilteredList(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CarName))
+            {
+                return new();
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Cars
+                    .Include(x => x.Components)
+                    .ThenInclude(x => x.Component)
+                    .Where(x => x.CarName.Contains(model.CarName))
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public CarViewModel? GetElement(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CarName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Cars
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.CarName) && x.CarName == model.CarName) ||
+                                (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public CarViewModel? Insert(CarBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var newCar = Car.Create(context, model);
+            if (newCar == null)
+            {
+                return null;
+            }
+            context.Cars.Add(newCar);
+            context.SaveChanges();
+            return newCar.GetViewModel;
+        }
+
+        public CarViewModel? Update(CarBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var car = context.Cars.FirstOrDefault(rec => rec.Id == model.Id);
+                if (car == null)
+                {
+                    return null;
+                }
+                car.Update(model);
+                context.SaveChanges();
+                car.UpdateComponents(context, model);
+                transaction.Commit();
+                return car.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public CarViewModel? Delete(CarBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var element = context.Cars
+                .Include(x => x.Components)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Cars.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/ComponentStorage.cs

@@ -0,0 +1,89 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.StoragesContracts;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataBaseImplements.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new AutoPlantDataBase();
+            return context.Components
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Components
+                    .Where(x => x.ComponentName.Contains(model.ComponentName))
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Components
+                    .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
+                                        (model.Id.HasValue && x.Id == model.Id))
+                    ?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/OrderStorage.cs

@@ -0,0 +1,102 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.StoragesContracts;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataBaseImplements.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new AutoPlantDataBase();
+            return context.Orders
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Orders
+                    .Where(x => x.Id == model.Id)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Orders
+                .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+           
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var order = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+                if (order == null)
+                {
+                    return null;
+                }
+                order.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return order.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var element = context.Orders
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Migrations/20230419145215_InitialMigration.Designer.cs

@@ -0,0 +1,175 @@
+// <auto-generated />
+using System;
+using AutomobilePlantDataBaseImplements;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace AutomobilePlantDataBaseImplements.Migrations
+{
+    [DbContext(typeof(AutoPlantDataBase))]
+    [Migration("20230419145215_InitialMigration")]
+    partial class InitialMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Car", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.CarComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.CarComponent", b =>
+                {
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Car", "Car")
+                        .WithMany("Components")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Component", "Component")
+                        .WithMany("CarComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Order", b =>
+                {
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Car", "car")
+                        .WithMany("Orders")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("car");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Car", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Component", b =>
+                {
+                    b.Navigation("CarComponents");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Migrations/20230419145215_InitialMigration.cs

@@ -0,0 +1,127 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace AutomobilePlantDataBaseImplements.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Cars",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CarName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Cars", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CarId = table.Column<int>(type: "integer", nullable: false),
+                    CarName = table.Column<string>(type: "text", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Cars_CarId",
+                        column: x => x.CarId,
+                        principalTable: "Cars",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "CarComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CarId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CarComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_CarComponents_Cars_CarId",
+                        column: x => x.CarId,
+                        principalTable: "Cars",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_CarComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CarComponents_CarId",
+                table: "CarComponents",
+                column: "CarId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CarComponents_ComponentId",
+                table: "CarComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_CarId",
+                table: "Orders",
+                column: "CarId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CarComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Cars");
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Migrations/AutoPlantDataBaseModelSnapshot.cs

@@ -0,0 +1,172 @@
+// <auto-generated />
+using System;
+using AutomobilePlantDataBaseImplements;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace AutomobilePlantDataBaseImplements.Migrations
+{
+    [DbContext(typeof(AutoPlantDataBase))]
+    partial class AutoPlantDataBaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Car", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.CarComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.CarComponent", b =>
+                {
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Car", "Car")
+                        .WithMany("Components")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Component", "Component")
+                        .WithMany("CarComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Order", b =>
+                {
+                    b.HasOne("AutomobilePlantDataBaseImplements.Models.Car", "car")
+                        .WithMany("Orders")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("car");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Car", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDataBaseImplements.Models.Component", b =>
+                {
+                    b.Navigation("CarComponents");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Models/Car.cs

@@ -0,0 +1,104 @@
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+
+namespace AutomobilePlantDataBaseImplements.Models
+{
+    public class Car : ICarModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string CarName { get; set; } = string.Empty;
+
+        [Required]
+        public double Price { get; set; }
+
+        private Dictionary<int, (IComponentModel, int)>? _carComponents = null;
+
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> CarComponents
+        {
+            get
+            {
+                if (_carComponents == null)
+                {
+                    _carComponents = Components
+                            .ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _carComponents;
+            }
+        }
+
+        [ForeignKey("CarId")]
+        public virtual List<CarComponent> Components { get; set; } = new();
+
+        [ForeignKey("CarId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Car Create(AutoPlantDataBase context, CarBindingModel model)
+        {
+            return new Car()
+            {
+                Id = model.Id,
+                CarName = model.CarName,
+                Price = model.Price,
+                Components = model.CarComponents.Select(x => new CarComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(CarBindingModel model)
+        {
+            CarName = model.CarName;
+            Price = model.Price;
+        }
+
+        public CarViewModel GetViewModel => new()
+        {
+            Id = Id,
+            CarName = CarName,
+            Price = Price,
+            CarComponents = CarComponents
+        };
+
+        public void UpdateComponents(AutoPlantDataBase context, CarBindingModel model)
+        {
+            var carComponents = context.CarComponents.Where(rec => rec.CarId == model.Id).ToList();
+            if (carComponents != null && carComponents.Count > 0)
+            {   
+                context.CarComponents.RemoveRange(carComponents.Where(rec => !model.CarComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                
+                foreach (var updateComponent in carComponents)
+                {
+                    updateComponent.Count = model.CarComponents[updateComponent.ComponentId].Item2;
+                    model.CarComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var car = context.Cars.First(x => x.Id == Id);
+            foreach (var pc in model.CarComponents)
+            {
+                context.CarComponents.Add(new CarComponent
+                {
+                    Car = car,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _carComponents = null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Models/CarComponent.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Models
+{
+    public class CarComponent
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int CarId { get; set; }
+
+        [Required]
+        public int ComponentId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Component Component { get; set; } = new();
+
+        public virtual Car Car { get; set; } = new();
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Models/Component.cs

@@ -0,0 +1,68 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+
+        [Required]
+        public double Cost { get; set; }
+
+        [ForeignKey("ComponentId")]
+        public virtual List<CarComponent> CarComponents { get; set; } = new();
+
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

AutomobilePlant/AutomobilePlantDataBaseImplements/Models/Order.cs

@@ -0,0 +1,73 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Enums;
+using AutomobilePlantDataModels.Models;
+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;
+
+namespace AutomobilePlantDataBaseImplements.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int CarId { get; private set; }
+        public string CarName { get; private set; }
+        public Car car { get; private set; }
+        [Required]
+        public int Count { get; private set; }
+        [Required]
+        public double Sum { get; private set; }
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                CarId = model.CarId,
+                CarName = model.CarName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            CarId = CarId,
+            CarName = CarName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}