LabWork03_Hard: Работа готова, возможны фиксы

AutomobilePlant/AutomobilePlant.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AutomobilePlantListImplemen
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutomobilePlantFileImplement", "AutomobilePlantFileImplement\AutomobilePlantFileImplement.csproj", "{10818526-654C-4928-985F-9C02A2A02B15}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutomobilePlantDatabaseImplement", "AutomobilePlantDatabaseImplement\AutomobilePlantDatabaseImplement.csproj", "{6C1976A0-354A-4700-9CDA-3242782F5632}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{10818526-654C-4928-985F-9C02A2A02B15}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{10818526-654C-4928-985F-9C02A2A02B15}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{10818526-654C-4928-985F-9C02A2A02B15}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6C1976A0-354A-4700-9CDA-3242782F5632}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6C1976A0-354A-4700-9CDA-3242782F5632}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6C1976A0-354A-4700-9CDA-3242782F5632}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6C1976A0-354A-4700-9CDA-3242782F5632}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AutomobilePlant/AutomobilePlant/AutomobilePlant.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
   </ItemGroup>
@@ -16,6 +20,7 @@
   <ItemGroup>
     <ProjectReference Include="..\AutomobilePlantBusinessLogic\AutomobilePlantBusinessLogic.csproj" />
     <ProjectReference Include="..\AutomobilePlantContracts\AutomobilePlantContracts.csproj" />
+    <ProjectReference Include="..\AutomobilePlantDatabaseImplement\AutomobilePlantDatabaseImplement.csproj" />
     <ProjectReference Include="..\AutomobilePlantDataModels\AutomobilePlantDataModels.csproj" />
     <ProjectReference Include="..\AutomobilePlantFileImplement\AutomobilePlantFileImplement.csproj" />
     <ProjectReference Include="..\AutomobilePlantListImplements\AutomobilePlantListImplements.csproj" />

AutomobilePlant/AutomobilePlant/Program.cs

@@ -1,7 +1,7 @@
 using AutomobilePlantBusinessLogic.BusinessLogics;
 using AutomobilePlantContracts.BusinessLogicContracts;
 using AutomobilePlantContracts.StorageContracts;
-using AutomobilePlantFileImplement.Implements;
+using AutomobilePlantDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

AutomobilePlant/AutomobilePlantDatabaseImplement/AutomobilePlantDatabase.cs

@@ -0,0 +1,30 @@
+using AutomobilePlantDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement
+{
+    public class AutomobilePlantDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Server=(localdb)\mssqllocaldb;Initial Catalog=AutomobilePlantDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;TrustServerCertificate=True");
+            }
+            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; }
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopCar> ShopCars { set; get; }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/AutomobilePlantDatabaseImplement.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AutomobilePlantContracts\AutomobilePlantContracts.csproj" />
+    <ProjectReference Include="..\AutomobilePlantDataModels\AutomobilePlantDataModels.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Migrations\" />
+  </ItemGroup>
+
+</Project>

AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/CarStorage.cs

@@ -0,0 +1,129 @@
+using AutomobilePlantContracts.StorageContracts;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModels;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+namespace AutomobilePlantDatabaseImplement.Implements
+{
+    public class CarStorage : ICarStorage
+    {
+        public CarViewModel? GetElement(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CarName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutomobilePlantDatabase();
+            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 List<CarViewModel> GetFilteredList(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CarName))
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            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 List<CarViewModel> GetFullList()
+        {
+            using var context = new AutomobilePlantDatabase();
+            return context.Cars
+            .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public CarViewModel? Insert(CarBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            {
+                try
+                {
+                    var newCar = Car.Create(context, model);
+                    if (newCar == null)
+                    {
+                        transaction.Rollback();
+                        return null;
+                    }
+                    context.Cars.Add(newCar);
+
+                    context.SaveChanges();
+                    context.Database.CommitTransaction();
+
+                    return newCar.GetViewModel;
+                }
+                catch (Exception)
+                {
+                    transaction.Rollback();
+                    return null;
+                }
+            }
+        }
+
+        public CarViewModel? Update(CarBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            {
+                try
+                {
+                    var car = context.Cars.FirstOrDefault(x => x.Id == model.Id);
+                    if (car == null)
+                    {
+                        transaction.Rollback();
+                        return null;
+                    }
+
+                    car.Update(model);
+
+                    context.SaveChanges();
+                    context.Database.CommitTransaction();
+
+                    return car.GetViewModel;
+                }
+                catch (Exception)
+                {
+                    transaction.Rollback();
+                    return null;
+                }
+            }
+        }
+        public CarViewModel? Delete(CarBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            var element = context.Cars.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Cars.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,87 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModels;
+using AutomobilePlantContracts.StorageContracts;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Components.FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName)
+            || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new AutomobilePlantDatabase();
+            return context.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new AutomobilePlantDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            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 AutomobilePlantDatabase();
+            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/AutomobilePlantDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,85 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModels;
+using AutomobilePlantContracts.StorageContracts;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Orders.Include(x => x.Car).FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Orders
+            .Where(x => x.Id == model.Id)
+            .Include(x => x.Car)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new AutomobilePlantDatabase();
+            return context.Orders.Include(x => x.Car).Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new AutomobilePlantDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Car).FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Car).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            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/AutomobilePlantDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,140 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModels;
+using AutomobilePlantContracts.StorageContracts;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDatabaseImplement.Models;
+using AutomobilePlantDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
+                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).Where(x => x.Name.Contains(model.Name)).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var newShop = Shop.Create(context, model);
+                if (newShop == null)
+                {
+                    return null;
+                }
+                if (context.Shops.Any(x => x.Name == newShop.Name))
+                {
+                    throw new Exception("Название магазина уже занято");
+                }
+
+                context.Shops.Add(newShop);
+                context.SaveChanges();
+                transaction.Commit();
+                return newShop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                context.SaveChanges();
+                shop.UpdateCars(context, model);
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            var shop = context.Shops.Include(x => x.Cars).FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                context.Shops.Remove(shop);
+                context.SaveChanges();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellCar(ICarModel model, int count)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            foreach (var shopCars in context.ShopCars.Where(x => x.CarId == model.Id))
+            {
+                var min = Math.Min(count, shopCars.Count);
+                shopCars.Count -= min;
+                count -= min;
+                if (count <= 0)
+                {
+                    break;
+                }
+            }
+            if (count == 0)
+            {
+                context.SaveChanges();
+                transaction.Commit();
+            }
+            else
+            {
+                transaction.Rollback();
+            }
+            if (count > 0)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230326225239_ShopsAdded.Designer.cs

@@ -0,0 +1,248 @@
+// <auto-generated />
+using System;
+using AutomobilePlantDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AutomobilePlantDatabaseImplement.Migrations
+{
+    [DbContext(typeof(AutomobilePlantDatabase))]
+    [Migration("20230326225239_ShopsAdded")]
+    partial class ShopsAdded
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("MaxCountCars")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Components")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Component", "Component")
+                        .WithMany("CarComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Orders")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany()
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Cars")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Cars");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20230326225239_ShopsAdded.cs

@@ -0,0 +1,184 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AutomobilePlantDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ShopsAdded : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Cars",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CarName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Cars", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ComponentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                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),
+                    Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    OpeningDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    MaxCountCars = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CarId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = 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_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: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CarId = table.Column<int>(type: "int", nullable: false),
+                    ComponentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", 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.CreateTable(
+                name: "ShopCars",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CarId = table.Column<int>(type: "int", nullable: false),
+                    ShopId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopCars", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopCars_Cars_CarId",
+                        column: x => x.CarId,
+                        principalTable: "Cars",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopCars_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        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");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCars_CarId",
+                table: "ShopCars",
+                column: "CarId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCars_ShopId",
+                table: "ShopCars",
+                column: "ShopId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CarComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "ShopCars");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Cars");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/AutomobilePlantDatabaseModelSnapshot.cs

@@ -0,0 +1,245 @@
+// <auto-generated />
+using System;
+using AutomobilePlantDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AutomobilePlantDatabaseImplement.Migrations
+{
+    [DbContext(typeof(AutomobilePlantDatabase))]
+    partial class AutomobilePlantDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("MaxCountCars")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Components")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Component", "Component")
+                        .WithMany("CarComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Orders")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany()
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Cars")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Cars");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Models/Car.cs

@@ -0,0 +1,101 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Models
+{
+    public class Car : ICarModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string CarName { get; private set; } = string.Empty;
+        [Required]
+        public double Price { get; private 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(AutomobilePlantDatabase context, CarBindingModel model)
+        {
+            var components = context.Components;
+            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(AutomobilePlantDatabase context, CarBindingModel model)
+        {
+            var carComponents = context.CarComponents.Where(rec => rec.CarId == model.Id).ToList();
+            if (carComponents != null && carComponents.Count > 0)
+            {   // удалили те, которых нет в модели
+                context.CarComponents.RemoveRange(carComponents.Where(rec => !model.CarComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                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/AutomobilePlantDatabaseImplement/Models/CarComponent.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Numerics;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.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/AutomobilePlantDatabaseImplement/Models/Component.cs

@@ -0,0 +1,57 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.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 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/AutomobilePlantDatabaseImplement/Models/Order.cs

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

AutomobilePlant/AutomobilePlantDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,113 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModels;
+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 AutomobilePlantDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string Name { get; set; } = string.Empty;
+
+        [Required]
+        public string Address { get; set; } = string.Empty;
+
+        [Required]
+        public DateTime OpeningDate { get; set; }
+
+        [ForeignKey("ShopId")]
+        public List<ShopCar> Cars { get; set; } = new();
+
+        private Dictionary<int, (ICarModel, int)>? _shopCars = null;
+
+        [NotMapped]
+        public Dictionary<int, (ICarModel, int)> ShopCars
+        {
+            get
+            {
+                if (_shopCars == null)
+                {
+                    _shopCars = Cars.ToDictionary(recPC => recPC.CarId, recPC => (recPC.Car as ICarModel, recPC.Count));
+                }
+                return _shopCars;
+            }
+        }
+
+        [Required]
+        public int MaxCountCars { get; set; }
+
+        public static Shop Create(AutomobilePlantDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Address = model.Address,
+                OpeningDate = model.OpeningDate,
+                Cars = model.ShopCars.Select(x => new ShopCar
+                {
+                    Car = context.Cars.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList(),
+                MaxCountCars = model.MaxCountCars
+            };
+        }
+
+        public void Update(ShopBindingModel model)
+        {
+            Name = model.Name;
+            Address = model.Address;
+            OpeningDate = model.OpeningDate;
+            MaxCountCars = model.MaxCountCars;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Address = Address,
+            OpeningDate = OpeningDate,
+            ShopCars = ShopCars,
+            MaxCountCars = MaxCountCars
+        };
+
+        public void UpdateCars(AutomobilePlantDatabase context, ShopBindingModel model)
+        {
+            var ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
+            if (ShopCars != null && ShopCars.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.ShopCars.RemoveRange(ShopCars.Where(rec => !model.ShopCars.ContainsKey(rec.CarId)));
+                context.SaveChanges();
+                ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
+                // обновили количество у существующих записей
+                foreach (var updateCar in ShopCars)
+                {
+                    updateCar.Count = model.ShopCars[updateCar.CarId].Item2;
+                    model.ShopCars.Remove(updateCar.CarId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var elem in model.ShopCars)
+            {
+                context.ShopCars.Add(new ShopCar
+                {
+                    Shop = shop,
+                    Car = context.Cars.First(x => x.Id == elem.Key),
+                    Count = elem.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopCars = null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Models/ShopCar.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Models
+{
+    public class ShopCar
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int CarId { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Car Car { get; set; } = new();
+    }
+}