FurnitureAssembly/FurnitureAssembly.sln

@@ -13,7 +13,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FurnitureAssemblyBusinessLo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FurnitureAssemblyListImplement", "FurnitureAssemblyListImplement\FurnitureAssemblyListImplement.csproj", "{6662252C-A676-4376-AA01-0ACC6AE5B217}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemFileImplement", "FurnitureAssemFileImplement\FurnitureAssemFileImplement.csproj", "{A6822E0E-DBF3-4DEA-A337-C6C64429C0DE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FurnitureAssemFileImplement", "FurnitureAssemFileImplement\FurnitureAssemFileImplement.csproj", "{A6822E0E-DBF3-4DEA-A337-C6C64429C0DE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemblyDatabaseImplement", "FurnitureAssemblyDatabaseImplement\FurnitureAssemblyDatabaseImplement.csproj", "{F4FAEBEF-1E02-44DE-A13B-27A8C3838D98}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -45,6 +47,10 @@ Global
 		{A6822E0E-DBF3-4DEA-A337-C6C64429C0DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A6822E0E-DBF3-4DEA-A337-C6C64429C0DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A6822E0E-DBF3-4DEA-A337-C6C64429C0DE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F4FAEBEF-1E02-44DE-A13B-27A8C3838D98}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F4FAEBEF-1E02-44DE-A13B-27A8C3838D98}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F4FAEBEF-1E02-44DE-A13B-27A8C3838D98}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F4FAEBEF-1E02-44DE-A13B-27A8C3838D98}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FurnitureAssembly/FurnitureAssembly/FurnitureAssembly.csproj

@@ -19,6 +19,10 @@
   </ItemGroup>
 
   <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.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
@@ -27,6 +31,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\FurnitureAssemblyBusinessLogic\FurnitureAssemblyBusinessLogic.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyDatabaseImplement\FurnitureAssemblyDatabaseImplement.csproj" />
     <ProjectReference Include="..\FurnitureAssemblyListImplement\FurnitureAssemblyListImplement.csproj" />
     <ProjectReference Include="..\FurnitureAssemFileImplement\FurnitureAssemFileImplement.csproj" />
   </ItemGroup>

FurnitureAssembly/FurnitureAssembly/Program.cs

@@ -1,7 +1,7 @@
 using FurnitureAssemblyBusinessLogic;
 using FurnitureAssemblyContracts.BusinessLogicsContarcts;
 using FurnitureAssemblyContracts.StoragesContracts;
-using FurnitureAssemFileImplement.Implements;
+using FurnitureAssemblyDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabase.cs

@@ -0,0 +1,29 @@
+using FurnitureAssemblyDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement
+{
+    public class FurnitureAssemblyDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=zhu\SQLEXPRESS;Initial Catalog=FurnitureAssemblyDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Furniture> Furnitures { set; get; }
+        public virtual DbSet<FurnitureComponent> FurnitureComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopFurniture> ShopFurniture { set; get; }   
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabaseImplement.csproj

@@ -0,0 +1,23 @@
+<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="..\FurnitureAssemblyContracts\FurnitureAssemblyContracts.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyDataModels\FurnitureAssemblyDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,91 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            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 FurnitureAssemblyDatabase();
+            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 FurnitureAssemblyDatabase();
+            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 FurnitureAssemblyDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            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 FurnitureAssemblyDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+           model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/FurnitureStorage.cs

@@ -0,0 +1,114 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Implements
+{
+    public class FurnitureStorage : IFurnitureStorage
+    {
+        public List<FurnitureViewModel> GetFullList()
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Furnitures
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<FurnitureViewModel> GetFilteredList(FurnitureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FurnitureName))
+            {
+                return new();
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Furnitures
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.FurnitureName.Contains(model.FurnitureName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public FurnitureViewModel? GetElement(FurnitureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FurnitureName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Furnitures
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.FurnitureName) &&
+            x.FurnitureName == model.FurnitureName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public FurnitureViewModel? Insert(FurnitureBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var newProduct = Furniture.Create(context, model);
+            if (newProduct == null)
+            {
+                return null;
+            }
+            context.Furnitures.Add(newProduct);
+            context.SaveChanges();
+            return newProduct.GetViewModel;
+        }
+        public FurnitureViewModel? Update(FurnitureBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var product = context.Furnitures.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (product == null)
+                {
+                    return null;
+                }
+                product.Update(model);
+                context.SaveChanges();
+                product.UpdateComponents(context, model);
+                transaction.Commit();
+                return product.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public FurnitureViewModel? Delete(FurnitureBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var element = context.Furnitures.Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Furnitures.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+
+
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,92 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Orders.Include(x => x.Furniture).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 FurnitureAssemblyDatabase();
+            return context.Orders
+            .Include(x => x.Furniture)
+            .Where(x => x.Id == model.Id)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Orders
+            .Include(x => x.Furniture)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Furniture).FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            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.Furniture).FirstOrDefault(x => x.Id == order.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order != null)
+            {
+                context.Orders.Remove(order);
+                context.SaveChanges();
+                return context.Orders.Include(x => x.Furniture).FirstOrDefault(x => x.Id == order.Id)?.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,178 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) &&
+           !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Shops
+             .Include(x => x.ShopFurnitures)
+             .ThenInclude(x => x.Furniture)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) &&
+            x.ShopName == model.ShopName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Shops
+             .Include(x => x.ShopFurnitures)
+            .ThenInclude(x => x.Furniture)
+            .Where(x => x.ShopName.Contains(model.ShopName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Shops
+             .Include(x => x.ShopFurnitures)
+            .ThenInclude(x => x.Furniture)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var element = context.Shops.Include(x => x.ShopFurnitures).FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Shops.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            { 
+                var newShop = Shop.Create(context, model);
+                if (newShop == null)
+                {
+                    return null;
+                }
+                if (GetElement(new ShopSearchModel { ShopName = newShop.ShopName}) != null)
+                {
+                    throw new Exception("Магазин с таким названием уже есть");
+                }
+               
+                context.Shops.Add(newShop);
+                context.SaveChanges();
+                transaction.Commit();
+                return newShop.GetViewModel;
+            } 
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+            
+        }
+
+        public bool Sell(FurnitureBindingModel furniture, int count)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            foreach (var shop in context.Shops.Include(x => x.ShopFurnitures).ThenInclude(x => x.Furniture).ToList())
+            {
+                if (shop.Furnitures.ContainsKey(furniture.Id))
+                {
+                    if (shop.Furnitures[furniture.Id].Item2 >= count)
+                    {
+                        shop.Furnitures[furniture.Id] = (shop.Furnitures[furniture.Id].Item1, shop.Furnitures[furniture.Id].Item2 - count);
+                        count = 0;
+                    }
+                    else
+                    {
+                        count -= shop.Furnitures[furniture.Id].Item2;
+                        shop.Furnitures[furniture.Id] = (shop.Furnitures[furniture.Id].Item1, 0);
+                    }
+                    var model = new ShopBindingModel
+                    {
+                        Id = shop.Id,
+                        ShopName = shop.ShopName,
+                        MaxCount = shop.MaxCount,
+                        Furnitures = shop.Furnitures,
+                        Address = shop.Address,
+                        DateOpening = shop.DateOpening
+                    };
+                    shop.Update(model);
+                    shop.UpdateFurnitures(context, model);
+                    if (count == 0)
+                        break;
+                }
+            }
+            if (count == 0)
+            {
+                context.SaveChanges();
+                transaction.Commit();
+                return true;
+            }
+            else
+            {
+                transaction.Rollback();
+                return false;
+            }
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                if (model.Furnitures.Count > 0)
+                {
+                    shop.UpdateFurnitures(context, model);
+                }
+                context.SaveChanges();              
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230226173756_InitialCreate.Designer.cs

@@ -0,0 +1,176 @@
+// <auto-generated />
+using System;
+using FurnitureAssemblyDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FurnitureAssemblyDatabase))]
+    [Migration("20230226173756_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <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("FurnitureAssemblyDatabaseImplement.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("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Furnitures");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FurnitureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Components")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230226173756_InitialCreate.cs

@@ -0,0 +1,127 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    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: "Furnitures",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    FurnitureName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Furnitures", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "FurnitureComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ProductId = table.Column<int>(type: "int", nullable: false),
+                    ComponentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    FurnitureId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_FurnitureComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_FurnitureComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_FurnitureComponents_Furnitures_FurnitureId",
+                        column: x => x.FurnitureId,
+                        principalTable: "Furnitures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    FurnitureId = table.Column<int>(type: "int", nullable: false),
+                    FurnitureName = table.Column<string>(type: "nvarchar(max)", 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_Furnitures_FurnitureId",
+                        column: x => x.FurnitureId,
+                        principalTable: "Furnitures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_FurnitureComponents_ComponentId",
+                table: "FurnitureComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_FurnitureComponents_FurnitureId",
+                table: "FurnitureComponents",
+                column: "FurnitureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_FurnitureId",
+                table: "Orders",
+                column: "FurnitureId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "FurnitureComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Furnitures");
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230311052240_SecondMigration.Designer.cs

@@ -0,0 +1,174 @@
+// <auto-generated />
+using System;
+using FurnitureAssemblyDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FurnitureAssemblyDatabase))]
+    [Migration("20230311052240_SecondMigration")]
+    partial class SecondMigration
+    {
+        /// <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("FurnitureAssemblyDatabaseImplement.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("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Furnitures");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FurnitureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Components")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Orders")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230311052240_SecondMigration.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class SecondMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "FurnitureName",
+                table: "Orders");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "FurnitureName",
+                table: "Orders",
+                type: "nvarchar(max)",
+                nullable: false,
+                defaultValue: "");
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230312131725_ThirdMigration.Designer.cs

@@ -0,0 +1,251 @@
+// <auto-generated />
+using System;
+using FurnitureAssemblyDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FurnitureAssemblyDatabase))]
+    [Migration("20230312131725_ThirdMigration")]
+    partial class ThirdMigration
+    {
+        /// <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("FurnitureAssemblyDatabaseImplement.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("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Furnitures");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.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<DateTime>("DateOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCount")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.ShopFurniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopFurniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FurnitureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Components")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Orders")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.ShopFurniture", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany()
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("ShopFurnitures")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("ShopFurnitures");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230312131725_ThirdMigration.cs

@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ThirdMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ShopName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    DateOpening = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    MaxCount = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopFurniture",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ShopId = table.Column<int>(type: "int", nullable: false),
+                    FurnitureId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopFurniture", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopFurniture_Furnitures_FurnitureId",
+                        column: x => x.FurnitureId,
+                        principalTable: "Furnitures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopFurniture_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopFurniture_FurnitureId",
+                table: "ShopFurniture",
+                column: "FurnitureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopFurniture_ShopId",
+                table: "ShopFurniture",
+                column: "ShopId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ShopFurniture");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230323163820_FixMigration.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using FurnitureAssemblyDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FurnitureAssemblyDatabase))]
+    [Migration("20230323163820_FixMigration")]
+    partial class FixMigration
+    {
+        /// <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("FurnitureAssemblyDatabaseImplement.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("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Furnitures");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FurnitureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Components")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Orders")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/20230323163820_FixMigration.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class FixMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "ProductId",
+                table: "FurnitureComponents");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "ProductId",
+                table: "FurnitureComponents",
+                type: "int",
+                nullable: false,
+                defaultValue: 0);
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Migrations/FurnitureAssemblyDatabaseModelSnapshot.cs

@@ -0,0 +1,245 @@
+// <auto-generated />
+using System;
+using FurnitureAssemblyDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FurnitureAssemblyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FurnitureAssemblyDatabase))]
+    partial class FurnitureAssemblyDatabaseModelSnapshot : 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("FurnitureAssemblyDatabaseImplement.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("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FurnitureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Furnitures");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.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<DateTime>("DateOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCount")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.ShopFurniture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FurnitureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FurnitureId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopFurniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.FurnitureComponent", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FurnitureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Components")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany("Orders")
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.ShopFurniture", b =>
+                {
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Furniture", "Furniture")
+                        .WithMany()
+                        .HasForeignKey("FurnitureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FurnitureAssemblyDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("ShopFurnitures")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Furniture");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FurnitureComponents");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Furniture", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FurnitureAssemblyDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("ShopFurnitures");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Component.cs

@@ -0,0 +1,58 @@
+
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace FurnitureAssemblyDatabaseImplement.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<FurnitureComponent> FurnitureComponents { 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
+        };
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Furniture.cs

@@ -0,0 +1,98 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.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 FurnitureAssemblyDatabaseImplement.Models
+{
+    public class Furniture : IFurnitureModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string FurnitureName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _furnitureComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> FurnitureComponents
+        {
+            get
+            {
+                if (_furnitureComponents == null)
+                {
+                    _furnitureComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                   (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _furnitureComponents;
+            }
+        }
+        [ForeignKey("FurnitureId")]
+        public virtual List<FurnitureComponent> Components { get; set; } = new();
+        [ForeignKey("FurnitureId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Furniture Create(FurnitureAssemblyDatabase context, FurnitureBindingModel model)
+        {
+            return new Furniture()
+            {
+                Id = model.Id,
+                FurnitureName = model.FurnitureName,
+                Price = model.Price,
+                Components = model.FurnitureComponents.Select(x => new FurnitureComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(FurnitureBindingModel model)
+        {
+            FurnitureName = model.FurnitureName;
+            Price = model.Price;
+        }
+        public FurnitureViewModel GetViewModel => new()
+        {
+            Id = Id,
+            FurnitureName = FurnitureName,
+            Price = Price,
+            FurnitureComponents = FurnitureComponents
+        };
+
+        public void UpdateComponents(FurnitureAssemblyDatabase context, FurnitureBindingModel model)
+        {
+            var furnitureComponents = context.FurnitureComponents.Where(rec => rec.FurnitureId == model.Id).ToList();
+            if (furnitureComponents != null && furnitureComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.FurnitureComponents.RemoveRange(furnitureComponents.Where(rec
+               => !model.FurnitureComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in furnitureComponents)
+                {
+                    updateComponent.Count = model.FurnitureComponents[updateComponent.ComponentId].Item2;
+                    model.FurnitureComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var furniture = context.Furnitures.First(x => x.Id == Id);
+            foreach (var pc in model.FurnitureComponents)
+            {
+                context.FurnitureComponents.Add(new FurnitureComponent
+                {
+                    Furniture = furniture,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _furnitureComponents = null;
+        }
+
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/FurnitureComponent.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Models
+{
+    public class FurnitureComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int FurnitureId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Furniture Furniture { get; set; } = new();
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Order.cs

@@ -0,0 +1,89 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Enums;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int FurnitureId { 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 Furniture Furniture { get; set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                FurnitureId = model.FurnitureId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public static Order Create(OrderViewModel model)
+        {
+            return new Order
+            {
+                Id = model.Id,
+                FurnitureId = model.FurnitureId,
+                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,
+            FurnitureId = FurnitureId,
+            FurnitureName = Furniture.FurnitureName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,117 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+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 FurnitureAssemblyDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ShopName { get; private set; } = string.Empty;
+        [Required]
+        public string Address { get; private set; } = string.Empty;
+        [Required]
+        public DateTime DateOpening { get; private set; }
+
+        private Dictionary<int, (IFurnitureModel, int)>? _furnitures = null;
+        [NotMapped]
+        public Dictionary<int, (IFurnitureModel, int)> Furnitures
+        {
+            get
+            {
+                if (_furnitures == null)
+                {
+                    _furnitures = ShopFurnitures
+                    .ToDictionary(recSF => recSF.FurnitureId, recSF =>
+                   (recSF.Furniture as IFurnitureModel, recSF.Count));
+
+                }
+                return _furnitures;
+            }
+            private set { }
+        }
+
+        public int MaxCount { get; private set; }
+
+        [ForeignKey("ShopId")]
+        public virtual List<ShopFurniture> ShopFurnitures { get; set; } = new();
+
+        public static Shop? Create(FurnitureAssemblyDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                MaxCount = model.MaxCount,
+                ShopFurnitures = model.Furnitures.Select(x => new ShopFurniture
+                {
+                    Furniture = context.Furnitures.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            MaxCount = model.MaxCount;
+            DateOpening = model.DateOpening;
+            Furnitures = model.Furnitures;
+        }
+
+        public void UpdateFurnitures(FurnitureAssemblyDatabase context, ShopBindingModel model)
+        {
+            var shopFurnitures = context.ShopFurniture.Where(rec => rec.ShopId == model.Id).ToList();
+            if (shopFurnitures != null && shopFurnitures.Count >= 0)
+            { // удалили те, которых нет в модели
+                context.ShopFurniture.RemoveRange(shopFurnitures.Where(rec => !model.Furnitures.ContainsKey(rec.FurnitureId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in shopFurnitures)
+                {
+                    updateComponent.Count = model.Furnitures[updateComponent.FurnitureId].Item2;
+                    model.Furnitures.Remove(updateComponent.FurnitureId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var pc in model.Furnitures)
+            {
+                context.ShopFurniture.Add(new ShopFurniture
+                {
+                    Shop = shop,
+                    Furniture = context.Furnitures.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _furnitures = null;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpening = DateOpening,
+            MaxCount = MaxCount,
+            Furnitures = Furnitures
+        };
+    }
+}

FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/ShopFurniture.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Models
+{
+    public class ShopFurniture
+    {
+        public int Id { get; set; }
+        [Required]
+        public int ShopId { get; set; }
+        [Required]
+        public int FurnitureId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Shop Shop { get; set; } = new();
+        public virtual Furniture Furniture { get; set; } = new();
+    }
+}