Принятая лаба.

FoodOrders/AbstractFoodOrdersDatabaseImplement/AbstractFoodOrdersDatabase.cs

@@ -0,0 +1,29 @@
+using AbstractFoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersDatabaseImplement
+{
+    public class AbstractFoodOrdersDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder
+       optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=DESKTOP-7A1PHA0\SQLEXPRESS;
+                Initial Catalog=AbstractFoodOrdersDatabaseFull;
+                Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Dish> Dishes { set; get; }
+        public virtual DbSet<DishComponent> DishComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/AbstractFoodOrdersDatabaseImplement.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="7.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AbstractFoodOrdersContracts\AbstractFoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\AbstractFoodOrdersDataModels\AbstractFoodOrdersDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FoodOrders/AbstractFoodOrdersDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,89 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            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 AbstractFoodOrdersDatabase();
+            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 AbstractFoodOrdersDatabase();
+            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 AbstractFoodOrdersDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            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 AbstractFoodOrdersDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+           model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Implements/DishStorage.cs

@@ -0,0 +1,110 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersDatabaseImplement.Implements
+{
+    public class DishStorage : IDishStorage
+    {
+        public List<DishViewModel> GetFullList()
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            return context.Dishes
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<DishViewModel> GetFilteredList(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName))
+            {
+                return new();
+            }
+            using var context = new AbstractFoodOrdersDatabase();
+            return context.Dishes
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.DishName.Contains(model.DishName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public DishViewModel? GetElement(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AbstractFoodOrdersDatabase();
+            return context.Dishes
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.DishName) &&
+            x.DishName == model.DishName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public DishViewModel? Insert(DishBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            var newProduct = Dish.Create(context, model);
+            if (newProduct == null)
+            {
+                return null;
+            }
+            context.Dishes.Add(newProduct);
+            context.SaveChanges();
+            return newProduct.GetViewModel;
+        }
+        public DishViewModel? Update(DishBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var product = context.Dishes.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 DishViewModel? Delete(DishBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            var element = context.Dishes
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Dishes.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,91 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            return context.Orders
+            .Select(x => AccessDishStorage(x.GetViewModel, context))
+            .ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AbstractFoodOrdersDatabase();
+            return context.Orders
+            .Where(x => x.Id == model.Id)
+            .Select(x => AccessDishStorage(x.GetViewModel, context))
+            .ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AbstractFoodOrdersDatabase();
+            return AccessDishStorage(context.Orders
+            .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+            ?.GetViewModel, context);
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new AbstractFoodOrdersDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return AccessDishStorage(newOrder.GetViewModel, context);
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return AccessDishStorage(order.GetViewModel, context);
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new AbstractFoodOrdersDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return AccessDishStorage(element.GetViewModel, context);
+            }
+            return null;
+        }
+        static OrderViewModel AccessDishStorage(OrderViewModel model, AbstractFoodOrdersDatabase context)
+        {
+            if (model == null) return model;
+            string? dishName = context.Dishes.FirstOrDefault(x => x.Id == model.DishId)?.DishName;
+            if (dishName != null) model.DishName = dishName;
+            return model;
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Migrations/20230402145825_InitialCreate.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using AbstractFoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AbstractFoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(AbstractFoodOrdersDatabase))]
+    [Migration("20230402145825_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.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("AbstractFoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Migrations/20230402145825_InitialCreate.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AbstractFoodOrdersDatabaseImplement.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: "Dishes",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Dishes", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "DishComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishId = 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_DishComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        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"),
+                    DishId = 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_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_ComponentId",
+                table: "DishComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_DishId",
+                table: "DishComponents",
+                column: "DishId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_DishId",
+                table: "Orders",
+                column: "DishId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "DishComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Dishes");
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Migrations/AbstractFoodOrdersDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using AbstractFoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AbstractFoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(AbstractFoodOrdersDatabase))]
+    partial class AbstractFoodOrdersDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.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("AbstractFoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("AbstractFoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("AbstractFoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Models/Component.cs

@@ -0,0 +1,57 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace AbstractFoodOrdersDatabaseImplement.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<DishComponent> DishComponents { 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
+        };
+    }
+
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Models/Dish.cs

@@ -0,0 +1,101 @@
+using AbstractFoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+
+namespace AbstractFoodOrdersDatabaseImplement.Models
+{
+    public class Dish : IDishModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string DishName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _dishComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> DishComponents
+        {
+            get
+            {
+                if (_dishComponents == null)
+                {
+                    _dishComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                   (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _dishComponents;
+            }
+        }
+        [ForeignKey("DishId")]
+        public virtual List<DishComponent> Components { get; set; } = new();
+        [ForeignKey("DishId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Dish Create(AbstractFoodOrdersDatabase context,
+       DishBindingModel model)
+        {
+            return new Dish()
+            {
+                Id = model.Id,
+                DishName = model.DishName,
+                Price = model.Price,
+                Components = model.DishComponents.Select(x => new
+               DishComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(DishBindingModel model)
+        {
+            DishName = model.DishName;
+            Price = model.Price;
+        }
+        public DishViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishName = DishName,
+            Price = Price,
+            DishComponents = DishComponents
+        };
+        public void UpdateComponents(AbstractFoodOrdersDatabase context,
+       DishBindingModel model)
+        {
+            var dishComponents = context.DishComponents.Where(rec =>
+           rec.DishId == model.Id).ToList();
+            if (dishComponents != null && dishComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.DishComponents.RemoveRange(dishComponents.Where(rec
+               => !model.DishComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in dishComponents)
+                {
+                    updateComponent.Count =
+                   model.DishComponents[updateComponent.ComponentId].Item2;
+                    model.DishComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var dish = context.Dishes.First(x => x.Id == Id);
+            foreach (var pc in model.DishComponents)
+            {
+                context.DishComponents.Add(new DishComponent
+                {
+                    Dish = dish,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _dishComponents = null;
+        }
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Models/DishComponent.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 AbstractFoodOrdersDatabaseImplement.Models
+{
+    public class DishComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int DishId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Dish Dish { get; set; } = new();
+    }
+}

FoodOrders/AbstractFoodOrdersDatabaseImplement/Models/Order.cs

@@ -0,0 +1,67 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Enums;
+using AbstractFoodOrdersDataModels.Models;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int DishId { get; private set; }
+        [Required]
+        public int Count { get; private set; }
+        [Required]
+        public double Sum { get; private set; }
+        [Required]
+        public OrderStatus Status { get; private set; }
+        [Required]
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+        public virtual Dish Dish { get; set; }
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                DishId = model.DishId,
+                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;
+            if (model.DateImplement.HasValue) DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishId = DishId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}

FoodOrders/AbstractShopFileImplement/AbstractFoodOrdersFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AbstractFoodOrdersContracts\AbstractFoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\AbstractFoodOrdersDataModels\AbstractFoodOrdersDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FoodOrders/AbstractShopFileImplement/DataFileSingleton.cs

@@ -0,0 +1,63 @@
+using AbstractFoodOrdersFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace AbstractFoodOrdersFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string DishFileName = "Dish.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Dish> Dishes { get; private set; }
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+        public void SaveComponents() => SaveData(Components, ComponentFileName,
+       "Components", x => x.GetXElement);
+        public void SaveDishes() => SaveData(Dishes, DishFileName,
+       "Dishes", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName,
+       "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x =>
+           Component.Create(x)!)!;
+            Dishes = LoadData(DishFileName, "Dish", x =>
+           Dish.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x =>
+           Order.Create(x)!)!;
+        }
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName,
+       Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return
+               XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+            return new List<T>();
+        }
+        private static void SaveData<T>(List<T> data, string filename, string
+       xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName,
+               data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}

FoodOrders/AbstractShopFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,81 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components.Select(x => x.GetViewModel).ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
+       model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            return source.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;
+            }
+            return source.Components.FirstOrDefault(x =>(!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = source.Components.Count > 0 ? source.Components.Max(x =>
+           x.Id) + 1 : 1;
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveComponents();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/AbstractShopFileImplement/Implements/DishStorage.cs

@@ -0,0 +1,86 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersFileImplement.Implements
+{
+    public class DishStorage : IDishStorage
+    {
+        private readonly DataFileSingleton source;
+        public DishStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public DishViewModel? Delete(DishBindingModel model)
+        {
+            var element = source.Dishes.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (element != null)
+            {
+                source.Dishes.Remove(element);
+                source.SaveDishes();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public DishViewModel? GetElement(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Dishes.FirstOrDefault(x =>(!string.IsNullOrEmpty(model.DishName) && x.DishName ==model.DishName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public List<DishViewModel> GetFilteredList(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName))
+            {
+                return new();
+            }
+            return source.Dishes.Where(x => x.DishName.Contains(model.DishName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<DishViewModel> GetFullList()
+        {
+            return source.Dishes.Select(x => x.GetViewModel).ToList();
+        }
+
+        public DishViewModel? Insert(DishBindingModel model)
+        {
+            model.Id = source.Dishes.Count > 0 ? source.Dishes.Max(x =>
+           x.Id) + 1 : 1;
+            var newComponent = Dish.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Dishes.Add(newComponent);
+            source.SaveDishes();
+            return newComponent.GetViewModel;
+        }
+
+        public DishViewModel? Update(DishBindingModel model)
+        {
+            var component = source.Dishes.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveDishes();
+            return component.GetViewModel;
+        }
+    }
+}

FoodOrders/AbstractShopFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,110 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        //для загрузки названий изделия в заказе
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+
+            var manufacture = source.Dishes.FirstOrDefault(x => x.Id == order.DishId);
+
+            if (manufacture != null)
+            {
+                viewModel.DishName = manufacture.DishName;
+            }
+
+            return viewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+
+            return GetViewModel(newOrder);
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            source.SaveOrders();
+
+            return GetViewModel(order);
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+
+                return GetViewModel(element);
+            }
+
+            return null;
+        }
+    }
+}

FoodOrders/AbstractShopFileImplement/Models/Component.cs

@@ -0,0 +1,60 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Models;
+using System.Xml.Linq;
+
+namespace AbstractFoodOrdersFileImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        public string ComponentName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+        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(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+        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
+        };
+        public XElement GetXElement => new("Component",
+        new XAttribute("Id", Id),
+        new XElement("ComponentName", ComponentName),
+        new XElement("Cost", Cost.ToString()));
+    }
+
+}

FoodOrders/AbstractShopFileImplement/Models/Dish.cs

@@ -0,0 +1,100 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace AbstractFoodOrdersFileImplement.Models
+{
+    public class Dish : IDishModel
+    {
+        public int Id { get; private set; }
+        public string DishName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Components { get; private set; } = new();
+        private Dictionary<int, (IComponentModel, int)>? _dishComponents =
+       null;
+        public Dictionary<int, (IComponentModel, int)> DishComponents
+        {
+            get
+            {
+                if (_dishComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _dishComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
+                    y.Value));
+                }
+                return _dishComponents;
+            }
+        }
+        public static Dish? Create(DishBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Dish()
+            {
+                Id = model.Id,
+                DishName = model.DishName,
+                Price = model.Price,
+                Components = model.DishComponents.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+        public static Dish? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Dish()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                DishName = element.Element("DishName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components =
+           element.Element("DishComponents")!.Elements("DishComponent")
+            .ToDictionary(x =>
+           Convert.ToInt32(x.Element("Key")?.Value), x =>
+           Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(DishBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            DishName = model.DishName;
+            Price = model.Price;
+            Components = model.DishComponents.ToDictionary(x => x.Key, x =>
+           x.Value.Item2);
+            _dishComponents = null;
+        }
+        public DishViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishName = DishName,
+            Price = Price,
+            DishComponents = DishComponents
+        };
+        public XElement GetXElement => new("Dish",
+        new XAttribute("Id", Id),
+        new XElement("DishName", DishName),
+        new XElement("Price", Price.ToString()),
+        new XElement("DishComponents", Components.Select(x =>
+       new XElement("DishComponent",
+
+       new XElement("Key", x.Key),
+
+       new XElement("Value", x.Value)))
+
+       .ToArray()));
+    }
+}

FoodOrders/AbstractShopFileImplement/Models/Order.cs

@@ -0,0 +1,92 @@
+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Enums;
+using AbstractFoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace AbstractFoodOrdersFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int DishId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                DishId = model.DishId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                DishId = Convert.ToInt32(element.Element("DishId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null :
+                    Convert.ToDateTime(element.Element("DateImplement")!.Value)
+            };
+        }
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            DishId = model.DishId;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishId = DishId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("DishId", DishId),
+            new XElement("Count", Count.ToString()),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", Status.ToString()),
+            new XElement("DateCreate", DateCreate.ToString()),
+            new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

FoodOrders/FoodOrders.sln

@@ -13,6 +13,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbstractFoodOrdersBusinessL
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbstractFoodOrdersListImplement", "AbstractFoodOrdersListImplement\AbstractFoodOrdersListImplement.csproj", "{275ED134-536F-4025-BE10-2718F66FBD10}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbstractFoodOrdersFileImplement", "AbstractShopFileImplement\AbstractFoodOrdersFileImplement.csproj", "{D0FC0C67-FFF7-4D2A-9194-A1466C82EDAB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbstractFoodOrdersDatabaseImplement", "AbstractFoodOrdersDatabaseImplement\AbstractFoodOrdersDatabaseImplement.csproj", "{E6FA5D86-8EBB-46C7-93D5-CE9FFC7A3566}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +43,14 @@ Global
 		{275ED134-536F-4025-BE10-2718F66FBD10}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{275ED134-536F-4025-BE10-2718F66FBD10}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{275ED134-536F-4025-BE10-2718F66FBD10}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D0FC0C67-FFF7-4D2A-9194-A1466C82EDAB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D0FC0C67-FFF7-4D2A-9194-A1466C82EDAB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D0FC0C67-FFF7-4D2A-9194-A1466C82EDAB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D0FC0C67-FFF7-4D2A-9194-A1466C82EDAB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E6FA5D86-8EBB-46C7-93D5-CE9FFC7A3566}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E6FA5D86-8EBB-46C7-93D5-CE9FFC7A3566}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E6FA5D86-8EBB-46C7-93D5-CE9FFC7A3566}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E6FA5D86-8EBB-46C7-93D5-CE9FFC7A3566}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FoodOrders/FoodOrders/FoodOrders.csproj

@@ -9,15 +9,21 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.4">
+      <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="5.2.2" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.2.3" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\AbstractFoodOrdersBusinessLogic\AbstractFoodOrdersBusinessLogic.csproj" />
     <ProjectReference Include="..\AbstractFoodOrdersContracts\AbstractFoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\AbstractFoodOrdersDatabaseImplement\AbstractFoodOrdersDatabaseImplement.csproj" />
     <ProjectReference Include="..\AbstractFoodOrdersDataModels\AbstractFoodOrdersDataModels.csproj" />
     <ProjectReference Include="..\AbstractFoodOrdersListImplement\AbstractFoodOrdersListImplement.csproj" />
+    <ProjectReference Include="..\AbstractShopFileImplement\AbstractFoodOrdersFileImplement.csproj" />
   </ItemGroup>
 
   <ItemGroup>

FoodOrders/FoodOrders/FormComponent.Designer.cs

@@ -1,4 +1,4 @@
-namespace AbstractFoodOrdersView
+namespace FoodOrders
 {
     partial class FormComponent
     {

FoodOrders/FoodOrders/FormComponent.cs

@@ -12,7 +12,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
-namespace AbstractFoodOrdersView
+namespace FoodOrders
 {
     public partial class FormComponent : Form
     {

FoodOrders/FoodOrders/FormComponents.Designer.cs

@@ -1,4 +1,4 @@
-namespace AbstractFoodOrdersView
+namespace FoodOrders
 {
     partial class FormComponents
     {

FoodOrders/FoodOrders/FormComponents.cs

@@ -12,7 +12,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
-namespace AbstractFoodOrdersView
+namespace FoodOrders
 {
     public partial class FormComponents : Form
     {

FoodOrders/FoodOrders/FormMain.cs

@@ -1,6 +1,5 @@
 using AbstractFoodOrdersContracts.BindingModels;
 using AbstractFoodOrdersContracts.BusinessLogicsContracts;
-using AbstractFoodOrdersView;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;

FoodOrders/FoodOrders/Program.cs

@@ -1,8 +1,7 @@
 using AbstractFoodOrdersBusinessLogic.BusinessLogics;
 using AbstractFoodOrdersContracts.BusinessLogicsContracts;
 using AbstractFoodOrdersContracts.StoragesContracts;
-using AbstractFoodOrdersListImplement.Implements;
-using AbstractFoodOrdersView;
+using AbstractFoodOrdersDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;