Готовая лабораторная 3 (база)

FoodOrders/FoodOrders.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersListImplement", "
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FoodOrdersFileImplement", "FoodOrdersFileImplement\FoodOrdersFileImplement.csproj", "{92F623B7-C680-4A3A-9749-26E87628A02E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FoodOrdersDatabaseImplement", "FoodOrdersDatabaseImplement\FoodOrdersDatabaseImplement.csproj", "{2190363C-BB1A-4955-B88F-C5F516D7A758}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{92F623B7-C680-4A3A-9749-26E87628A02E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{92F623B7-C680-4A3A-9749-26E87628A02E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{92F623B7-C680-4A3A-9749-26E87628A02E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2190363C-BB1A-4955-B88F-C5F516D7A758}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2190363C-BB1A-4955-B88F-C5F516D7A758}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2190363C-BB1A-4955-B88F-C5F516D7A758}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2190363C-BB1A-4955-B88F-C5F516D7A758}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FoodOrders/FoodOrdersDatabaseImplement/FoodOrdersDatabase.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace FoodOrdersDatabaseImplement
+{
+    public class FoodOrdersDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder
+optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=.\SQLEXPRESS;Initial Catalog=FoodOrdersDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Dish> Dishs { set; get; }
+        public virtual DbSet<DishComponent> DishComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/FoodOrdersDatabaseImplement.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.16" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.16" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.16">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="FoodOrdersContracts">
+      <HintPath>..\FoodOrdersContracts\obj\Debug\net6.0\ref\FoodOrdersContracts.dll</HintPath>
+    </Reference>
+    <Reference Include="FoodOrdersDataModels">
+      <HintPath>..\FoodOrdersDataModels\obj\Debug\net6.0\ref\FoodOrdersDataModels.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+</Project>

FoodOrders/FoodOrdersDatabaseImplement/Implemets/ComponentStorage.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            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/FoodOrdersDatabaseImplement/Implemets/DishStorage.cs

@@ -0,0 +1,132 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using System.Xml.Linq;
+using FoodOrdersContracts.StoragesContracts;
+using System.Runtime.ConstrainedExecution;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class DishStorage : IDishStorage
+    {
+        public List<DishViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            return context.Dishs
+            .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 FoodOrdersDatabase();
+            return context.Dishs
+            .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 FoodOrdersDatabase();
+            return context.Dishs.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 FoodOrdersDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            {
+                try
+                {
+                    var newDish = Dish.Create(context, model);
+                    if (newDish == null)
+                    {
+                        transaction.Rollback();
+                        return null;
+                    }
+                    context.Dishs.Add(newDish);
+
+                    context.SaveChanges();
+                    context.Database.CommitTransaction();
+
+                    return newDish.GetViewModel;
+                }
+                catch (Exception)
+                {
+                    transaction.Rollback();
+                    return null;
+                }
+            }
+        }
+
+        public DishViewModel? Update(DishBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            {
+                try
+                {
+                    var Dish = context.Dishs.FirstOrDefault(x => x.Id == model.Id);
+                    if (Dish == null)
+                    {
+                        transaction.Rollback();
+                        return null;
+                    }
+
+                    Dish.Update(model);
+                    Dish.UpdateComponents(context, model);
+
+                    context.SaveChanges();
+                    context.Database.CommitTransaction();
+
+                    return Dish.GetViewModel;
+                }
+                catch (Exception)
+                {
+                    transaction.Rollback();
+                    return null;
+                }
+            }
+        }
+        public DishViewModel? Delete(DishBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            var element = context.Dishs.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Dishs.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Implemets/OrderStorage.cs

@@ -0,0 +1,85 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FoodOrdersDatabase();
+            return context.Orders.Include(x => x.Dish).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 FoodOrdersDatabase();
+            return context.Orders
+            .Where(x => x.Id == model.Id)
+            .Include(x => x.Dish)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            return context.Orders.Include(x => x.Dish).Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new FoodOrdersDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Dish).FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            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.Dish).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20240311061233_InitialCreate.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20240311061233_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.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("Dishs");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20240311061233_InitialCreate.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.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: "Dishs",
+                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_Dishs", 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_Dishs_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishs",
+                        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_Dishs_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishs",
+                        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: "Dishs");
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/FoodOrdersDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    partial class FoodOrdersDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.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("Dishs");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/Component.cs

@@ -0,0 +1,69 @@
+using FoodOrdersDataModels.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 FoodOrdersContracts.ViewModels;
+using FoodOrdersContracts.BindingModels;
+
+namespace FoodOrdersDatabaseImplement.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/FoodOrdersDatabaseImplement/Models/Dish.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using FoodOrdersDataModels.Models;
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+
+namespace FoodOrdersDatabaseImplement.Models
+{
+    public class Dish : IDishModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string DishName { get; private set; } = string.Empty;
+        [Required]
+        public double Price { get; private 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(FoodOrdersDatabase context, DishBindingModel model)
+        {
+            var components = context.Components;
+            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(FoodOrdersDatabase 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.Dishs.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/FoodOrdersDatabaseImplement/Models/DishComponent.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations;
+
+namespace FoodOrdersDatabaseImplement.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/FoodOrdersDatabaseImplement/Models/Order.cs

@@ -0,0 +1,73 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Enums;
+using FoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Runtime.ConstrainedExecution;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FoodOrdersDatabaseImplement.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; } = OrderStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+        public virtual Dish Dish { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order
+            {
+                DishId = model.DishId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            DishId = DishId,
+            Count = Count,
+            Sum = Sum,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+            Status = Status,
+            DishName = Dish.DishName
+        };
+    }
+}

FoodOrders/FoodOrdersView/FoodOrdersView.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.16">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
@@ -17,6 +21,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FoodOrdersBusinessLogic\FoodOrdersBusinessLogic.csproj" />
     <ProjectReference Include="..\FoodOrdersContracts\FoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\FoodOrdersDatabaseImplement\FoodOrdersDatabaseImplement.csproj" />
     <ProjectReference Include="..\FoodOrdersFileImplement\FoodOrdersFileImplement.csproj" />
     <ProjectReference Include="..\FoodOrdersListImplement\FoodOrdersListImplement.csproj" />
   </ItemGroup>

FoodOrders/FoodOrdersView/Program.cs

@@ -1,7 +1,7 @@
 using FoodOrdersBusinessLogic.BusinessLogics;
 using FoodOrdersContracts.BusinessLogicsContracts;
 using FoodOrdersContracts.StoragesContracts;
-using FoodOrdersFileImplement.Implements;
+using FoodOrdersDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;