SushiBar/SushiBar.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SushiBarListImplement", "Su
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SushiBarFileImplement", "SushiBarFileImplement\SushiBarFileImplement.csproj", "{4F721F76-EF7A-4FF3-80B0-77A459D091D7}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SushiBarDatabaseImplement", "SushiBarDatabaseImplement\SushiBarDatabaseImplement.csproj", "{C9C66AFC-1246-4A0C-AB70-8D5C0CF311D9}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{4F721F76-EF7A-4FF3-80B0-77A459D091D7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4F721F76-EF7A-4FF3-80B0-77A459D091D7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4F721F76-EF7A-4FF3-80B0-77A459D091D7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C9C66AFC-1246-4A0C-AB70-8D5C0CF311D9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C9C66AFC-1246-4A0C-AB70-8D5C0CF311D9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C9C66AFC-1246-4A0C-AB70-8D5C0CF311D9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C9C66AFC-1246-4A0C-AB70-8D5C0CF311D9}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SushiBar/SushiBar/Program.cs

@@ -5,7 +5,7 @@ using SushiBar.Forms;
 using SushiBarBusinessLogic.BusinessLogics;
 using SushiBarContracts.BusinessLogicsContracts;
 using SushiBarContracts.StoragesContracts;
-using SushiBarFileImplement.Implements;
+using SushiBarDatabaseImplement.Implements;
 
 namespace SushiBar
 {

SushiBar/SushiBarDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,82 @@
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.SearchModels;
+using SushiBarContracts.StoragesContracts;
+using SushiBarContracts.ViewModels;
+using SushiBarDatabaseImplement.Models;
+
+namespace SushiBarDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new SushiBarDatabase();
+            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 SushiBarDatabase();
+            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 SushiBarDatabase();
+            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 SushiBarDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            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 SushiBarDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,91 @@
+using Microsoft.EntityFrameworkCore;
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.SearchModels;
+using SushiBarContracts.StoragesContracts;
+using SushiBarContracts.ViewModels;
+using SushiBarDatabaseImplement.Models;
+using System.Collections.Generic;
+
+namespace SushiBarDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new SushiBarDatabase();
+            return context.Orders
+                .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            var result = new List<OrderViewModel>();
+            var element = GetElement(model);
+            if (element != null)
+            {
+                result.Add(element);
+            }
+            return new();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new SushiBarDatabase();
+            return context.Orders
+                .FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var order = context.Orders.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (order == null)
+                {
+                    return null;
+                }
+                order.Update(model);
+                context.SaveChanges();
+                order.UpdateSushi(context, model);
+                transaction.Commit();
+                return order.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var element = context.Orders
+                .FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Implements/SushiStorage.cs

@@ -0,0 +1,105 @@
+using Microsoft.EntityFrameworkCore;
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.SearchModels;
+using SushiBarContracts.StoragesContracts;
+using SushiBarContracts.ViewModels;
+using SushiBarDatabaseImplement.Models;
+
+namespace SushiBarDatabaseImplement.Implements
+{
+    public class SushiStorage : ISushiStorage
+    {
+        public List<SushiViewModel> GetFullList()
+        {
+            using var context = new SushiBarDatabase();
+            return context.Sushis
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+
+        }
+        public List<SushiViewModel> GetFilteredList(SushiSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SushiName))
+            {
+                return new();
+            }
+            using var context = new SushiBarDatabase();
+            return context.Sushis
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .Where(x => x.SushiName.Contains(model.SushiName))
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+        public SushiViewModel? GetElement(SushiSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SushiName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new SushiBarDatabase();
+            return context.Sushis
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.SushiName)
+                && x.SushiName == model.SushiName) 
+                || (model.Id.HasValue && x.Id == model.Id))
+                    ?.GetViewModel;
+        }
+        public SushiViewModel? Insert(SushiBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var newSushi = Sushi.Create(context, model);
+            if (newSushi == null)
+            {
+                return null;
+            }
+            context.Sushis.Add(newSushi);
+            context.SaveChanges();
+            return newSushi.GetViewModel;
+        }
+        public SushiViewModel? Update(SushiBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var sushi = context.Sushis.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (sushi == null)
+                {
+                    return null;
+                }
+                sushi.Update(model);
+                context.SaveChanges();
+                sushi.UpdateComponents(context, model);
+                transaction.Commit();
+                return sushi.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+
+        }
+        public SushiViewModel? Delete(SushiBindingModel model)
+        {
+            using var context = new SushiBarDatabase();
+            var element = context.Sushis
+                .Include(x => x.Components)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Sushis.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Migrations/20240313061851_InitialCreate2.Designer.cs

@@ -0,0 +1,169 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SushiBarDatabaseImplement;
+
+#nullable disable
+
+namespace SushiBarDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SushiBarDatabase))]
+    [Migration("20240313061851_InitialCreate2")]
+    partial class InitialCreate2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("SushiId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SushiId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Sushi", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("SushiName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sushis");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.SushiComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SushiId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("SushiId");
+
+                    b.ToTable("SushiComponents");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SushiBarDatabaseImplement.Models.Sushi", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("SushiId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.SushiComponent", b =>
+                {
+                    b.HasOne("SushiBarDatabaseImplement.Models.Component", "Component")
+                        .WithMany("SushiComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SushiBarDatabaseImplement.Models.Sushi", "Sushi")
+                        .WithMany("Components")
+                        .HasForeignKey("SushiId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Sushi");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("SushiComponents");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Sushi", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Migrations/20240313061851_InitialCreate2.cs

@@ -0,0 +1,126 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace SushiBarDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Sushis",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SushiName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sushis", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SushiId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Sushis_SushiId",
+                        column: x => x.SushiId,
+                        principalTable: "Sushis",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "SushiComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SushiId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_SushiComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_SushiComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_SushiComponents_Sushis_SushiId",
+                        column: x => x.SushiId,
+                        principalTable: "Sushis",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_SushiId",
+                table: "Orders",
+                column: "SushiId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SushiComponents_ComponentId",
+                table: "SushiComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SushiComponents_SushiId",
+                table: "SushiComponents",
+                column: "SushiId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "SushiComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Sushis");
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Migrations/SushiBarDatabaseModelSnapshot.cs

@@ -0,0 +1,166 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SushiBarDatabaseImplement;
+
+#nullable disable
+
+namespace SushiBarDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SushiBarDatabase))]
+    partial class SushiBarDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("SushiId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SushiId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Sushi", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("SushiName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sushis");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.SushiComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SushiId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("SushiId");
+
+                    b.ToTable("SushiComponents");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SushiBarDatabaseImplement.Models.Sushi", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("SushiId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.SushiComponent", b =>
+                {
+                    b.HasOne("SushiBarDatabaseImplement.Models.Component", "Component")
+                        .WithMany("SushiComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SushiBarDatabaseImplement.Models.Sushi", "Sushi")
+                        .WithMany("Components")
+                        .HasForeignKey("SushiId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Sushi");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("SushiComponents");
+                });
+
+            modelBuilder.Entity("SushiBarDatabaseImplement.Models.Sushi", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Models/Component.cs

@@ -0,0 +1,48 @@
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.ViewModels;
+using SushiBarDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.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<SushiComponent> SushiComponents { get; set; } = new();
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update (ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

SushiBar/SushiBarDatabaseImplement/Models/Order.cs

@@ -0,0 +1,66 @@
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.ViewModels;
+using SushiBarDataModels.Enums;
+using SushiBarDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int SushiId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        [Required]
+        public double Sum { get; set; }
+        [Required]
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime? DateImplement { get; set; }
+        [Required]
+        Sushi sushi { get; set; } = new();
+
+        public static Order Create(SushiBarDatabase context, OrderBindingModel model)
+        {
+            return new Order()
+            {
+                Id = model.Id,
+                SushiId = model.SushiId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                sushi = context.Sushis.First(x => x.Id == model.Id)
+            };
+        }
+        public void Update(OrderBindingModel model)
+        {
+            Id = model.Id;
+            SushiId = model.SushiId;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SushiId = SushiId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            SushiName = sushi.SushiName
+        };
+        public void UpdateSushi(SushiBarDatabase context, OrderBindingModel model)
+        {
+            sushi = context.Sushis.First(x => x.Id == model.Id);
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Models/Sushi.cs

@@ -0,0 +1,94 @@
+using SushiBarContracts.BindingModels;
+using SushiBarContracts.ViewModels;
+using SushiBarDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Sushi : ISushiModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string SushiName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _sushiComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> SushiComponents
+        {
+            get
+            {
+                if (_sushiComponents == null)
+                {
+                    _sushiComponents = Components
+                        .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                        (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _sushiComponents;
+            }
+        }
+        [ForeignKey("SushiId")]
+        public virtual List<SushiComponent> Components { get; set; } = new();
+        [ForeignKey("SushiId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Sushi Create(SushiBarDatabase context, SushiBindingModel model)
+        {
+            return new Sushi()
+            {
+                Id = model.Id,
+                SushiName = model.SushiName,
+                Price = model.Price,
+                Components = model.SushiComponents.Select(x =>
+                new SushiComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(SushiBindingModel model)
+        {
+            SushiName = model.SushiName;
+            Price = model.Price;
+        }
+        public SushiViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SushiName = SushiName,
+            Price = Price,
+            SushiComponents = SushiComponents
+        };
+        public void UpdateComponents(SushiBarDatabase context, SushiBindingModel model)
+        {
+            var sushiComponents = context.SushiComponents.Where(rec =>
+            rec.SushiId == model.Id).ToList();
+            if (sushiComponents !=  null && sushiComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.SushiComponents.RemoveRange(sushiComponents.Where(rec =>
+                !model.SushiComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in sushiComponents)
+                {
+                    updateComponent.Count = model.SushiComponents[updateComponent.ComponentId].Item2;
+                    model.SushiComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var sushi = context.Sushis.First(x => x.Id == Id);
+            foreach (var pc in model.SushiComponents)
+            {
+                context.SushiComponents.Add(new SushiComponent
+                {
+                    Sushi = sushi,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _sushiComponents = null;
+
+        }
+    }
+}

SushiBar/SushiBarDatabaseImplement/Models/SushiComponent.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class SushiComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int SushiId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Sushi Sushi { get; set; } = new();
+
+    }
+}

SushiBar/SushiBarDatabaseImplement/SushiBarDatabase.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore;
+using SushiBarDatabaseImplement.Models;
+
+namespace SushiBarDatabaseImplement
+{
+    public class SushiBarDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql(@"Host=localhost;Database=SushiBar_db;Username=sushibar;Password=sushibar");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Sushi> Sushis { set; get; }
+        public virtual DbSet<SushiComponent> SushiComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}