diff --git a/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj b/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj
index 26b239e..8e1c411 100644
--- a/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj
+++ b/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj
@@ -12,6 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="netcore-psql-util" Version="1.2.1" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
   </ItemGroup>
 
diff --git a/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).Designer.cs b/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).Designer.cs
new file mode 100644
index 0000000..9c58b1e
--- /dev/null
+++ b/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).Designer.cs	
@@ -0,0 +1,452 @@
+// <auto-generated />
+using System;
+using ComputerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerShopDatabase))]
+    [Migration("20240427160810_Первая пробная (Гоша)")]
+    partial class ПерваяпробнаяГоша
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.18")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AssemblyName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Assemblies");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.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.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int?>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Warranty")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId1")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("ComponentId1");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateRequest")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RequestId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("RequestId");
+
+                    b.ToTable("RequestOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateShipment")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("ProviderName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.ToTable("ShipmentOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Role")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Components")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("AssemblyComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany()
+                        .HasForeignKey("ComponentId1")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany()
+                        .HasForeignKey("AssemblyId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Requests")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Request", "Request")
+                        .WithMany("Orders")
+                        .HasForeignKey("RequestId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Shipments")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Orders")
+                        .HasForeignKey("ShipmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).cs b/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).cs
new file mode 100644
index 0000000..bf28fa1
--- /dev/null
+++ b/ComputerShopDatabaseImplement/Migrations/20240427160810_Первая пробная (Гоша).cs	
@@ -0,0 +1,338 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ПерваяпробнаяГоша : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Assemblies",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    AssemblyName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false),
+                    Category = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Assemblies", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    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: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    ProductName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false),
+                    Warranty = table.Column<int>(type: "integer", nullable: false),
+                    ShipmentId = table.Column<int>(type: "integer", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Login = table.Column<string>(type: "text", nullable: false),
+                    Password = table.Column<string>(type: "text", nullable: false),
+                    Email = table.Column<string>(type: "text", nullable: false),
+                    Role = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AssemblyComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AssemblyId = 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_AssemblyComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AssemblyComponents_Assemblies_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Assemblies",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_AssemblyComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProductComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId1 = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Components_ComponentId1",
+                        column: x => x.ComponentId1,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ProductComponents_Products_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Requests",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    AssemblyId = table.Column<int>(type: "integer", nullable: true),
+                    DateRequest = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    ClientFIO = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Requests", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Requests_Assemblies_AssemblyId",
+                        column: x => x.AssemblyId,
+                        principalTable: "Assemblies",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Requests_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Shipments",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    ProviderName = table.Column<string>(type: "text", nullable: false),
+                    DateShipment = table.Column<DateTime>(type: "timestamp without time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shipments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Shipments_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RequestOrders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RequestId = table.Column<int>(type: "integer", nullable: false),
+                    OrderId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RequestOrders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RequestOrders_Orders_OrderId",
+                        column: x => x.OrderId,
+                        principalTable: "Orders",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RequestOrders_Requests_RequestId",
+                        column: x => x.RequestId,
+                        principalTable: "Requests",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShipmentOrders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShipmentId = table.Column<int>(type: "integer", nullable: false),
+                    OrderId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShipmentOrders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShipmentOrders_Orders_OrderId",
+                        column: x => x.OrderId,
+                        principalTable: "Orders",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShipmentOrders_Shipments_ShipmentId",
+                        column: x => x.ShipmentId,
+                        principalTable: "Shipments",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AssemblyComponents_ComponentId",
+                table: "AssemblyComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ComponentId",
+                table: "ProductComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductComponents_ComponentId1",
+                table: "ProductComponents",
+                column: "ComponentId1");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RequestOrders_OrderId",
+                table: "RequestOrders",
+                column: "OrderId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RequestOrders_RequestId",
+                table: "RequestOrders",
+                column: "RequestId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Requests_AssemblyId",
+                table: "Requests",
+                column: "AssemblyId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Requests_UserId",
+                table: "Requests",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShipmentOrders_OrderId",
+                table: "ShipmentOrders",
+                column: "OrderId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShipmentOrders_ShipmentId",
+                table: "ShipmentOrders",
+                column: "ShipmentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Shipments_UserId",
+                table: "Shipments",
+                column: "UserId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "AssemblyComponents");
+
+            migrationBuilder.DropTable(
+                name: "ProductComponents");
+
+            migrationBuilder.DropTable(
+                name: "RequestOrders");
+
+            migrationBuilder.DropTable(
+                name: "ShipmentOrders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Requests");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Shipments");
+
+            migrationBuilder.DropTable(
+                name: "Assemblies");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+        }
+    }
+}
diff --git a/ComputerShopDatabaseImplement/Migrations/ComputerShopDatabaseModelSnapshot.cs b/ComputerShopDatabaseImplement/Migrations/ComputerShopDatabaseModelSnapshot.cs
new file mode 100644
index 0000000..1495740
--- /dev/null
+++ b/ComputerShopDatabaseImplement/Migrations/ComputerShopDatabaseModelSnapshot.cs
@@ -0,0 +1,449 @@
+// <auto-generated />
+using System;
+using ComputerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ComputerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(ComputerShopDatabase))]
+    partial class ComputerShopDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.18")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AssemblyName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Assemblies");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.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.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int?>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Warranty")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId1")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("ComponentId1");
+
+                    b.ToTable("ProductComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("AssemblyId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateRequest")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssemblyId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Requests");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RequestId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("RequestId");
+
+                    b.ToTable("RequestOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateShipment")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("ProviderName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShipmentId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ShipmentId");
+
+                    b.ToTable("ShipmentOrders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Role")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.AssemblyComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany("Components")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("AssemblyComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ProductComponent", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Components")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany()
+                        .HasForeignKey("ComponentId1")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Assembly", "Assembly")
+                        .WithMany()
+                        .HasForeignKey("AssemblyId");
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Assembly");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.RequestOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Requests")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Request", "Request")
+                        .WithMany("Orders")
+                        .HasForeignKey("RequestId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Request");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.ShipmentOrder", b =>
+                {
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Order", "Order")
+                        .WithMany("Shipments")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputerShopDatabaseImplement.Models.Shipment", "Shipment")
+                        .WithMany("Orders")
+                        .HasForeignKey("ShipmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Shipment");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Assembly", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("AssemblyComponents");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Navigation("Requests");
+
+                    b.Navigation("Shipments");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Request", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("ComputerShopDatabaseImplement.Models.Shipment", b =>
+                {
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/ComputerShopRestApi/ComputerShopRestApi.csproj b/ComputerShopRestApi/ComputerShopRestApi.csproj
index 249f14b..9339130 100644
--- a/ComputerShopRestApi/ComputerShopRestApi.csproj
+++ b/ComputerShopRestApi/ComputerShopRestApi.csproj
@@ -7,6 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.18">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="6.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
   </ItemGroup>
diff --git a/ComputerShopRestApi/Program.cs b/ComputerShopRestApi/Program.cs
index d0e000f..7c64ca5 100644
--- a/ComputerShopRestApi/Program.cs
+++ b/ComputerShopRestApi/Program.cs
@@ -1,15 +1,43 @@
+using ComputerShopBusinessLogic.BusinessLogics;
+using ComputerShopContracts.BusinessLogicContracts;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopDatabaseImplement.Implements;
+using Microsoft.OpenApi.Models;
+
 var Builder = WebApplication.CreateBuilder(args);
+Builder.Logging.SetMinimumLevel(LogLevel.Trace);
+Builder.Logging.AddLog4Net("log4net.config");
+
+
+Builder.Services.AddTransient<IUserStorage, UserStorage>();
+Builder.Services.AddTransient<IShipmentStorage, ShipmentStorage>();
+Builder.Services.AddTransient<IRequestStorage, RequestStorage>();
+Builder.Services.AddTransient<IOrderStorage, OrderStorage>();
+
+
+Builder.Services.AddTransient<IUserLogic, UserLogic>();
+Builder.Services.AddTransient<IShipmentLogic, ShipmentLogic>();
+Builder.Services.AddTransient<IRequestLogic, RequestLogic>();
+Builder.Services.AddTransient<IOrderLogic, OrderLogic>();
+
 
 Builder.Services.AddControllers();
 Builder.Services.AddEndpointsApiExplorer();
-Builder.Services.AddSwaggerGen();
+Builder.Services.AddSwaggerGen(c =>
+{
+	c.SwaggerDoc("v1", new OpenApiInfo
+	{
+		Title = "ComputerShopRestApi",
+		Version = "v1"
+	});
+});
 
 var App = Builder.Build();
 
 if (App.Environment.IsDevelopment())
 {
     App.UseSwagger();
-    App.UseSwaggerUI();
+	App.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "ComputerShopRestApi v1"));
 }
 
 App.UseHttpsRedirection();
diff --git a/ComputerShopRestApi/log4net.config b/ComputerShopRestApi/log4net.config
new file mode 100644
index 0000000..59a1978
--- /dev/null
+++ b/ComputerShopRestApi/log4net.config
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<log4net>
+	<appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
+		<file value="c:/temp/ComputerShopRestApi.log" />
+		<appendToFile value="true" />
+		<maximumFileSize value="100KB" />
+		<maxSizeRollBackups value="2" />
+		<layout type="log4net.Layout.PatternLayout">
+			<conversionPattern value="%date %5level %logger.%method [%line] - MESSAGE: %message%newline %exception" />
+		</layout>
+	</appender>
+	<root>
+		<level value="TRACE" />
+		<appender-ref ref="RollingFile" />
+	</root>
+</log4net>
\ No newline at end of file