SUBD_PIbd-23_ZakharovRA/CarShowroom/CarShowroomDatabaseStorage/Migrations/20240505165914_InitialCreate.cs

using System;
using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;

#nullable disable

namespace CarShowroomDatabaseStorage.Migrations
{
    /// <inheritdoc />
    public partial class InitialCreate : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "client",
                columns: table => new
                {
                    client_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    client_name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false, defaultValue: "empty_string"),
                    client_phonenumber = table.Column<string>(type: "character varying(25)", maxLength: 25, nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_client", x => x.client_id);
                });

            migrationBuilder.CreateTable(
                name: "employee",
                columns: table => new
                {
                    employee_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    employee_name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false, defaultValue: "empty_string"),
                    employee_email = table.Column<string>(type: "character varying(40)", maxLength: 40, nullable: false),
                    employee_password = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, defaultValue: "empty_string")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_employee", x => x.employee_id);
                });

            migrationBuilder.CreateTable(
                name: "make",
                columns: table => new
                {
                    make_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    make_name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_make", x => x.make_id);
                });

            migrationBuilder.CreateTable(
                name: "service",
                columns: table => new
                {
                    service_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    service_name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
                    service_cost = table.Column<int>(type: "integer", nullable: false, defaultValue: -1)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_service", x => x.service_id);
                });

            migrationBuilder.CreateTable(
                name: "sale",
                columns: table => new
                {
                    sale_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    sale_time = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    sale_cost = table.Column<int>(type: "integer", nullable: false, defaultValue: -1),
                    sale_client_id = table.Column<int>(type: "integer", nullable: true),
                    sale_employee_id = table.Column<int>(type: "integer", nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_sale", x => x.sale_id);
                    table.ForeignKey(
                        name: "FK_sale_client_sale_client_id",
                        column: x => x.sale_client_id,
                        principalTable: "client",
                        principalColumn: "client_id",
                        onDelete: ReferentialAction.SetNull);
                    table.ForeignKey(
                        name: "FK_sale_employee_sale_employee_id",
                        column: x => x.sale_employee_id,
                        principalTable: "employee",
                        principalColumn: "employee_id",
                        onDelete: ReferentialAction.SetNull);
                });

            migrationBuilder.CreateTable(
                name: "model",
                columns: table => new
                {
                    model_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    model_name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
                    model_price = table.Column<int>(type: "integer", nullable: false, defaultValue: -1),
                    model_make_id = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_model", x => x.model_id);
                    table.ForeignKey(
                        name: "FK_model_make_model_make_id",
                        column: x => x.model_make_id,
                        principalTable: "make",
                        principalColumn: "make_id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "sale_service",
                columns: table => new
                {
                    sale_id = table.Column<int>(type: "integer", nullable: false),
                    service_id = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_sale_service", x => new { x.sale_id, x.service_id });
                    table.ForeignKey(
                        name: "FK_sale_service_sale_sale_id",
                        column: x => x.sale_id,
                        principalTable: "sale",
                        principalColumn: "sale_id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_sale_service_service_service_id",
                        column: x => x.service_id,
                        principalTable: "service",
                        principalColumn: "service_id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "car",
                columns: table => new
                {
                    car_id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    car_color = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false, defaultValue: "empty_string"),
                    car_releasedate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    car_model_id = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_car", x => x.car_id);
                    table.ForeignKey(
                        name: "FK_car_model_car_model_id",
                        column: x => x.car_model_id,
                        principalTable: "model",
                        principalColumn: "model_id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "sale_car",
                columns: table => new
                {
                    sale_id = table.Column<int>(type: "integer", nullable: false),
                    car_id = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_sale_car", x => new { x.sale_id, x.car_id });
                    table.ForeignKey(
                        name: "FK_sale_car_car_car_id",
                        column: x => x.car_id,
                        principalTable: "car",
                        principalColumn: "car_id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_sale_car_sale_sale_id",
                        column: x => x.sale_id,
                        principalTable: "sale",
                        principalColumn: "sale_id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateIndex(
                name: "IX_car_car_model_id",
                table: "car",
                column: "car_model_id");

            migrationBuilder.CreateIndex(
                name: "IX_client_client_phonenumber",
                table: "client",
                column: "client_phonenumber",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_employee_employee_email",
                table: "employee",
                column: "employee_email",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_make_make_name",
                table: "make",
                column: "make_name",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_model_model_make_id",
                table: "model",
                column: "model_make_id");

            migrationBuilder.CreateIndex(
                name: "IX_model_model_name",
                table: "model",
                column: "model_name",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_sale_sale_client_id",
                table: "sale",
                column: "sale_client_id");

            migrationBuilder.CreateIndex(
                name: "IX_sale_sale_employee_id",
                table: "sale",
                column: "sale_employee_id");

            migrationBuilder.CreateIndex(
                name: "IX_sale_car_car_id",
                table: "sale_car",
                column: "car_id");

            migrationBuilder.CreateIndex(
                name: "IX_sale_service_service_id",
                table: "sale_service",
                column: "service_id");

            migrationBuilder.CreateIndex(
                name: "IX_service_service_name",
                table: "service",
                column: "service_name",
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "sale_car");

            migrationBuilder.DropTable(
                name: "sale_service");

            migrationBuilder.DropTable(
                name: "car");

            migrationBuilder.DropTable(
                name: "sale");

            migrationBuilder.DropTable(
                name: "service");

            migrationBuilder.DropTable(
                name: "model");

            migrationBuilder.DropTable(
                name: "client");

            migrationBuilder.DropTable(
                name: "employee");

            migrationBuilder.DropTable(
                name: "make");
        }
    }
}