PIbd-23-Volkov-N.A.-ComputersShop/ComputersShop/ComputersShopDataBaseImplement/Migrations/20240304180911_InitialCreate.cs

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

#nullable disable

namespace ComputersShopDataBaseImplement.Migrations
{
    /// <inheritdoc />
    public partial class InitialCreate : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Components",
                columns: table => new
                {
                    Id = table.Column<int>(type: "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: "Computers",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    ComputerName = table.Column<string>(type: "text", nullable: false),
                    Price = table.Column<double>(type: "double precision", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Computers", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "ComputerComponents",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    ComputerId = 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_ComputerComponents", x => x.Id);
                    table.ForeignKey(
                        name: "FK_ComputerComponents_Components_ComponentId",
                        column: x => x.ComponentId,
                        principalTable: "Components",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_ComputerComponents_Computers_ComputerId",
                        column: x => x.ComputerId,
                        principalTable: "Computers",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Orders",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    ComputerId = 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_Computers_ComputerId",
                        column: x => x.ComputerId,
                        principalTable: "Computers",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_ComputerComponents_ComponentId",
                table: "ComputerComponents",
                column: "ComponentId");

            migrationBuilder.CreateIndex(
                name: "IX_ComputerComponents_ComputerId",
                table: "ComputerComponents",
                column: "ComputerId");

            migrationBuilder.CreateIndex(
                name: "IX_Orders_ComputerId",
                table: "Orders",
                column: "ComputerId");
        }

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

            migrationBuilder.DropTable(
                name: "Orders");

            migrationBuilder.DropTable(
                name: "Components");

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