SUBD_Forum/ForumView/ForumDatabaseImplement/Migrations/20240515093615_InitNew.cs

using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace ForumDatabaseImplement.Migrations
{
    /// <inheritdoc />
    public partial class InitNew : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Categories",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    CategoryName = table.Column<string>(type: "nvarchar(max)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Categories", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Users",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Nickname = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    Email = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    RegistrationDate = table.Column<DateTime>(type: "datetime2", nullable: false),
                    ActivityDate = table.Column<DateTime>(type: "datetime2", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Users", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Questions",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    CreateDate = table.Column<DateTime>(type: "datetime2", nullable: false),
                    UserId = table.Column<int>(type: "int", nullable: false),
                    CategoryId = table.Column<int>(type: "int", nullable: false),
                    Topic = table.Column<string>(type: "nvarchar(max)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Questions", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Questions_Categories_CategoryId",
                        column: x => x.CategoryId,
                        principalTable: "Categories",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.NoAction);
                    table.ForeignKey(
                        name: "FK_Questions_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Answers",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    ResponseDate = table.Column<DateTime>(type: "datetime2", nullable: false),
                    QuestionId = table.Column<int>(type: "int", nullable: false),
                    UserId = table.Column<int>(type: "int", nullable: false),
                    Comment = table.Column<string>(type: "nvarchar(max)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Answers", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Answers_Questions_QuestionId",
                        column: x => x.QuestionId,
                        principalTable: "Questions",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.NoAction);
                    table.ForeignKey(
                        name: "FK_Answers_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Answers_QuestionId",
                table: "Answers",
                column: "QuestionId");

            migrationBuilder.CreateIndex(
                name: "IX_Answers_UserId",
                table: "Answers",
                column: "UserId");

            migrationBuilder.CreateIndex(
                name: "IX_Questions_CategoryId",
                table: "Questions",
                column: "CategoryId");

            migrationBuilder.CreateIndex(
                name: "IX_Questions_UserId",
                table: "Questions",
                column: "UserId");
        }

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

            migrationBuilder.DropTable(
                name: "Questions");

            migrationBuilder.DropTable(
                name: "Categories");

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