DeutschLernen/GermanApp/Infrastructure/Data/Migrations/20260607192743_AddLessonManagementTables.cs

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

#nullable disable

namespace GermanApp.Infrastructure.Data.Migrations
{
    /// <inheritdoc />
    public partial class AddLessonManagementTables : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.RenameColumn(
                name: "Level",
                table: "Lessons",
                newName: "Order");

            migrationBuilder.AddColumn<bool>(
                name: "IsActive",
                table: "Lessons",
                type: "boolean",
                nullable: false,
                defaultValue: true);

            migrationBuilder.AddColumn<int>(
                name: "LevelId",
                table: "Lessons",
                type: "integer",
                nullable: false,
                defaultValue: 0);

            migrationBuilder.AddColumn<string>(
                name: "Topic",
                table: "Lessons",
                type: "character varying(100)",
                maxLength: 100,
                nullable: false,
                defaultValue: "");

            migrationBuilder.CreateTable(
                name: "Levels",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
                    Code = table.Column<string>(type: "character varying(10)", maxLength: 10, nullable: false),
                    Order = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Levels", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "UserProgress",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    UserId = table.Column<int>(type: "integer", nullable: false),
                    LessonId = table.Column<int>(type: "integer", nullable: false),
                    IsCompleted = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
                    QuizScore = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    LastAttemptDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_UserProgress", x => x.Id);
                    table.ForeignKey(
                        name: "FK_UserProgress_Lessons_LessonId",
                        column: x => x.LessonId,
                        principalTable: "Lessons",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_UserProgress_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Lessons_LevelId_Order",
                table: "Lessons",
                columns: new[] { "LevelId", "Order" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_Levels_Code",
                table: "Levels",
                column: "Code",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_Levels_Order",
                table: "Levels",
                column: "Order",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_UserProgress_LessonId",
                table: "UserProgress",
                column: "LessonId");

            migrationBuilder.CreateIndex(
                name: "IX_UserProgress_UserId_LessonId",
                table: "UserProgress",
                columns: new[] { "UserId", "LessonId" },
                unique: true);

            migrationBuilder.AddForeignKey(
                name: "FK_Lessons_Levels_LevelId",
                table: "Lessons",
                column: "LevelId",
                principalTable: "Levels",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Lessons_Levels_LevelId",
                table: "Lessons");

            migrationBuilder.DropTable(
                name: "Levels");

            migrationBuilder.DropTable(
                name: "UserProgress");

            migrationBuilder.DropIndex(
                name: "IX_Lessons_LevelId_Order",
                table: "Lessons");

            migrationBuilder.DropColumn(
                name: "IsActive",
                table: "Lessons");

            migrationBuilder.DropColumn(
                name: "LevelId",
                table: "Lessons");

            migrationBuilder.DropColumn(
                name: "Topic",
                table: "Lessons");

            migrationBuilder.RenameColumn(
                name: "Order",
                table: "Lessons",
                newName: "Level");
        }
    }
}