my-links/database/migrations/1714253983443_create_collections_table.ts

import { BaseSchema } from '@adonisjs/lucid/schema';
import { Visibility } from '../../app/enums/visibility.js';

export default class extends BaseSchema {
  protected tableName = 'collections';
  private visibilityEnumName = 'collection_visibility';

  async up() {
    this.schema.raw(`DROP TYPE IF EXISTS ${this.visibilityEnumName}`);
    this.schema.createTable(this.tableName, (table) => {
      table.uuid('id').primary().unique().notNullable();

      table.string('name', 254).notNullable();
      table.string('description', 254);
      table
        .uuid('next_id')
        .references('id')
        .inTable('collections')
        .defaultTo(null);
      table
        .uuid('author_id')
        .references('id')
        .inTable('users')
        .onDelete('CASCADE');
      table.enum('visibility', Object.values(Visibility), {
        useNative: true,
        enumName: this.visibilityEnumName,
        existingType: false,
      });

      table.timestamp('created_at');
      table.timestamp('updated_at');
    });
  }

  async down() {
    this.schema.raw(`DROP TYPE IF EXISTS ${this.visibilityEnumName}`);
    this.schema.dropTable(this.tableName);
  }
}