Adonis migration:fresh command with optional seed, that recreates the schema from scratch and seed data

MigrationFresh.js

'use strict';

const { Command } = require('@adonisjs/ace');
const Seeder = require('../../database/seeds/Seeder');
const ace = require('@adonisjs/ace');

class MigrationFresh extends Command {
  /**
   * Command signature
   */
  static get signature() {
    return 'migration:fresh  { --seed : Run the database seeders }';
  }

  /**
   * Command description
   */
  static get description() {
    return 'Drop public schema and recreates it';
  }

  /**
   * Command handler
   */
  async handle(args, options) {
    const Database = use('Database');
    const Config = use('Config');
    const config = Config.get('database.' + Config.get('database.connection'));
    try {
      // Recreate database schema by connection
      this.info('Recreating database schema...');
      if (Config.get('database.connection') === 'pg') {
        await Database.raw('DROP SCHEMA public CASCADE');
        await Database.raw('CREATE SCHEMA public');
      } else if (Config.get('database.connection') === 'mysql') {
        await Database.raw('SET FOREIGN_KEY_CHECKS=0');
        let tables = await Database.raw(`SHOW TABLES FROM ${config.connection.database}`);
        tables = JSON.parse(JSON.stringify(tables));
        tables = tables[0];
        for (const table of tables) {
          const tableName = Object.values(table)[0];
          await Database.raw(`DROP TABLE ${config.connection.database}.${tableName}`);
        }
        await Database.raw('SET FOREIGN_KEY_CHECKS=1');
      }
      this.success(`${this.icon('success')} All tables drop successfully`);

      // Migrate
      await ace.call('migration:run');

      // Seed
      if (options.seed) await new Seeder().run();
    } catch (e) {
      this.failed(`${this.icon('error')} Error recreating: ${e.message}`);
    }
    Database.close();
  }
}

module.exports = MigrationFresh;

start app.js

// You must add this command to your start/app.js commands array
...
const commands = ['App/Commands/MigrationFresh'];
...