nextcloud/lib/private/Repair/Owncloud/DropAccountTermsTable.php

<?php
/**
 * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
 *
 * @author Joas Schilling <coding@schilljs.com>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OC\Repair\Owncloud;

use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;

class DropAccountTermsTable implements IRepairStep {

	/** @var IDBConnection */
	protected $db;

	/**
	 * @param IDBConnection $db
	 */
	public function __construct(IDBConnection $db) {
		$this->db = $db;
	}

	/**
	 * @return string
	 */
	public function getName() {
		return 'Drop account terms table when migrating from ownCloud';
	}

	/**
	 * @param IOutput $output
	 */
	public function run(IOutput $output) {
		if (!$this->db->tableExists('account_terms')) {
			return;
		}

		$this->db->dropTable('account_terms');
	}
}