nextcloud-server/apps/dav/lib/Migration/Version1008Date20181105104826.php

<?php
/**
 * @copyright Copyright (c) 2018 Georg Ehrke
 *
 * @author Georg Ehrke <oc.list@georgehrke.com>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @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/>.
 *
 */

declare(strict_types=1);

namespace OCA\DAV\Migration;

use Closure;
use Doctrine\DBAL\Types\Type;
use OCP\DB\ISchemaWrapper;
use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;

class Version1008Date20181105104826 extends SimpleMigrationStep {

	/** @var IDBConnection */
	private $connection;

	/**
	 * Version1008Date20181105104826 constructor.
	 *
	 * @param IDBConnection $connection
	 */
	public function __construct(IDBConnection $connection) {
		$this->connection = $connection;
	}

	/**
	 * @param IOutput $output
	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 * @return null|ISchemaWrapper
	 */
	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
		/** @var ISchemaWrapper $schema */
		$schema = $schemaClosure();
		$table = $schema->getTable('calendarsubscriptions');

		$table->addColumn('source_copy', Type::TEXT, [
			'notnull' => false,
			'length' => null,
		]);

		return $schema;
	}

	/**
	 * @param IOutput $output
	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 */
	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
		$qb = $this->connection->getQueryBuilder();
		$qb->update('calendarsubscriptions')
			->set('source_copy', 'source')
			->execute();
	}
}