owncloud/core

<?php
/**
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Philipp Schaffrath <pschaffrath@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\Files_External\Migrations;

use OC\Files\External\Service\GlobalStoragesService;
use OC\Files\External\Service\LegacyStoragesService;
use OCP\Migration\IOutput;
use OCP\Migration\ISimpleMigration;

/**
 * migrate mount.json mounts into the database
 */
class Version20170814051424 implements ISimpleMigration {
    /**
     * @param IOutput $out
     */
    public function run(IOutput $out) {
        /** @var GlobalStoragesService $globalStoragesService */
        $globalStoragesService = \OC::$server->query('GlobalStoragesService');
        $legacyStoragesService = new LegacyStoragesService(\OC::$server->getStoragesBackendService());

        $legacyStorages = $legacyStoragesService->getAllStorages();

        foreach ($legacyStorages as $legacyStorage) {
            try {
                $mountOptions = $legacyStorage->getMountOptions();
                if (!empty($mountOptions) && !isset($mountOptions['enable_sharing'])) {
                    // existing mounts must have sharing enabled by default to avoid surprises
                    $mountOptions['enable_sharing'] = true;
                    $legacyStorage->setMountOptions($mountOptions);
                }
                $globalStoragesService->addStorage($legacyStorage);
            } catch (\Exception $exception) {
                $out->warning(
                    'There has been an error migrating an external storage from mount.json to the database. The affected mount point is "' .
                    $legacyStorage->getMountPoint() . '" and the type is "' . $legacyStorage->getBackend()->getIdentifier() . '"'
                );
            }
        }
    }
}