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<?php
/**
* @copyright Copyright (c) 2017 Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
*
* @author Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
* @author René Gieling <github@dartcafe.de>
*
* @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 OCA\Polls\Db;
use Doctrine\DBAL\Exception\DatabaseObjectNotFoundException;
use OCP\AppFramework\Db\QBMapper;
use OCP\DB\Exception;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
/**
* @template-extends QBMapper<Preferences>
*/
class PreferencesMapper extends QBMapper {
public function __construct(IDBConnection $db) {
parent::__construct($db, 'polls_preferences', Preferences::class);
}
/**
* @throws \OCP\AppFramework\Db\DoesNotExistException if not found
* @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException if more than one result
* @return Preferences
*/
public function find(string $userId): Preferences {
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from($this->getTableName())
->where(
$qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR))
);
return $this->findEntity($qb);
}
public function removeDuplicates($output = null): int {
$count = 0;
try {
$query = $this->db->getQueryBuilder();
$query->delete($this->getTableName())
->where('user_id = :userId')
->setParameter('userId', '');
$query->execute();
// remove duplicate preferences from oc_polls_preferences
// preserve the last user setting in the db
$query = $this->db->getQueryBuilder();
$query->select('id', 'user_id')
->from($this->getTableName());
$users = $query->execute();
$delete = $this->db->getQueryBuilder();
$delete->delete($this->getTableName())
->where('id = :id');
$userskeep = [];
while ($row = $users->fetch()) {
if (in_array($row['user_id'], $userskeep)) {
$delete->setParameter('id', $row['id']);
$delete->execute();
$count++;
} else {
$userskeep[] = $row['user_id'];
}
}
} catch (DatabaseObjectNotFoundException $e) {
// deprecated NC22
// ignore silently
} catch (Exception $e) {
if ($e->getReason() === Exception::REASON_DATABASE_OBJECT_NOT_FOUND) {
// ignore silently
}
throw $e;
}
if ($output && $count) {
$output->info('Removed ' . $count . ' duplicate records from ' . $this->getTableName());
}
return $count;
}
/**
* @return void
*/
public function deleteByUserId(string $userId): void {
$query = $this->db->getQueryBuilder();
$query->delete($this->getTableName())
->where('user_id = :userId')
->setParameter('userId', $userId);
$query->execute();
}
}
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