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<?php
/**
* @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
*
* @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\ServerInfo;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IDBConnection;
/**
* Class SessionStatistics
*
* get active users
*
* @group DB
* @package OCA\ServerInfo
*/
class SessionStatistics {
/** @var IDBConnection */
private $connection;
/** @var ITimeFactory */
private $timeFactory;
private $offset5Minutes = 300;
private $offset1Hour = 3600;
private $offset1Day = 86400;
/**
* SessionStatistics constructor.
*
* @param IDBConnection $connection
* @param ITimeFactory $timeFactory
*/
public function __construct(IDBConnection $connection, ITimeFactory $timeFactory) {
$this->connection = $connection;
$this->timeFactory = $timeFactory;
}
public function getSessionStatistics() {
return [
'last5minutes' => $this->getNumberOfActiveUsers($this->offset5Minutes),
'last1hour' => $this->getNumberOfActiveUsers($this->offset1Hour),
'last24hours' => $this->getNumberOfActiveUsers($this->offset1Day)
];
}
/**
* get number of active user in a given time span
*
* @param int $offset seconds
* @return int
*/
private function getNumberOfActiveUsers($offset) {
$query = $this->connection->getQueryBuilder();
$query->select('uid')
->from('authtoken')
->where($query->expr()->gte(
'last_activity',
$query->createNamedParameter($this->timeFactory->getTime() - $offset)
))->groupBy('uid');
$result = $query->execute();
$activeUsers = $result->fetchAll();
$result->closeCursor();
return count($activeUsers);
}
}
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