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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Lukas Reschke <lukas@statuscode.ch>
*
* @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\BackgroundJob;
use OC\Files\Utils\Scanner;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\ILogger;
use OCP\IUser;
use OCP\IUserManager;
/**
* Class ScanFiles is a background job used to run the file scanner over the user
* accounts to ensure integrity of the file cache.
*
* @package OCA\Files\BackgroundJob
*/
class ScanFiles extends \OC\BackgroundJob\TimedJob {
/** @var IConfig */
private $config;
/** @var IUserManager */
private $userManager;
/** @var IDBConnection */
private $dbConnection;
/** @var ILogger */
private $logger;
/** Amount of users that should get scanned per execution */
const USERS_PER_SESSION = 500;
/**
* @param IConfig|null $config
* @param IUserManager|null $userManager
* @param IDBConnection|null $dbConnection
* @param ILogger|null $logger
*/
public function __construct(IConfig $config = null,
IUserManager $userManager = null,
IDBConnection $dbConnection = null,
ILogger $logger = null) {
// Run once per 10 minutes
$this->setInterval(60 * 10);
if (is_null($userManager) || is_null($config)) {
$this->fixDIForJobs();
} else {
$this->config = $config;
$this->userManager = $userManager;
$this->logger = $logger;
}
}
protected function fixDIForJobs() {
$this->config = \OC::$server->getConfig();
$this->userManager = \OC::$server->getUserManager();
$this->logger = \OC::$server->getLogger();
}
/**
* @param IUser $user
*/
protected function runScanner(IUser $user) {
try {
$scanner = new Scanner(
$user->getUID(),
$this->dbConnection,
$this->logger
);
$scanner->backgroundScan('');
} catch (\Exception $e) {
$this->logger->logException($e, ['app' => 'files']);
}
\OC_Util::tearDownFS();
}
/**
* @param $argument
* @throws \Exception
*/
protected function run($argument) {
$offset = $this->config->getAppValue('files', 'cronjob_scan_files', 0);
$users = $this->userManager->search('', self::USERS_PER_SESSION, $offset);
if (!count($users)) {
// No users found, reset offset and retry
$offset = 0;
$users = $this->userManager->search('', self::USERS_PER_SESSION);
}
$offset += self::USERS_PER_SESSION;
$this->config->setAppValue('files', 'cronjob_scan_files', $offset);
foreach ($users as $user) {
$this->runScanner($user);
}
}
}
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