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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\DAV\CalDAV;
use OCA\DAV\AppInfo\Application;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IConfig;
use function max;
class RetentionService {
public const RETENTION_CONFIG_KEY = 'calendarRetentionObligation';
private const DEFAULT_RETENTION_SECONDS = 30 * 24 * 60 * 60;
/** @var IConfig */
private $config;
/** @var ITimeFactory */
private $time;
/** @var CalDavBackend */
private $calDavBackend;
public function __construct(IConfig $config,
ITimeFactory $time,
CalDavBackend $calDavBackend) {
$this->config = $config;
$this->time = $time;
$this->calDavBackend = $calDavBackend;
}
public function getDuration(): int {
return max(
(int)$this->config->getAppValue(
Application::APP_ID,
self::RETENTION_CONFIG_KEY,
(string)self::DEFAULT_RETENTION_SECONDS
),
0 // Just making sure we don't delete things in the future when a negative number is passed
);
}
public function cleanUp(): void {
$retentionTime = $this->getDuration();
$now = $this->time->getTime();
$calendars = $this->calDavBackend->getDeletedCalendars($now - $retentionTime);
foreach ($calendars as $calendar) {
$this->calDavBackend->deleteCalendar($calendar['id'], true);
}
$objects = $this->calDavBackend->getDeletedCalendarObjects($now - $retentionTime);
foreach ($objects as $object) {
$this->calDavBackend->deleteCalendarObject(
$object['calendarid'],
$object['uri'],
$object['calendartype'],
true
);
}
}
}
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