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<?php
/**
* @copyright Copyright (c) 2019 Thomas Citharel <tcit@tcit.fr>
*
* @author Thomas Citharel <tcit@tcit.fr>
*
* @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\DAV\CalDAV\Reminder;
use OCP\IDBConnection;
use OCP\AppFramework\Utility\ITimeFactory;
/**
* Class Backend
*
* @package OCA\DAV\CalDAV\Reminder
*/
class Backend {
/** @var IDBConnection */
protected $db;
/** @var ITimeFactory */
private $timeFactory;
/**
* @param IDBConnection $db
* @param ITimeFactory $timeFactory
*/
public function __construct(IDBConnection $db, ITimeFactory $timeFactory) {
$this->db = $db;
$this->timeFactory = $timeFactory;
}
/**
* @param string $uid
* @param string $calendarId
* @param string $uri
* @param string $type
* @param int $notificationDate
* @param int $eventStartDate
*/
public function insertReminder(string $uid, string $calendarId, string $uri, string $type, int $notificationDate, int $eventStartDate): void
{
$query = $this->db->getQueryBuilder();
$query->insert('calendar_reminders')
->values([
'uid' => $query->createNamedParameter($uid),
'calendarid' => $query->createNamedParameter($calendarId),
'objecturi' => $query->createNamedParameter($uri),
'type' => $query->createNamedParameter($type),
'notificationdate' => $query->createNamedParameter($notificationDate),
'eventstartdate' => $query->createNamedParameter($eventStartDate),
])->execute();
}
/**
* Cleans reminders in database
*
* @param int $calendarId
* @param string $objectUri
*/
public function cleanRemindersForEvent(int $calendarId, string $objectUri): void
{
$query = $this->db->getQueryBuilder();
$query->delete('calendar_reminders')
->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
->andWhere($query->expr()->eq('objecturi', $query->createNamedParameter($objectUri)))
->execute();
}
/**
* Remove all reminders for a calendar
*
* @param integer $calendarId
* @return void
*/
public function cleanRemindersForCalendar(int $calendarId): void
{
$query = $this->db->getQueryBuilder();
$query->delete('calendar_reminders')
->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
->execute();
}
/**
* Remove a reminder by it's id
*
* @param integer $reminderId
* @return void
*/
public function removeReminder(int $reminderId): void
{
$query = $this->db->getQueryBuilder();
$query->delete('calendar_reminders')
->where($query->expr()->eq('id', $query->createNamedParameter($reminderId)))
->execute();
}
/**
* Get all reminders with a notification date before now
*
* @return array
* @throws \Exception
*/
public function getRemindersToProcess(): array
{
$query = $this->db->getQueryBuilder();
$fields = ['cr.id', 'cr.calendarid', 'cr.objecturi', 'cr.type', 'cr.notificationdate', 'cr.uid', 'co.calendardata', 'c.displayname'];
$stmt = $query->select($fields)
->from('calendar_reminders', 'cr')
->where($query->expr()->lte('cr.notificationdate', $query->createNamedParameter($this->timeFactory->getTime())))
->andWhere($query->expr()->gte('cr.eventstartdate', $query->createNamedParameter($this->timeFactory->getTime()))) # We check that DTSTART isn't before
->leftJoin('cr', 'calendars', 'c', $query->expr()->eq('cr.calendarid', 'c.id'))
->leftJoin('cr', 'calendarobjects', 'co', $query->expr()->andX($query->expr()->eq('cr.calendarid', 'c.id'), $query->expr()->eq('co.uri', 'cr.objecturi')))
->execute();
return $stmt->fetchAll();
}
}
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