server/apps/comments/lib/EventHandler.php
Arthur Schiwon 1bcd2ca8e3
emit pre-update event for comments
* notifications can be cleaned up, no polluted DB
* updating comments will re-notify users or remove notifications, depending on the message

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
2016-10-12 18:06:22 +02:00

108 lines
2.8 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.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\Comments;
use OCA\Comments\Activity\Listener as ActivityListener;
use OCA\Comments\AppInfo\Application;
use OCA\Comments\Notification\Listener as NotificationListener;
use OCP\Comments\CommentsEvent;
use OCP\Comments\ICommentsEventHandler;
/**
* Class EventHandler
*
* @package OCA\Comments
*/
class EventHandler implements ICommentsEventHandler {
/** @var Application */
protected $app;
public function __construct(Application $app) {
$this->app = $app;
}
/**
* @param CommentsEvent $event
*/
public function handle(CommentsEvent $event) {
if($event->getComment()->getObjectType() !== 'files') {
// this is a 'files'-specific Handler
return;
}
$eventType = $event->getEvent();
if( $eventType === CommentsEvent::EVENT_ADD
&& $event instanceof CommentsEvent
) {
$this->notificationHandler($event);
$this->activityHandler($event);
return;
}
if( $eventType === CommentsEvent::EVENT_PRE_UPDATE
&& $event instanceof CommentsEvent
) {
$this->notificationHandler($event);
return;
}
if( $eventType === CommentsEvent::EVENT_UPDATE
&& $event instanceof CommentsEvent
) {
$this->notificationHandler($event);
return;
}
if( $eventType === CommentsEvent::EVENT_DELETE
&& $event instanceof CommentsEvent
) {
$this->notificationHandler($event);
return;
}
}
/**
* @param CommentsEvent $event
*/
private function activityHandler(CommentsEvent $event) {
$c = $this->app->getContainer();
/** @var ActivityListener $listener */
$activityListener = $c->query(ActivityListener::class);
$activityListener->commentEvent($event);
}
/**
* @param CommentsEvent $event
*/
private function notificationHandler(CommentsEvent $event) {
$c = $this->app->getContainer();
/** @var NotificationListener $notificationListener */
$notificationListener = $c->query(NotificationListener::class);
$notificationListener->evaluate($event);
}
}