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EventHandler.php « lib « comments « apps - github.com/nextcloud/server.git - Unnamed repository; edit this file 'description' to name the repository.
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<?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 ActivityListener */
	private $activityListener;

	/** @var NotificationListener */
	private $notificationListener;

	public function __construct(ActivityListener $activityListener, NotificationListener $notificationListener) {
		$this->activityListener     = $activityListener;
		$this->notificationListener = $notificationListener;
	}

	/**
	 * @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
		) {
			$this->notificationHandler($event);
			$this->activityHandler($event);
			return;
		}

		$applicableEvents = [
			CommentsEvent::EVENT_PRE_UPDATE,
			CommentsEvent::EVENT_UPDATE,
			CommentsEvent::EVENT_DELETE,
		];
		if(in_array($eventType, $applicableEvents)) {
			$this->notificationHandler($event);
			return;
		}
	}

	/**
	 * @param CommentsEvent $event
	 */
	private function activityHandler(CommentsEvent $event) {
		$this->activityListener->commentEvent($event);
	}

	/**
	 * @param CommentsEvent $event
	 */
	private function notificationHandler(CommentsEvent $event) {
		$this->notificationListener->evaluate($event);
	}
}