<?php /** * Pony.fm - A community for pony fan music. * Copyright (C) 2015 Peter Deltchev * * 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 Poniverse\Ponyfm\Commands; abstract class CommandBase { private $_listeners = array(); public function listen($listener) { $this->_listeners[] = $listener; } protected function notify($message, $progress) { foreach ($this->_listeners as $listener) { $listener($message, $progress); } } /** * @return bool */ public function authorize() { return true; } /** * @return CommandResponse */ public abstract function execute(); }