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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Event factory class.
*
* @package core_calendar
* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_calendar\local\event\factories;
defined('MOODLE_INTERNAL') || die();
use core_calendar\local\event\exceptions\invalid_callback_exception;
use core_calendar\local\event\entities\event_interface;
/**
* Event factory class.
*
* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class event_factory extends event_abstract_factory {
protected function apply_component_action(event_interface $event) {
$callbackapplier = $this->actioncallbackapplier;
$callbackresult = $callbackapplier($event);
if (!$callbackresult instanceof event_interface) {
throw new invalid_callback_exception(
'Event factory action callback applier must return an instance of event_interface');
}
return $callbackresult;
}
protected function expose_event(event_interface $event) {
$callbackapplier = $this->visibilitycallbackapplier;
$callbackresult = $callbackapplier($event);
if (!is_bool($callbackresult)) {
throw new invalid_callback_exception('Event factory visibility callback applier must return true or false');
}
return $callbackresult === true ? $event : null;
}
}