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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Event factory class.
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*
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* @package core_calendar
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* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core_calendar\local\event\factories;
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defined('MOODLE_INTERNAL') || die();
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use core_calendar\local\event\exceptions\invalid_callback_exception;
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use core_calendar\local\event\entities\event_interface;
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/**
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* Event factory class.
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*
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* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class event_factory extends event_abstract_factory {
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protected function apply_component_action(event_interface $event) {
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$callbackapplier = $this->actioncallbackapplier;
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$callbackresult = $callbackapplier($event);
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if (!$callbackresult instanceof event_interface) {
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throw new invalid_callback_exception(
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'Event factory action callback applier must return an instance of event_interface');
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}
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return $callbackresult;
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}
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protected function expose_event(event_interface $event) {
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$callbackapplier = $this->visibilitycallbackapplier;
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$callbackresult = $callbackapplier($event);
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if (!is_bool($callbackresult)) {
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throw new invalid_callback_exception('Event factory visibility callback applier must return true or false');
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}
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return $callbackresult === true ? $event : null;
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}
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}
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