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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/>.
/**
* Base class for question events.
*
* @package core
* @copyright 2019 Stephen Bourget
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\event;
defined('MOODLE_INTERNAL') || die();
/**
* Base class for question events.
*
* @package core
* @since Moodle 3.7
* @copyright 2019 Stephen Bourget
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class question_base extends base {
/**
* Init method.
*/
protected function init() {
$this->data['objecttable'] = 'question';
$this->data['edulevel'] = self::LEVEL_TEACHING;
}
/**
* Returns relevant URL.
*
* @return \moodle_url
*/
public function get_url() {
if ($this->courseid) {
$cat = $this->other['categoryid'] . ',' . $this->contextid;
if ($this->contextlevel == CONTEXT_MODULE) {
return new \moodle_url('/question/edit.php',
['cmid' => $this->contextinstanceid, 'cat' => $cat, 'lastchanged' => $this->objectid]);
}
return new \moodle_url('/question/edit.php',
['courseid' => $this->courseid, 'cat' => $cat, 'lastchanged' => $this->objectid]);
}
// Lets try viewing from the frontpage for contexts above course.
return new \moodle_url('/question/category.php',
['courseid' => SITEID, 'edit' => $this->other['categoryid'], 'lastchanged' => $this->objectid]);
}
/**
* Custom validations.
*
* @throws \coding_exception
* @return void
*/
protected function validate_data() {
parent::validate_data();
if (!isset($this->other['categoryid'])) {
throw new \coding_exception('The \'categoryid\' must be set in \'other\'.');
}
}
/**
* Returns DB mappings used with backup / restore.
*
* @return array
*/
public static function get_objectid_mapping() {
return ['db' => 'question', 'restore' => 'question'];
}
/**
* Used for maping events on restore
*
* @return array
*/
public static function get_other_mapping() {
$othermapped = [];
$othermapped['categoryid'] = ['db' => 'question_categories', 'restore' => 'question_categories'];
return $othermapped;
}
/**
* Create a event from question object
*
* @param object $question
* @param object|null $context
* @param array|null $other will override the categoryid pre-filled out on the first line.
* @return base
* @throws \coding_exception
*/
public static function create_from_question_instance($question, $context = null, $other = null) {
$params = ['objectid' => $question->id, 'other' => ['categoryid' => $question->category]];
if (!empty($question->contextid)) {
$params['contextid'] = $question->contextid;
}
$params['context'] = $context;
if (!empty($other)) {
$params['other'] = $other;
}
$event = self::create($params);
return $event;
}
}