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