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See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
<?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/>.

/**
 * Rest endpoint for ajax editing of quiz structure.
 *
 * @package   mod_quiz
 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

> use mod_quiz\quiz_settings; if (!defined('AJAX_SCRIPT')) { >
define('AJAX_SCRIPT', true); } require_once(__DIR__ . '/../../config.php'); require_once($CFG->dirroot . '/mod/quiz/locallib.php'); // Initialise ALL the incoming parameters here, up front. $quizid = required_param('quizid', PARAM_INT); $class = required_param('class', PARAM_ALPHA); $field = optional_param('field', '', PARAM_ALPHA); $instanceid = optional_param('instanceId', 0, PARAM_INT); $sectionid = optional_param('sectionId', 0, PARAM_INT); $previousid = optional_param('previousid', 0, PARAM_INT); $value = optional_param('value', 0, PARAM_INT); $column = optional_param('column', 0, PARAM_ALPHA); $id = optional_param('id', 0, PARAM_INT); $summary = optional_param('summary', '', PARAM_RAW); $sequence = optional_param('sequence', '', PARAM_SEQUENCE); $visible = optional_param('visible', 0, PARAM_INT); $pageaction = optional_param('action', '', PARAM_ALPHA); // Used to simulate a DELETE command. $maxmark = optional_param('maxmark', '', PARAM_FLOAT); $newheading = optional_param('newheading', '', PARAM_TEXT); $shuffle = optional_param('newshuffle', 0, PARAM_INT); $page = optional_param('page', '', PARAM_INT); $ids = optional_param('ids', '', PARAM_SEQUENCE); $PAGE->set_url('/mod/quiz/edit-rest.php',
< array('quizid' => $quizid, 'class' => $class));
> ['quizid' => $quizid, 'class' => $class]);
require_sesskey();
< $quiz = $DB->get_record('quiz', array('id' => $quizid), '*', MUST_EXIST); < $cm = get_coursemodule_from_instance('quiz', $quiz->id, $quiz->course); < $course = $DB->get_record('course', array('id' => $quiz->course), '*', MUST_EXIST);
> $quizobj = quiz_settings::create($quizid); > $quiz = $quizobj->get_quiz(); > $cm = $quizobj->get_cm(); > $course = $quizobj->get_course();
require_login($course, false, $cm);
< $quizobj = new quiz($quiz, $cm, $course);
$structure = $quizobj->get_structure();
< $modcontext = context_module::instance($cm->id);
> $gradecalculator = $quizobj->get_grade_calculator(); > $modcontext = $quizobj->get_context();
echo $OUTPUT->header(); // Send headers. // All these AJAX actions should be logically atomic. $transaction = $DB->start_delegated_transaction(); // OK, now let's process the parameters and do stuff // MDL-10221 the DELETE method is not allowed on some web servers, // so we simulate it with the action URL param. $requestmethod = $_SERVER['REQUEST_METHOD']; if ($pageaction == 'DELETE') { $requestmethod = 'DELETE'; } $result = null; switch($requestmethod) { case 'POST': case 'GET': // For debugging. switch ($class) { case 'section': $table = 'quiz_sections'; $section = $structure->get_section_by_id($id); switch ($field) { case 'getsectiontitle': require_capability('mod/quiz:manage', $modcontext);
< $result = array('instancesection' => $section->heading);
> $result = ['instancesection' => $section->heading];
break; case 'updatesectiontitle': require_capability('mod/quiz:manage', $modcontext); $structure->set_section_heading($id, $newheading);
< $result = array('instancesection' => format_string($newheading));
> $result = ['instancesection' => format_string($newheading)];
break; case 'updateshufflequestions': require_capability('mod/quiz:manage', $modcontext); $structure->set_section_shuffle($id, $shuffle);
< $result = array('instanceshuffle' => $section->shufflequestions);
> $result = ['instanceshuffle' => $section->shufflequestions];
break; } break; case 'resource': switch ($field) { case 'move': require_capability('mod/quiz:manage', $modcontext); if (!$previousid) { $section = $structure->get_section_by_id($sectionid); if ($section->firstslot > 1) { $previousid = $structure->get_slot_id_for_slot($section->firstslot - 1); $page = $structure->get_page_number_for_slot($section->firstslot); } } $structure->move_slot($id, $previousid, $page); quiz_delete_previews($quiz);
< $result = array('visible' => true);
> $result = ['visible' => true];
break; case 'getmaxmark': require_capability('mod/quiz:manage', $modcontext);
< $slot = $DB->get_record('quiz_slots', array('id' => $id), '*', MUST_EXIST); < $result = array('instancemaxmark' => quiz_format_question_grade($quiz, $slot->maxmark));
> $slot = $DB->get_record('quiz_slots', ['id' => $id], '*', MUST_EXIST); > $result = ['instancemaxmark' => quiz_format_question_grade($quiz, $slot->maxmark)];
break; case 'updatemaxmark': require_capability('mod/quiz:manage', $modcontext); $slot = $structure->get_slot_by_id($id); if ($structure->update_slot_maxmark($slot, $maxmark)) { // Grade has really changed. quiz_delete_previews($quiz);
< quiz_update_sumgrades($quiz); < quiz_update_all_attempt_sumgrades($quiz); < quiz_update_all_final_grades($quiz);
> $gradecalculator->recompute_quiz_sumgrades(); > $gradecalculator->recompute_all_attempt_sumgrades(); > $gradecalculator->recompute_all_final_grades();
quiz_update_grades($quiz, 0, true); }
< $result = array('instancemaxmark' => quiz_format_question_grade($quiz, $maxmark), < 'newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades));
> $result = ['instancemaxmark' => quiz_format_question_grade($quiz, $maxmark), > 'newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades)];
break; case 'updatepagebreak': require_capability('mod/quiz:manage', $modcontext); $slots = $structure->update_page_break($id, $value);
< $json = array();
> $json = [];
foreach ($slots as $slot) {
< $json[$slot->slot] = array('id' => $slot->id, 'slot' => $slot->slot, < 'page' => $slot->page);
> $json[$slot->slot] = ['id' => $slot->id, 'slot' => $slot->slot, > 'page' => $slot->page];
}
< $result = array('slots' => $json);
> $result = ['slots' => $json];
break; case 'deletemultiple': require_capability('mod/quiz:manage', $modcontext); $ids = explode(',', $ids); foreach ($ids as $id) {
< $slot = $DB->get_record('quiz_slots', array('quizid' => $quiz->id, 'id' => $id),
> $slot = $DB->get_record('quiz_slots', ['quizid' => $quiz->id, 'id' => $id],
'*', MUST_EXIST);
< if (quiz_has_question_use($quiz, $slot->slot)) {
> if ($structure->has_use_capability($slot->slot)) {
$structure->remove_slot($slot->slot); } } quiz_delete_previews($quiz);
< quiz_update_sumgrades($quiz);
> $gradecalculator->recompute_quiz_sumgrades();
< $result = array('newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades), < 'deleted' => true, 'newnumquestions' => $structure->get_question_count());
> $result = ['newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades), > 'deleted' => true, 'newnumquestions' => $structure->get_question_count()];
break; case 'updatedependency': require_capability('mod/quiz:manage', $modcontext); $slot = $structure->get_slot_by_id($id); $value = (bool) $value; $structure->update_question_dependency($slot->id, $value);
< $result = array('requireprevious' => $value);
> $result = ['requireprevious' => $value];
break; } break; } break; case 'DELETE': switch ($class) { case 'section': require_capability('mod/quiz:manage', $modcontext); $structure->remove_section_heading($id);
< $result = array('deleted' => true);
> $result = ['deleted' => true];
break; case 'resource': require_capability('mod/quiz:manage', $modcontext);
< if (!$slot = $DB->get_record('quiz_slots', array('quizid' => $quiz->id, 'id' => $id))) {
> if (!$slot = $DB->get_record('quiz_slots', ['quizid' => $quiz->id, 'id' => $id])) {
throw new moodle_exception('AJAX commands.php: Bad slot ID '.$id); }
> $structure->remove_slot($slot->slot); > if (!$structure->has_use_capability($slot->slot)) { quiz_delete_previews($quiz); > $slotdetail = $structure->get_slot_by_id($slot->id); quiz_update_sumgrades($quiz); > $context = context::instance_by_id($slotdetail->contextid); $result = array('newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades), > throw new required_capability_exception($context, 'deleted' => true, 'newnumquestions' => $structure->get_question_count()); > 'moodle/question:useall', 'nopermissions', ''); break; > }
< quiz_update_sumgrades($quiz); < $result = array('newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades), < 'deleted' => true, 'newnumquestions' => $structure->get_question_count());
> $gradecalculator->recompute_quiz_sumgrades(); > $result = ['newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades), > 'deleted' => true, 'newnumquestions' => $structure->get_question_count()];
$transaction->allow_commit(); echo json_encode($result);