mirror of
https://github.com/moodle/moodle.git
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203 lines
8.8 KiB
PHP
203 lines
8.8 KiB
PHP
<?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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* Provide interface for topics AJAX course formats
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*
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* @copyright 1999 Martin Dougiamas http://dougiamas.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @package course
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*/
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if (!defined('AJAX_SCRIPT')) {
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define('AJAX_SCRIPT', true);
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}
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require_once(dirname(__FILE__) . '/../config.php');
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require_once($CFG->dirroot.'/course/lib.php');
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// Initialise ALL the incoming parameters here, up front.
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$courseid = required_param('courseId', PARAM_INT);
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$class = required_param('class', PARAM_ALPHA);
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$field = optional_param('field', '', PARAM_ALPHA);
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$instanceid = optional_param('instanceId', 0, PARAM_INT);
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$sectionid = optional_param('sectionId', 0, PARAM_INT);
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$beforeid = optional_param('beforeId', 0, PARAM_INT);
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$value = optional_param('value', 0, PARAM_INT);
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$column = optional_param('column', 0, PARAM_ALPHA);
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$id = optional_param('id', 0, PARAM_INT);
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$summary = optional_param('summary', '', PARAM_RAW);
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$sequence = optional_param('sequence', '', PARAM_SEQUENCE);
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$visible = optional_param('visible', 0, PARAM_INT);
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$pageaction = optional_param('action', '', PARAM_ALPHA); // Used to simulate a DELETE command
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$title = optional_param('title', '', PARAM_TEXT);
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$PAGE->set_url('/course/rest.php', array('courseId'=>$courseid,'class'=>$class));
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//NOTE: when making any changes here please make sure it is using the same access control as course/mod.php !!
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$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
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// Check user is logged in and set contexts if we are dealing with resource
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if (in_array($class, array('resource'))) {
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$cm = get_coursemodule_from_id(null, $id, $course->id, false, MUST_EXIST);
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require_login($course, false, $cm);
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$modcontext = context_module::instance($cm->id);
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} else {
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require_login($course);
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}
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$coursecontext = context_course::instance($course->id);
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require_sesskey();
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echo $OUTPUT->header(); // send headers
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// OK, now let's process the parameters and do stuff
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// MDL-10221 the DELETE method is not allowed on some web servers, so we simulate it with the action URL param
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$requestmethod = $_SERVER['REQUEST_METHOD'];
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if ($pageaction == 'DELETE') {
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$requestmethod = 'DELETE';
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}
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switch($requestmethod) {
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case 'POST':
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switch ($class) {
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case 'section':
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if (!$DB->record_exists('course_sections', array('course'=>$course->id, 'section'=>$id))) {
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throw new moodle_exception('AJAX commands.php: Bad Section ID '.$id);
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}
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switch ($field) {
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case 'visible':
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require_capability('moodle/course:sectionvisibility', $coursecontext);
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$resourcestotoggle = set_section_visible($course->id, $id, $value);
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echo json_encode(array('resourcestotoggle' => $resourcestotoggle));
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break;
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case 'move':
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require_capability('moodle/course:movesections', $coursecontext);
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move_section_to($course, $id, $value);
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// See if format wants to do something about it
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$response = course_get_format($course)->ajax_section_move();
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if ($response !== null) {
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echo json_encode($response);
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}
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break;
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}
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break;
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case 'resource':
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switch ($field) {
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case 'visible':
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require_capability('moodle/course:activityvisibility', $modcontext);
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set_coursemodule_visible($cm->id, $value);
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break;
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case 'groupmode':
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require_capability('moodle/course:manageactivities', $modcontext);
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set_coursemodule_groupmode($cm->id, $value);
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break;
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case 'indent':
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require_capability('moodle/course:manageactivities', $modcontext);
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$cm->indent = $value;
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if ($cm->indent >= 0) {
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$DB->update_record('course_modules', $cm);
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rebuild_course_cache($cm->course);
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}
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break;
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case 'move':
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require_capability('moodle/course:manageactivities', $modcontext);
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if (!$section = $DB->get_record('course_sections', array('course'=>$course->id, 'section'=>$sectionid))) {
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throw new moodle_exception('AJAX commands.php: Bad section ID '.$sectionid);
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}
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if ($beforeid > 0){
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$beforemod = get_coursemodule_from_id('', $beforeid, $course->id);
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$beforemod = $DB->get_record('course_modules', array('id'=>$beforeid));
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} else {
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$beforemod = NULL;
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}
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$isvisible = moveto_module($cm, $section, $beforemod);
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echo json_encode(array('visible' => $isvisible));
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break;
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case 'gettitle':
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require_capability('moodle/course:manageactivities', $modcontext);
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$cm = get_coursemodule_from_id('', $id, 0, false, MUST_EXIST);
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$module = new stdClass();
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$module->id = $cm->instance;
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// Don't pass edit strings through multilang filters - we need the entire string
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echo json_encode(array('instancename' => $cm->name));
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break;
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case 'updatetitle':
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require_capability('moodle/course:manageactivities', $modcontext);
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require_once($CFG->libdir . '/gradelib.php');
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$cm = get_coursemodule_from_id('', $id, 0, false, MUST_EXIST);
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$module = new stdClass();
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$module->id = $cm->instance;
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// Escape strings as they would be by mform
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if (!empty($CFG->formatstringstriptags)) {
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$module->name = clean_param($title, PARAM_TEXT);
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} else {
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$module->name = clean_param($title, PARAM_CLEANHTML);
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}
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if (!empty($module->name)) {
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$DB->update_record($cm->modname, $module);
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rebuild_course_cache($cm->course);
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} else {
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$module->name = $cm->name;
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}
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// Attempt to update the grade item if relevant
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$grademodule = $DB->get_record($cm->modname, array('id' => $cm->instance));
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$grademodule->cmidnumber = $cm->idnumber;
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$grademodule->modname = $cm->modname;
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grade_update_mod_grades($grademodule);
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// We need to return strings after they've been through filters for multilang
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$stringoptions = new stdClass;
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$stringoptions->context = $coursecontext;
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echo json_encode(array('instancename' => html_entity_decode(format_string($module->name, true, $stringoptions))));
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break;
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}
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break;
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case 'course':
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switch($field) {
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case 'marker':
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require_capability('moodle/course:setcurrentsection', $coursecontext);
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course_set_marker($course->id, $value);
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break;
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}
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break;
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}
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break;
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case 'DELETE':
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switch ($class) {
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case 'resource':
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require_capability('moodle/course:manageactivities', $modcontext);
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course_delete_module($cm->id);
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break;
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}
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break;
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}
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