mirror of
https://github.com/moodle/moodle.git
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233 lines
9.1 KiB
PHP
233 lines
9.1 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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require_once('../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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$PAGE->set_url('/course/rest.php', array('courseId'=>$courseid,'class'=>$class));
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//NOTE: when making any changes here please make sure it is using the same access control as course/mod.php !!
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require_login();
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// Authorise the user and verify some incoming data
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if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
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error_log('AJAX commands.php: Course does not exist');
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die;
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}
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if (empty($CFG->enablecourseajax)) {
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error_log('Course AJAX not allowed');
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die;
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}
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require_sesskey();
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// OK, now let's process the parameters and do stuff
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// MDL-10221 the DELETE method is not allowed on some web servers, so we simulate it with the action URL param
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$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 ($class) {
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case 'block':
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// not used any more
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break;
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case 'section':
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require_login($course);
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$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
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require_capability('moodle/course:update', $coursecontext);
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if (!$DB->record_exists('course_sections', array('course'=>$course->id, 'section'=>$id))) {
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error_log('AJAX commands.php: Bad Section ID '.$id);
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die;
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}
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switch ($field) {
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case 'visible':
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set_section_visible($course->id, $id, $value);
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break;
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case 'move':
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move_section_to($course, $id, $value);
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break;
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}
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rebuild_course_cache($course->id);
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break;
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case 'resource':
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if (!$cm = get_coursemodule_from_id('', $id, $course->id)) {
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error_log('AJAX commands.php: Bad course module ID '.$id);
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die;
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}
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require_login($course, false, $cm);
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$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
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switch ($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 'indentleft':
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require_capability('moodle/course:manageactivities', $modcontext);
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if ($cm->indent > 0) {
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$cm->indent--;
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$DB->update_record('course_modules', $cm);
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}
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break;
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case 'indentright':
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require_capability('moodle/course:manageactivities', $modcontext);
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$cm->indent++;
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$DB->update_record('course_modules', $cm);
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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'=>$sectionid))) {
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error_log('AJAX commands.php: Bad section ID '.$sectionid);
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die;
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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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$beforemod = NULL;
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}
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if (debugging('',DEBUG_DEVELOPER)) {
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error_log(serialize($beforemod));
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}
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moveto_module($cm, $section, $beforemod);
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break;
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}
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rebuild_course_cache($course->id);
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break;
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case 'course':
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switch($field) {
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case 'marker':
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require_login($course);
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$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
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require_capability('moodle/course:update', $coursecontext);
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$newcourse = new stdClass();
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$newcourse->id = $course->id;
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$newcourse->marker = $value;
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$DB->update_record('course', $newcourse);
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break;
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}
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break;
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}
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break;
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case 'DELETE':
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switch ($class) {
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case 'block':
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// not used any more
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break;
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case 'resource':
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if (!$cm = get_coursemodule_from_id('', $id, $course->id)) {
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error_log('AJAX rest.php: Bad course module ID '.$id);
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die;
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}
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require_login($course, false, $cm);
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$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
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require_capability('moodle/course:manageactivities', $modcontext);
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$modlib = "$CFG->dirroot/mod/$cm->modname/lib.php";
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if (file_exists($modlib)) {
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include_once($modlib);
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} else {
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error_log("Ajax rest.php: This module is missing mod/$cm->modname/lib.php");
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die;
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}
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$deleteinstancefunction = $cm->modname."_delete_instance";
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// Run the module's cleanup funtion.
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if (!$deleteinstancefunction($cm->instance)) {
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error_log("Ajax rest.php: Could not delete the $cm->modname $cm->name (instance)");
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die;
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}
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// remove all module files in case modules forget to do that
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$fs = get_file_storage();
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$fs->delete_area_files($modcontext->id);
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if (!delete_course_module($cm->id)) {
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error_log("Ajax rest.php: Could not delete the $cm->modname $cm->name (coursemodule)");
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}
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// Remove the course_modules entry.
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if (!delete_mod_from_section($cm->id, $cm->section)) {
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error_log("Ajax rest.php: Could not delete the $cm->modname $cm->name from section");
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}
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// Trigger a mod_deleted event with information about this module.
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$eventdata = new stdClass();
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$eventdata->modulename = $cm->modname;
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$eventdata->cmid = $cm->id;
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$eventdata->courseid = $course->id;
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$eventdata->userid = $USER->id;
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events_trigger('mod_deleted', $eventdata);
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rebuild_course_cache($course->id);
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add_to_log($courseid, "course", "delete mod",
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"view.php?id=$courseid",
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"$cm->modname $cm->instance", $cm->id);
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break;
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}
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break;
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}
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