moodle/course/togglecompletion.php

61 lines
1.5 KiB
PHP

<?php
// Toggles the manual completion flag for a particular activity and the current
// user.
require_once('../config.php');
require_once($CFG->libdir.'/completionlib.php');
// Parameters
$cmid=required_param('id',PARAM_INT);
$targetstate=required_param('completionstate',PARAM_INT);
switch($targetstate) {
case COMPLETION_COMPLETE:
case COMPLETION_INCOMPLETE:
break;
default:
error('Unsupported completion state');
}
$fromajax=optional_param('fromajax',0,PARAM_INT);
function error_or_ajax($message) {
global $fromajax;
if($fromajax) {
print $message;
exit;
} else {
error($message);
}
}
// Get course-modules entry
if(!($cm=$DB->get_record('course_modules',array('id'=>$cmid)))) {
error_or_ajax('Activity ID unknown');
}
if(!($course=$DB->get_record('course',array('id'=>$cm->course)))) {
error_or_ajax('Missing course (database corrupt?)');
}
// Check user is logged in
require_login($course);
// Check completion state is manual
if($cm->completion!=COMPLETION_TRACKING_MANUAL) {
error_or_ajax('Activity does not provide manual completion tracking');
}
// Now change state
$completion=new completion_info($course);
$completion->update_state($cm,$targetstate);
// And redirect back to course
if($fromajax) {
print 'OK';
} else {
// In case of use in other areas of code we allow a 'backto' parameter,
// otherwise go back to course page
$backto=optional_param('backto','view.php?id='.$course->id,PARAM_URL);
redirect($backto);
}
?>