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<?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/>.
/**
* Toggles the manual completion flag for a particular activity or course completion
* and the current user.
*
* If by student params: course=2
* If by manager params: course=2&user=4&rolec=3&sesskey=ghfgsdf
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package course
*/
require_once('../config.php');
require_once($CFG->libdir.'/completionlib.php');
// Parameters
$cmid = optional_param('id', 0, PARAM_INT);
$courseid = optional_param('course', 0, PARAM_INT);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
// Check if we are marking a user complete via the completion report.
$user = optional_param('user', 0, PARAM_INT);
$rolec = optional_param('rolec', 0, PARAM_INT);
if (!$cmid && !$courseid) {
print_error('invalidarguments');
}
// Process self completion
if ($courseid) {
$PAGE->set_url(new moodle_url('/course/togglecompletion.php', array('course'=>$courseid)));
// Check user is logged in
$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$context = context_course::instance($course->id);
require_login($course);
$completion = new completion_info($course);
$trackeduser = ($user ? $user : $USER->id);
if (!$completion->is_enabled()) {
throw new moodle_exception('completionnotenabled', 'completion');
} else if (!$completion->is_tracked_user($trackeduser)) {
throw new moodle_exception('nottracked', 'completion');
}
if ($user && $rolec) {
require_sesskey();
completion_criteria::factory(array('id'=>$rolec, 'criteriatype'=>COMPLETION_CRITERIA_TYPE_ROLE)); //TODO: this is dumb, because it does not fetch the data?!?!
$criteria = completion_criteria_role::fetch(array('id'=>$rolec));
if ($criteria and user_has_role_assignment($USER->id, $criteria->role, $context->id)) {
$criteria_completions = $completion->get_completions($user, COMPLETION_CRITERIA_TYPE_ROLE);
foreach ($criteria_completions as $criteria_completion) {
if ($criteria_completion->criteriaid == $rolec) {
$criteria->complete($criteria_completion);
break;
}
}
}
// Return to previous page
$referer = get_local_referer(false);
if (!empty($referer)) {
redirect($referer);
} else {
redirect('view.php?id='.$course->id);
}
} else {
// Confirm with user
if ($confirm and confirm_sesskey()) {
$completion = $completion->get_completion($USER->id, COMPLETION_CRITERIA_TYPE_SELF);
if (!$completion) {
print_error('noselfcompletioncriteria', 'completion');
}
// Check if the user has already marked themselves as complete
if ($completion->is_complete()) {
print_error('useralreadymarkedcomplete', 'completion');
}
$completion->mark_complete();
redirect($CFG->wwwroot.'/course/view.php?id='.$courseid);
return;
}
$strconfirm = get_string('confirmselfcompletion', 'completion');
$PAGE->set_title($strconfirm);
$PAGE->set_heading($course->fullname);
$PAGE->navbar->add($strconfirm);
echo $OUTPUT->header();
$buttoncontinue = new single_button(new moodle_url('/course/togglecompletion.php', array('course'=>$courseid, 'confirm'=>1, 'sesskey'=>sesskey())), get_string('yes'), 'post');
$buttoncancel = new single_button(new moodle_url('/course/view.php', array('id'=>$courseid)), get_string('no'), 'get');
echo $OUTPUT->confirm($strconfirm, $buttoncontinue, $buttoncancel);
echo $OUTPUT->footer();
exit;
}
}
$targetstate = required_param('completionstate', PARAM_INT);
$fromajax = optional_param('fromajax', 0, PARAM_INT);
$PAGE->set_url('/course/togglecompletion.php', array('id'=>$cmid, 'completionstate'=>$targetstate));
switch($targetstate) {
case COMPLETION_COMPLETE:
case COMPLETION_INCOMPLETE:
break;
default:
print_error('unsupportedstate');
}
// Get course-modules entry
$cm = get_coursemodule_from_id(null, $cmid, null, true, MUST_EXIST);
$course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
// Check user is logged in
require_login($course, false, $cm);
require_capability('moodle/course:togglecompletion', context_module::instance($cmid));
if (isguestuser() or !confirm_sesskey()) {
print_error('error');
}
// Set up completion object and check it is enabled.
$completion = new completion_info($course);
if (!$completion->is_enabled()) {
throw new moodle_exception('completionnotenabled', 'completion');
}
// NOTE: All users are allowed to toggle their completion state, including
// users for whom completion information is not directly tracked. (I.e. even
// if you are a teacher, or admin who is not enrolled, you can still toggle
// your own completion state. You just don't appear on the reports.)
// Check completion state is manual
if($cm->completion != COMPLETION_TRACKING_MANUAL) {
error_or_ajax('cannotmanualctrack', $fromajax);
}
$completion->update_state($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
if ($backto = optional_param('backto', null, PARAM_URL)) {
redirect($backto);
} else {
redirect(course_get_url($course, $cm->sectionnum));
}
}
// utility functions
function error_or_ajax($message, $fromajax) {
if ($fromajax) {
print get_string($message, 'error');
exit;
} else {
print_error($message);
}
}