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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
<?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);
> throw new moodle_exception('cannotmanualctrack');
} $completion->update_state($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 <
> // 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); < }
}