Proyectos de Subversion Moodle

<?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) {

    throw new \moodle_exception('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?!?!

        /** @var completion_criteria_role $criteria */

        $criteria = completion_criteria_role::fetch(array('id'=>$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) {

                throw new \moodle_exception('noselfcompletioncriteria', 'completion');

            }

            // Check if the user has already marked themselves as complete

            if ($completion->is_complete()) {

                throw new \moodle_exception('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);

$PAGE->set_url('/course/togglecompletion.php', array('id'=>$cmid, 'completionstate'=>$targetstate));

switch($targetstate) {

    case COMPLETION_COMPLETE:

    case COMPLETION_INCOMPLETE:

        break;

    default:

        throw new \moodle_exception('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()) {

    throw new \moodle_exception('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) {

    throw new moodle_exception('cannotmanualctrack');

}

$completion->update_state($cm, $targetstate);

// 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));

}