grade.php

<?php
// This file is part of mod_checkmark for Moodle - http://moodle.org/
//
// It 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.
//
// It 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/>.

/**
 * grade.php redirects to submissions-list if someone has grading capabilities. Otherwise it redirects to standard view.
 *
 * @package   mod_checkmark
 * @author    Philipp Hager
 * @copyright 2014 Academic Moodle Cooperation {@link http://www.academic-moodle-cooperation.org}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require(__DIR__ . '/../../config.php');

$id   = required_param('id', PARAM_INT);          // Course module ID!

$PAGE->set_url('/mod/checkmark/grade.php', array('id' => $id));
if (! $cm = get_coursemodule_from_id('checkmark', $id)) {
    print_error('invalidcoursemodule');
}

if (! $checkmark = $DB->get_record('checkmark', array('id' => $cm->instance))) {
    print_error('invalidid', 'checkmark');
}

if (! $course = $DB->get_record('course', array('id' => $checkmark->course))) {
    print_error('coursemisconf', 'checkmark');
}

require_login($course, false, $cm);

$modinfo = get_fast_modinfo($course);
$cminfo = $modinfo->get_cm($cm->id);
if (empty($cminfo->uservisible)) {
    if ($cminfo->availableinfo) {
        // User cannot access the activity, but on the course page they will
        // see a link to it, greyed-out, with information (HTML format) from
        // $cm->availableinfo about why they can't access it.
        $text = "<br />".format_text($cminfo->availableinfo, FORMAT_HTML);
    } else {
        // User cannot access the activity and they will not see it at all.
        $text = '';
    }
    $notification = $OUTPUT->notification(get_string('conditions_prevent_access', 'checkmark').$text, 'notifyproblem');
    echo $OUTPUT->box($notification, 'generalbox centered');
    die;
}

if (has_capability('mod/checkmark:grade', context_module::instance($cm->id))) {
    redirect('submissions.php?id='.$cm->id);
} else {
    redirect('view.php?id='.$cm->id);
}