reset.php

<?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/>.

/**
 * reset.php - resets an urkund submission
 *
 * @since 2.0
 * @package    plagiarism_urkund
 * @subpackage plagiarism
 * @author     Dan Marsden <dan@danmarsden.com>
 * @copyright  2011 Dan Marsden http://danmarsden.com
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(dirname(dirname(__FILE__)) . '/../config.php');
require_once($CFG->dirroot.'/plagiarism/urkund/lib.php');

$cmid = required_param('cmid', PARAM_INT);  // Course Module ID.
$pf   = optional_param('pf', 0, PARAM_INT);   // Plagiarism file id.
$resetall = optional_param('resetall', 0, PARAM_INT);   // Plagiarism file id.
require_sesskey();
$url = new moodle_url('/plagiarism/urkund/reset.php');
$cm = get_coursemodule_from_id('', $cmid, 0, false, MUST_EXIST);

$PAGE->set_url($url);
require_login($cm->course, true, $cm);

$modulecontext = context_module::instance($cmid);
require_capability('plagiarism/urkund:resetfile', $modulecontext);

$message = '';
if (!empty($pf)) {
    urkund_reset_file($pf);
    $message = get_string('filereset', 'plagiarism_urkund');
} else if (!empty($resetall)) {
    plagiarism_urkund_resubmit_cm($cmid);
    $message = get_string('regenerationrequested', 'plagiarism_urkund');
}

if ($cm->modname == 'assign') {
    $redirect = new moodle_url('/mod/assign/view.php', array('id' => $cmid, 'action' => 'grading'));
} else if ($cm->modname == 'quiz') {
    $redirect = new moodle_url('/mod/quiz/report.php', array('id' => $cmid, 'mode' => 'overview'));
} else {
    // TODO: add correct locations for workshop and forum.
    $redirect = $CFG->wwwroot;
}

redirect($redirect, $message);