enrol/self/unenrolself.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Self enrolment plugin - support for user self unenrolment.
  19  *
  20  * @package    enrol_self
  21  * @copyright  2010 Petr Skoda  {@link http://skodak.org}
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../../config.php');
  26
  27 $enrolid = required_param('enrolid', PARAM_INT);
  28 $confirm = optional_param('confirm', 0, PARAM_BOOL);
  29
  30 $instance = $DB->get_record('enrol', array('id'=>$enrolid, 'enrol'=>'self'), '*', MUST_EXIST);
  31 $course = $DB->get_record('course', array('id'=>$instance->courseid), '*', MUST_EXIST);
  32 $context = context_course::instance($course->id, MUST_EXIST);
  33
  34 require_login();
  35 if (!is_enrolled($context)) {
  36     redirect(new moodle_url('/'));
  37 }
  38 require_login($course);
  39
  40 $plugin = enrol_get_plugin('self');
  41
  42 // Security defined inside following function.
  43 if (!$plugin->get_unenrolself_link($instance)) {
  44     redirect(new moodle_url('/course/view.php', array('id'=>$course->id)));
  45 }
  46
  47 $PAGE->set_url('/enrol/self/unenrolself.php', array('enrolid'=>$instance->id));
  48 $PAGE->set_title($plugin->get_instance_name($instance));
  49
  50 if ($confirm and confirm_sesskey()) {
  51     $plugin->unenrol_user($instance, $USER->id);
  52
  53     redirect(new moodle_url('/index.php'));
  54 }
  55
  56 echo $OUTPUT->header();
  57 $yesurl = new moodle_url($PAGE->url, array('confirm'=>1, 'sesskey'=>sesskey()));
  58 $nourl = new moodle_url('/course/view.php', array('id'=>$course->id));
  59 $message = get_string('unenrolselfconfirm', 'enrol_self', format_string($course->fullname));
  60 echo $OUTPUT->confirm($message, $yesurl, $nourl);
  61 echo $OUTPUT->footer();