enrol/paypal/unenrolself.php

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