enrol/index.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  * This page shows all course enrolment options for current user.
  19  *
  20  * @package    core_enrol
  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 require_once("$CFG->libdir/formslib.php");
  27
  28 $id = required_param('id', PARAM_INT);
  29
  30 if (!isloggedin()) {
  31     $referer = clean_param(get_referer(), PARAM_LOCALURL);
  32     if (empty($referer)) {
  33         // A user that is not logged in has arrived directly on this page,
  34         // they should be redirected to the course page they are trying to enrol on after logging in.
  35         $SESSION->wantsurl = "$CFG->wwwroot/course/view.php?id=$id";
  36     }
  37     // do not use require_login here because we are usually coming from it,
  38     // it would also mess up the SESSION->wantsurl
  39     redirect(get_login_url());
  40 }
  41
  42 $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  43 $context = context_course::instance($course->id, MUST_EXIST);
  44
  45 // Everybody is enrolled on the frontpage
  46 if ($course->id == SITEID) {
  47     redirect("$CFG->wwwroot/");
  48 }
  49
  50 if (!$course->visible && !has_capability('moodle/course:viewhiddencourses', context_course::instance($course->id))) {
  51     print_error('coursehidden');
  52 }
  53
  54 $PAGE->set_course($course);
  55 $PAGE->set_pagelayout('course');
  56 $PAGE->set_url('/enrol/index.php', array('id'=>$course->id));
  57
  58 // do not allow enrols when in login-as session
  59 if (\core\session\manager::is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {
  60     print_error('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);
  61 }
  62
  63 // get all enrol forms available in this course
  64 $enrols = enrol_get_plugins(true);
  65 $enrolinstances = enrol_get_instances($course->id, true);
  66 $forms = array();
  67 foreach($enrolinstances as $instance) {
  68     if (!isset($enrols[$instance->enrol])) {
  69         continue;
  70     }
  71     $form = $enrols[$instance->enrol]->enrol_page_hook($instance);
  72     if ($form) {
  73         $forms[$instance->id] = $form;
  74     }
  75 }
  76
  77 // Check if user already enrolled
  78 if (is_enrolled($context, $USER, '', true)) {
  79     if (!empty($SESSION->wantsurl)) {
  80         $destination = $SESSION->wantsurl;
  81         unset($SESSION->wantsurl);
  82     } else {
  83         $destination = "$CFG->wwwroot/course/view.php?id=$course->id";
  84     }
  85     redirect($destination);   // Bye!
  86 }
  87
  88 $PAGE->set_title($course->shortname);
  89 $PAGE->set_heading($course->fullname);
  90 $PAGE->navbar->add(get_string('enrolmentoptions','enrol'));
  91
  92 echo $OUTPUT->header();
  93 echo $OUTPUT->heading(get_string('enrolmentoptions','enrol'));
  94
  95 $courserenderer = $PAGE->get_renderer('core', 'course');
  96 echo $courserenderer->course_info_box($course);
  97
  98 //TODO: find if future enrolments present and display some info
  99
 100 foreach ($forms as $form) {
 101     echo $form;
 102 }
 103
 104 if (!$forms) {
 105     if (isguestuser()) {
 106         notice(get_string('noguestaccess', 'enrol'), get_login_url());
 107     } else {
 108         notice(get_string('notenrollable', 'enrol'), "$CFG->wwwroot/index.php");
 109     }
 110 }
 111
 112 echo $OUTPUT->footer();