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Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402]

   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  $returnurl = optional_param('returnurl', 0, PARAM_LOCALURL);
  30  
  31  if (!isloggedin()) {
  32      $referer = get_local_referer();
  33      if (empty($referer)) {
  34          // A user that is not logged in has arrived directly on this page,
  35          // they should be redirected to the course page they are trying to enrol on after logging in.
  36          $SESSION->wantsurl = "$CFG->wwwroot/course/view.php?id=$id";
  37      }
  38      // do not use require_login here because we are usually coming from it,
  39      // it would also mess up the SESSION->wantsurl
  40      redirect(get_login_url());
  41  }
  42  
  43  $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  44  $context = context_course::instance($course->id, MUST_EXIST);
  45  
  46  // Everybody is enrolled on the frontpage
  47  if ($course->id == SITEID) {
  48      redirect("$CFG->wwwroot/");
  49  }
  50  
  51  if (!$course->visible && !has_capability('moodle/course:viewhiddencourses', context_course::instance($course->id))) {
  52      throw new \moodle_exception('coursehidden');
  53  }
  54  
  55  $PAGE->set_course($course);
  56  $PAGE->set_pagelayout('incourse');
  57  $PAGE->set_url('/enrol/index.php', array('id'=>$course->id));
  58  $PAGE->set_secondary_navigation(false);
  59  $PAGE->add_body_class('limitedwidth');
  60  
  61  // do not allow enrols when in login-as session
  62  if (\core\session\manager::is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {
  63      throw new \moodle_exception('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);
  64  }
  65  
  66  // Check if user has access to the category where the course is located.
  67  if (!core_course_category::can_view_course_info($course) && !is_enrolled($context, $USER, '', true)) {
  68      throw new \moodle_exception('coursehidden', '', $CFG->wwwroot . '/');
  69  }
  70  
  71  // get all enrol forms available in this course
  72  $enrols = enrol_get_plugins(true);
  73  $enrolinstances = enrol_get_instances($course->id, true);
  74  $forms = array();
  75  foreach($enrolinstances as $instance) {
  76      if (!isset($enrols[$instance->enrol])) {
  77          continue;
  78      }
  79      $form = $enrols[$instance->enrol]->enrol_page_hook($instance);
  80      if ($form) {
  81          $forms[$instance->id] = $form;
  82      }
  83  }
  84  
  85  // Check if user already enrolled
  86  if (is_enrolled($context, $USER, '', true)) {
  87      if (!empty($SESSION->wantsurl)) {
  88          $destination = $SESSION->wantsurl;
  89          unset($SESSION->wantsurl);
  90      } else {
  91          $destination = "$CFG->wwwroot/course/view.php?id=$course->id";
  92      }
  93      redirect($destination);   // Bye!
  94  }
  95  
  96  $PAGE->set_title($course->shortname);
  97  $PAGE->set_heading($course->fullname);
  98  $PAGE->navbar->add(get_string('enrolmentoptions','enrol'));
  99  
 100  echo $OUTPUT->header();
 101  echo $OUTPUT->heading(get_string('enrolmentoptions','enrol'));
 102  
 103  $courserenderer = $PAGE->get_renderer('core', 'course');
 104  echo $courserenderer->course_info_box($course);
 105  
 106  //TODO: find if future enrolments present and display some info
 107  
 108  foreach ($forms as $form) {
 109      echo $form;
 110  }
 111  
 112  if (!$forms) {
 113      if (isguestuser()) {
 114          notice(get_string('noguestaccess', 'enrol'), get_login_url());
 115      } else if ($returnurl) {
 116          notice(get_string('notenrollable', 'enrol'), $returnurl);
 117      } else {
 118          $url = get_local_referer(false);
 119          if (empty($url)) {
 120              $url = new moodle_url('/index.php');
 121          }
 122          notice(get_string('notenrollable', 'enrol'), $url);
 123      }
 124  }
 125  
 126  echo $OUTPUT->footer();