enrol/index.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  * This page shows all course enrolment options for current user.
  20  *
  21  * @package    core
  22  * @subpackage enrol
  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 require_once("$CFG->libdir/formslib.php");
  29
  30 $id = required_param('id', PARAM_INT);
  31
  32 if (!isloggedin()) {
  33     // do not use require_login here because we are usually coming from it,
  34     // it would also mess up the SESSION->wantsurl
  35     redirect(get_login_url());
  36 }
  37
  38 $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  39 $context = get_context_instance(CONTEXT_COURSE, $course->id, MUST_EXIST);
  40
  41 // Everybody is enrolled on the frontpage
  42 if ($course->id == SITEID) {
  43     redirect("$CFG->wwwroot/");
  44 }
  45
  46 $PAGE->set_course($course);
  47 $PAGE->set_pagelayout('course');
  48 $PAGE->set_url('/enrol/index.php', array('id'=>$course->id));
  49
  50 // do not allow enrols when in login-as session
  51 if (session_is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {
  52     print_error('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);
  53 }
  54
  55 // get all enrol forms available in this course
  56 $enrols = enrol_get_plugins(true);
  57 $enrolinstances = enrol_get_instances($course->id, true);
  58 $forms = array();
  59 foreach($enrolinstances as $instance) {
  60     if (!isset($enrols[$instance->enrol])) {
  61         continue;
  62     }
  63     $form = $enrols[$instance->enrol]->enrol_page_hook($instance);
  64     if ($form) {
  65         $forms[$instance->id] = $form;
  66     }
  67 }
  68
  69 // Check if user already enrolled
  70 if (is_enrolled($context, $USER, '', true)) {
  71     if (!empty($SESSION->wantsurl)) {
  72         $destination = $SESSION->wantsurl;
  73         unset($SESSION->wantsurl);
  74     } else {
  75         $destination = "$CFG->wwwroot/course/view.php?id=$course->id";
  76     }
  77     redirect($destination);   // Bye!
  78 }
  79
  80 $PAGE->set_title($course->shortname);
  81 $PAGE->set_heading($course->fullname);
  82 $PAGE->navbar->add(get_string('enrolmentoptions','enrol'));
  83
  84 echo $OUTPUT->header();
  85 echo $OUTPUT->heading(get_string('enrolmentoptions','enrol'));
  86
  87 echo $OUTPUT->box_start('generalbox info');
  88
  89 $summary = file_rewrite_pluginfile_urls($course->summary, 'pluginfile.php', $context->id, 'course', 'summary', null);
  90 echo format_text($summary, $course->summaryformat, array('overflowdiv'=>true), $course->id);
  91 if (!empty($CFG->coursecontact)) {
  92     $coursecontactroles = explode(',', $CFG->coursecontact);
  93     foreach ($coursecontactroles as $roleid) {
  94         $role = $DB->get_record('role', array('id'=>$roleid));
  95         $roleid = (int) $roleid;
  96         if ($users = get_role_users($roleid, $context, true)) {
  97             foreach ($users as $teacher) {
  98                 $fullname = fullname($teacher, has_capability('moodle/site:viewfullnames', $context));
  99                 $namesarray[] = format_string(role_get_name($role, $context)).': <a href="'.$CFG->wwwroot.'/user/view.php?id='.
 100                     $teacher->id.'&amp;course='.SITEID.'">'.$fullname.'</a>';
 101             }
 102         }
 103     }
 104
 105     if (!empty($namesarray)) {
 106         echo "<ul class=\"teachers\">\n<li>";
 107         echo implode('</li><li>', $namesarray);
 108         echo "</li></ul>";
 109     }
 110 }
 111
 112 echo $OUTPUT->box_end();
 113
 114
 115 //TODO: find if future enrolments present and display some info
 116
 117 foreach ($forms as $form) {
 118     echo $form;
 119 }
 120
 121 if (!$forms) {
 122     if (isguestuser()) {
 123         notice(get_string('noguestaccess', 'enrol'), get_login_url());
 124     } else {
 125         notice(get_string('notenrollable', 'enrol'), "$CFG->wwwroot/index.php");
 126     }
 127 }
 128
 129 echo $OUTPUT->footer();