MDL-63050 cachestore_redis: Update hExists to check empty
[moodle.git] / index.php
blob01b2b5ffb4c35ba6e31668df5cfef897d164b50f
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.
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/>.
17 /**
18 * Moodle frontpage.
20 * @package core
21 * @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 if (!file_exists('./config.php')) {
26 header('Location: install.php');
27 die;
30 require_once('config.php');
31 require_once($CFG->dirroot .'/course/lib.php');
32 require_once($CFG->libdir .'/filelib.php');
34 redirect_if_major_upgrade_required();
36 $urlparams = array();
37 if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 0) {
38 $urlparams['redirect'] = 0;
40 $PAGE->set_url('/', $urlparams);
41 $PAGE->set_pagelayout('frontpage');
42 $PAGE->set_other_editing_capability('moodle/course:update');
43 $PAGE->set_other_editing_capability('moodle/course:manageactivities');
44 $PAGE->set_other_editing_capability('moodle/course:activityvisibility');
46 // Prevent caching of this page to stop confusion when changing page after making AJAX changes.
47 $PAGE->set_cacheable(false);
49 require_course_login($SITE);
51 $hasmaintenanceaccess = has_capability('moodle/site:maintenanceaccess', context_system::instance());
53 // If the site is currently under maintenance, then print a message.
54 if (!empty($CFG->maintenance_enabled) and !$hasmaintenanceaccess) {
55 print_maintenance_message();
58 $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
60 if ($hassiteconfig && moodle_needs_upgrading()) {
61 redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
64 // If site registration needs updating, redirect.
65 \core\hub\registration::registration_reminder('/index.php');
67 if (get_home_page() != HOMEPAGE_SITE) {
68 // Redirect logged-in users to My Moodle overview if required.
69 $redirect = optional_param('redirect', 1, PARAM_BOOL);
70 if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
71 set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
72 } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && $redirect === 1) {
73 redirect($CFG->wwwroot .'/my/');
74 } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
75 $frontpagenode = $PAGE->settingsnav->find('frontpage', null);
76 if ($frontpagenode) {
77 $frontpagenode->add(
78 get_string('makethismyhome'),
79 new moodle_url('/', array('setdefaulthome' => true)),
80 navigation_node::TYPE_SETTING);
81 } else {
82 $frontpagenode = $PAGE->settingsnav->add(get_string('frontpagesettings'), null, navigation_node::TYPE_SETTING, null);
83 $frontpagenode->force_open();
84 $frontpagenode->add(get_string('makethismyhome'),
85 new moodle_url('/', array('setdefaulthome' => true)),
86 navigation_node::TYPE_SETTING);
91 // Trigger event.
92 course_view(context_course::instance(SITEID));
94 // If the hub plugin is installed then we let it take over the homepage here.
95 if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
96 require_once($CFG->dirroot.'/local/hub/lib.php');
97 $hub = new local_hub();
98 $continue = $hub->display_homepage();
99 // Function display_homepage() returns true if the hub home page is not displayed
100 // ...mostly when search form is not displayed for not logged users.
101 if (empty($continue)) {
102 exit;
106 $PAGE->set_pagetype('site-index');
107 $PAGE->set_docs_path('');
108 $editing = $PAGE->user_is_editing();
109 $PAGE->set_title($SITE->fullname);
110 $PAGE->set_heading($SITE->fullname);
111 $courserenderer = $PAGE->get_renderer('core', 'course');
112 echo $OUTPUT->header();
114 $siteformatoptions = course_get_format($SITE)->get_format_options();
115 $modinfo = get_fast_modinfo($SITE);
116 $modnamesused = $modinfo->get_used_module_names();
118 // Print Section or custom info.
119 if (!empty($CFG->customfrontpageinclude)) {
120 // Pre-fill some variables that custom front page might use.
121 $modnames = get_module_types_names();
122 $modnamesplural = get_module_types_names(true);
123 $mods = $modinfo->get_cms();
125 include($CFG->customfrontpageinclude);
127 } else if ($siteformatoptions['numsections'] > 0) {
128 echo $courserenderer->frontpage_section1();
130 // Include course AJAX.
131 include_course_ajax($SITE, $modnamesused);
133 echo $courserenderer->frontpage();
135 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
136 echo $courserenderer->add_new_course_button();
138 echo $OUTPUT->footer();