MDL-37977 frontpage: renderer method for frontpage section1
[moodle.git] / 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/>.
17 /**
18  * Moodle frontpage.
19  *
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
23  */
25 if (!file_exists('./config.php')) {
26     header('Location: install.php');
27     die;
28 }
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;
39 }
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();
56 }
58 $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
60 if ($hassiteconfig && moodle_needs_upgrading()) {
61     redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
62 }
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             $frontpagenode->add(get_string('makethismyhome'),
85                 new moodle_url('/', array('setdefaulthome' => true)),
86                 navigation_node::TYPE_SETTING);
87         }
88     }
89 }
91 // Trigger event.
92 course_view(context_course::instance(SITEID));
94 // If the hub plugin is installed then we let it take over the homepage here.
95 if (file_exists($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;
103     }
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 // Print Section or custom info.
115 $siteformatoptions = course_get_format($SITE)->get_format_options();
116 $modinfo = get_fast_modinfo($SITE);
117 $modnames = get_module_types_names();
118 $modnamesplural = get_module_types_names(true);
119 $modnamesused = $modinfo->get_used_module_names();
120 $mods = $modinfo->get_cms();
122 if (!empty($CFG->customfrontpageinclude)) {
123     include($CFG->customfrontpageinclude);
125 } else if ($siteformatoptions['numsections'] > 0) {
126     echo $courserenderer->frontpage_section1();
128 // Include course AJAX.
129 include_course_ajax($SITE, $modnamesused);
131 if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
132     $frontpagelayout = $CFG->frontpageloggedin;
133 } else {
134     $frontpagelayout = $CFG->frontpage;
137 foreach (explode(',', $frontpagelayout) as $v) {
138     switch ($v) {
139         // Display the main part of the front page.
140         case FRONTPAGENEWS:
141             if ($SITE->newsitems) {
142                 // Print forums only when needed.
143                 require_once($CFG->dirroot .'/mod/forum/lib.php');
145                 if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
146                     print_error('cannotfindorcreateforum', 'forum');
147                 }
149                 // Fetch news forum context for proper filtering to happen.
150                 $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
151                 $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
153                 $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
154                 echo html_writer::link('#skipsitenews',
155                     get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))),
156                     array('class' => 'skip-block skip'));
158                 // Wraps site news forum in div container.
159                 echo html_writer::start_tag('div', array('id' => 'site-news-forum'));
161                 if (isloggedin()) {
162                     $SESSION->fromdiscussion = $CFG->wwwroot;
163                     $subtext = '';
164                     if (\mod_forum\subscriptions::is_subscribed($USER->id, $newsforum)) {
165                         if (!\mod_forum\subscriptions::is_forcesubscribed($newsforum)) {
166                             $subtext = get_string('unsubscribe', 'forum');
167                         }
168                     } else {
169                         $subtext = get_string('subscribe', 'forum');
170                     }
171                     echo $OUTPUT->heading($forumname);
172                     $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
173                     echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
174                 } else {
175                     echo $OUTPUT->heading($forumname);
176                 }
178                 forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
180                 // End site news forum div container.
181                 echo html_writer::end_tag('div');
183                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipsitenews'));
184             }
185         break;
187         case FRONTPAGEENROLLEDCOURSELIST:
188             $mycourseshtml = $courserenderer->frontpage_my_courses();
189             if (!empty($mycourseshtml)) {
190                 echo html_writer::link('#skipmycourses',
191                     get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))),
192                     array('class' => 'skip skip-block'));
194                 // Wrap frontpage course list in div container.
195                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
197                 echo $OUTPUT->heading(get_string('mycourses'));
198                 echo $mycourseshtml;
200                 // End frontpage course list div container.
201                 echo html_writer::end_tag('div');
203                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipmycourses'));
204                 break;
205             }
206             // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
208         case FRONTPAGEALLCOURSELIST:
209             $availablecourseshtml = $courserenderer->frontpage_available_courses();
210             if (!empty($availablecourseshtml)) {
211                 echo html_writer::link('#skipavailablecourses',
212                     get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))),
213                     array('class' => 'skip skip-block'));
215                 // Wrap frontpage course list in div container.
216                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
218                 echo $OUTPUT->heading(get_string('availablecourses'));
219                 echo $availablecourseshtml;
221                 // End frontpage course list div container.
222                 echo html_writer::end_tag('div');
224                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipavailablecourses'));
225             }
226         break;
228         case FRONTPAGECATEGORYNAMES:
229             echo html_writer::link('#skipcategories',
230                 get_string('skipa', 'access', core_text::strtolower(get_string('categories'))),
231                 array('class' => 'skip skip-block'));
233             // Wrap frontpage category names in div container.
234             echo html_writer::start_tag('div', array('id' => 'frontpage-category-names'));
236             echo $OUTPUT->heading(get_string('categories'));
237             echo $courserenderer->frontpage_categories_list();
239             // End frontpage category names div container.
240             echo html_writer::end_tag('div');
242             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcategories'));
243         break;
245         case FRONTPAGECATEGORYCOMBO:
246             echo html_writer::link('#skipcourses',
247                 get_string('skipa', 'access', core_text::strtolower(get_string('courses'))),
248                 array('class' => 'skip skip-block'));
250             // Wrap frontpage category combo in div container.
251             echo html_writer::start_tag('div', array('id' => 'frontpage-category-combo'));
253             echo $OUTPUT->heading(get_string('courses'));
254             echo $courserenderer->frontpage_combo_list();
256             // End frontpage category combo div container.
257             echo html_writer::end_tag('div');
259             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcourses'));
260         break;
262         case FRONTPAGECOURSESEARCH:
263             echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
264         break;
266     }
267     echo '<br />';
269 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
270     echo $courserenderer->add_new_course_button();
272 echo $OUTPUT->footer();