Merge branch 'MDL-62397-master' of git://github.com/andrewnicols/moodle
[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     if ($editing) {
127         // Make sure section with number 1 exists.
128         course_create_sections_if_missing($SITE, 1);
129         // Re-request modinfo in case section was created.
130         $modinfo = get_fast_modinfo($SITE);
131     }
132     $section = $modinfo->get_section_info(1);
133     if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
134         echo $OUTPUT->box_start('generalbox sitetopic');
136         // If currently moving a file then show the current clipboard.
137         if (ismoving($SITE->id)) {
138             $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
139             echo '<p><font size="2">';
140             echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">";
141             echo get_string('cancel') . '</a>)';
142             echo '</font></p>';
143         }
145         $context = context_course::instance(SITEID);
147         // If the section name is set we show it.
148         if (trim($section->name) !== '') {
149             echo $OUTPUT->heading(
150                 format_string($section->name, true, array('context' => $context)),
151                 2,
152                 'sectionname'
153             );
154         }
156         $summarytext = file_rewrite_pluginfile_urls($section->summary,
157             'pluginfile.php',
158             $context->id,
159             'course',
160             'section',
161             $section->id);
162         $summaryformatoptions = new stdClass();
163         $summaryformatoptions->noclean = true;
164         $summaryformatoptions->overflowdiv = true;
166         echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
168         if ($editing && has_capability('moodle/course:update', $context)) {
169             $streditsummary = get_string('editsummary');
170             echo "<a title=\"$streditsummary\" " .
171                  " href=\"course/editsection.php?id=$section->id\">" . $OUTPUT->pix_icon('t/edit', $streditsummary) .
172                  "</a><br /><br />";
173         }
175         $courserenderer = $PAGE->get_renderer('core', 'course');
176         echo $courserenderer->course_section_cm_list($SITE, $section);
178         echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
179         echo $OUTPUT->box_end();
180     }
182 // Include course AJAX.
183 include_course_ajax($SITE, $modnamesused);
185 if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
186     $frontpagelayout = $CFG->frontpageloggedin;
187 } else {
188     $frontpagelayout = $CFG->frontpage;
191 foreach (explode(',', $frontpagelayout) as $v) {
192     switch ($v) {
193         // Display the main part of the front page.
194         case FRONTPAGENEWS:
195             if ($SITE->newsitems) {
196                 // Print forums only when needed.
197                 require_once($CFG->dirroot .'/mod/forum/lib.php');
199                 if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
200                     print_error('cannotfindorcreateforum', 'forum');
201                 }
203                 // Fetch news forum context for proper filtering to happen.
204                 $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
205                 $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
207                 $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
208                 echo html_writer::link('#skipsitenews',
209                     get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))),
210                     array('class' => 'skip-block skip'));
212                 // Wraps site news forum in div container.
213                 echo html_writer::start_tag('div', array('id' => 'site-news-forum'));
215                 if (isloggedin()) {
216                     $SESSION->fromdiscussion = $CFG->wwwroot;
217                     $subtext = '';
218                     if (\mod_forum\subscriptions::is_subscribed($USER->id, $newsforum)) {
219                         if (!\mod_forum\subscriptions::is_forcesubscribed($newsforum)) {
220                             $subtext = get_string('unsubscribe', 'forum');
221                         }
222                     } else {
223                         $subtext = get_string('subscribe', 'forum');
224                     }
225                     echo $OUTPUT->heading($forumname);
226                     $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
227                     echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
228                 } else {
229                     echo $OUTPUT->heading($forumname);
230                 }
232                 forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
234                 // End site news forum div container.
235                 echo html_writer::end_tag('div');
237                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipsitenews'));
238             }
239         break;
241         case FRONTPAGEENROLLEDCOURSELIST:
242             $mycourseshtml = $courserenderer->frontpage_my_courses();
243             if (!empty($mycourseshtml)) {
244                 echo html_writer::link('#skipmycourses',
245                     get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))),
246                     array('class' => 'skip skip-block'));
248                 // Wrap frontpage course list in div container.
249                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
251                 echo $OUTPUT->heading(get_string('mycourses'));
252                 echo $mycourseshtml;
254                 // End frontpage course list div container.
255                 echo html_writer::end_tag('div');
257                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipmycourses'));
258                 break;
259             }
260             // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
262         case FRONTPAGEALLCOURSELIST:
263             $availablecourseshtml = $courserenderer->frontpage_available_courses();
264             if (!empty($availablecourseshtml)) {
265                 echo html_writer::link('#skipavailablecourses',
266                     get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))),
267                     array('class' => 'skip skip-block'));
269                 // Wrap frontpage course list in div container.
270                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
272                 echo $OUTPUT->heading(get_string('availablecourses'));
273                 echo $availablecourseshtml;
275                 // End frontpage course list div container.
276                 echo html_writer::end_tag('div');
278                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipavailablecourses'));
279             }
280         break;
282         case FRONTPAGECATEGORYNAMES:
283             echo html_writer::link('#skipcategories',
284                 get_string('skipa', 'access', core_text::strtolower(get_string('categories'))),
285                 array('class' => 'skip skip-block'));
287             // Wrap frontpage category names in div container.
288             echo html_writer::start_tag('div', array('id' => 'frontpage-category-names'));
290             echo $OUTPUT->heading(get_string('categories'));
291             echo $courserenderer->frontpage_categories_list();
293             // End frontpage category names div container.
294             echo html_writer::end_tag('div');
296             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcategories'));
297         break;
299         case FRONTPAGECATEGORYCOMBO:
300             echo html_writer::link('#skipcourses',
301                 get_string('skipa', 'access', core_text::strtolower(get_string('courses'))),
302                 array('class' => 'skip skip-block'));
304             // Wrap frontpage category combo in div container.
305             echo html_writer::start_tag('div', array('id' => 'frontpage-category-combo'));
307             echo $OUTPUT->heading(get_string('courses'));
308             echo $courserenderer->frontpage_combo_list();
310             // End frontpage category combo div container.
311             echo html_writer::end_tag('div');
313             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcourses'));
314         break;
316         case FRONTPAGECOURSESEARCH:
317             echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
318         break;
320     }
321     echo '<br />';
323 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
324     echo $courserenderer->add_new_course_button();
326 echo $OUTPUT->footer();