MDL-30222 Fixed home page redirection madness. Thank you Julien Boulen for providing...
[moodle.git] / index.php
1 <?php
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/>.
18 /**
19  * Moodle frontpage.
20  *
21  * @package    core
22  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24  */
26     if (!file_exists('./config.php')) {
27         header('Location: install.php');
28         die;
29     }
31     require_once('config.php');
32     require_once($CFG->dirroot .'/course/lib.php');
33     require_once($CFG->libdir .'/filelib.php');
35     redirect_if_major_upgrade_required();
37     if ($CFG->forcelogin) {
38         require_login();
39     } else {
40         user_accesstime_log();
41     }
43     $hassiteconfig = has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
45     $PAGE->set_url('/');
46     $PAGE->set_course($SITE);
48 /// If the site is currently under maintenance, then print a message
49     if (!empty($CFG->maintenance_enabled) and !$hassiteconfig) {
50         print_maintenance_message();
51     }
53     if ($hassiteconfig && moodle_needs_upgrading()) {
54         redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
55     }
57     if (get_home_page() != HOMEPAGE_SITE) {
58         // Redirect logged-in users to My Moodle overview if required
59         if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
60             set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
61         } else if ($CFG->defaulthomepage == HOMEPAGE_MY && optional_param('redirect', 1, PARAM_BOOL) === 1) {
62             redirect($CFG->wwwroot .'/my/');
63         } else if (!empty($CFG->defaulthomepage) && $CFG->defaulthomepage == HOMEPAGE_USER) {
64             $PAGE->settingsnav->get('usercurrentsettings')->add(get_string('makethismyhome'), new moodle_url('/', array('setdefaulthome'=>true)), navigation_node::TYPE_SETTING);
65         }
66     }
68     if (isloggedin()) {
69         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
70     }
72 /// If the hub plugin is installed then we let it take over the homepage here
73     if (get_config('local_hub', 'hubenabled') && file_exists($CFG->dirroot.'/local/hub/lib.php')) {
74         require_once($CFG->dirroot.'/local/hub/lib.php');
75         $hub = new local_hub();
76         $continue = $hub->display_homepage();
77         //display_homepage() return true if the hub home page is not displayed
78         //mostly when search form is not displayed for not logged users
79         if (empty($continue)) {
80             exit;
81         }
82     }
84     $PAGE->set_pagetype('site-index');
85     $PAGE->set_other_editing_capability('moodle/course:manageactivities');
86     $PAGE->set_docs_path('');
87     $PAGE->set_pagelayout('frontpage');
88     $editing = $PAGE->user_is_editing();
89     $PAGE->set_title($SITE->fullname);
90     $PAGE->set_heading($SITE->fullname);
91     echo $OUTPUT->header();
93 /// Print Section or custom info
94     if (!empty($CFG->customfrontpageinclude)) {
95         include($CFG->customfrontpageinclude);
97     } else if ($SITE->numsections > 0) {
99         if (!$section = $DB->get_record('course_sections', array('course'=>$SITE->id, 'section'=>1))) {
100             $DB->delete_records('course_sections', array('course'=>$SITE->id, 'section'=>1)); // Just in case
101             $section->course = $SITE->id;
102             $section->section = 1;
103             $section->summary = '';
104             $section->summaryformat = FORMAT_HTML;
105             $section->sequence = '';
106             $section->visible = 1;
107             $section->id = $DB->insert_record('course_sections', $section);
108         }
110         if (!empty($section->sequence) or !empty($section->summary) or $editing) {
111             echo $OUTPUT->box_start('generalbox sitetopic');
113             /// If currently moving a file then show the current clipboard
114             if (ismoving($SITE->id)) {
115                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
116                 echo '<p><font size="2">';
117                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">". get_string('cancel') .'</a>)';
118                 echo '</font></p>';
119             }
121             $context = get_context_instance(CONTEXT_COURSE, SITEID);
122             $summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course', 'section', $section->id);
123             $summaryformatoptions = new stdClass();
124             $summaryformatoptions->noclean = true;
125             $summaryformatoptions->overflowdiv = true;
127             echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
129             if ($editing) {
130                 $streditsummary = get_string('editsummary');
131                 echo "<a title=\"$streditsummary\" ".
132                      " href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" ".
133                      " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
134             }
136             get_all_mods($SITE->id, $mods, $modnames, $modnamesplural, $modnamesused);
137             print_section($SITE, $section, $mods, $modnamesused, true);
139             if ($editing) {
140                 print_section_add_menus($SITE, $section->section, $modnames);
141             }
142             echo $OUTPUT->box_end();
143         }
144     }
146     if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
147         $frontpagelayout = $CFG->frontpageloggedin;
148     } else {
149         $frontpagelayout = $CFG->frontpage;
150     }
152     foreach (explode(',',$frontpagelayout) as $v) {
153         switch ($v) {     /// Display the main part of the front page.
154             case FRONTPAGENEWS:
155                 if ($SITE->newsitems) { // Print forums only when needed
156                     require_once($CFG->dirroot .'/mod/forum/lib.php');
158                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
159                         print_error('cannotfindorcreateforum', 'forum');
160                     }
162                     // fetch news forum context for proper filtering to happen
163                     $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
164                     $newsforumcontext = get_context_instance(CONTEXT_MODULE, $newsforumcm->id, MUST_EXIST);
166                     $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
167                     echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(strip_tags($forumname))), array('href'=>'#skipsitenews', 'class'=>'skip-block'));
169                     if (isloggedin()) {
170                         $SESSION->fromdiscussion = $CFG->wwwroot;
171                         $subtext = '';
172                         if (forum_is_subscribed($USER->id, $newsforum)) {
173                             if (!forum_is_forcesubscribed($newsforum)) {
174                                 $subtext = get_string('unsubscribe', 'forum');
175                             }
176                         } else {
177                             $subtext = get_string('subscribe', 'forum');
178                         }
179                         echo $OUTPUT->heading($forumname, 2, 'headingblock header');
180                         $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
181                         echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
182                     } else {
183                         echo $OUTPUT->heading($forumname, 2, 'headingblock header');
184                     }
186                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
187                     echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipsitenews'));
188                 }
189             break;
191             case FRONTPAGECOURSELIST:
192                 if (isloggedin() and !$hassiteconfig and !isguestuser() and empty($CFG->disablemycourses)) {
193                     echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('mycourses'))), array('href'=>'#skipmycourses', 'class'=>'skip-block'));
194                     echo $OUTPUT->heading(get_string('mycourses'), 2, 'headingblock header');
195                     print_my_moodle();
196                     echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipmycourses'));
197                 } else if ((!$hassiteconfig and !isguestuser()) or ($DB->count_records('course') <= FRONTPAGECOURSELIMIT)) {
198                     // admin should not see list of courses when there are too many of them
199                     echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('availablecourses'))), array('href'=>'#skipavailablecourses', 'class'=>'skip-block'));
200                     echo $OUTPUT->heading(get_string('availablecourses'), 2, 'headingblock header');
201                     print_courses(0);
202                     echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipavailablecourses'));
203                 }
204             break;
206             case FRONTPAGECATEGORYNAMES:
207                 echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('categories'))), array('href'=>'#skipcategories', 'class'=>'skip-block'));
208                 echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
209                 echo $OUTPUT->box_start('generalbox categorybox');
210                 print_whole_category_list(NULL, NULL, NULL, -1, false);
211                 echo $OUTPUT->box_end();
212                 print_course_search('', false, 'short');
213                 echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcategories'));
214             break;
216             case FRONTPAGECATEGORYCOMBO:
217                 echo html_writer::tag('a', get_string('skipa', 'access', moodle_strtolower(get_string('courses'))), array('href'=>'#skipcourses', 'class'=>'skip-block'));
218                 echo $OUTPUT->heading(get_string('courses'), 2, 'headingblock header');
219                 $renderer = $PAGE->get_renderer('core','course');
220                 // if there are too many courses, budiling course category tree could be slow,
221                 // users should go to course index page to see the whole list.
222                 $coursecount = $DB->count_records('course');
223                 if (empty($CFG->numcoursesincombo)) {
224                     // if $CFG->numcoursesincombo hasn't been set, use default value 500
225                     $CFG->numcoursesincombo = 500;
226                 }
227                 if ($coursecount > $CFG->numcoursesincombo) {
228                     $link = new moodle_url('/course/');
229                     echo $OUTPUT->notification(get_string('maxnumcoursesincombo', 'moodle', array('link'=>$link->out(), 'maxnumofcourses'=>$CFG->numcoursesincombo, 'numberofcourses'=>$coursecount)));
230                 } else {
231                     echo $renderer->course_category_tree(get_course_category_tree());
232                 }
233                 print_course_search('', false, 'short');
234                 echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcourses'));
235             break;
237             case FRONTPAGETOPICONLY:    // Do nothing!!  :-)
238             break;
240         }
241         echo '<br />';
242     }
244     echo $OUTPUT->footer();