MDL-41254 backup Raise time and memory limit in precheck.
[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     $urlparams = array();
38     if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 0) {
39         $urlparams['redirect'] = 0;
40     }
41     $PAGE->set_url('/', $urlparams);
42     $PAGE->set_course($SITE);
43     $PAGE->set_other_editing_capability('moodle/course:update');
44     $PAGE->set_other_editing_capability('moodle/course:manageactivities');
45     $PAGE->set_other_editing_capability('moodle/course:activityvisibility');
47     // Prevent caching of this page to stop confusion when changing page after making AJAX changes
48     $PAGE->set_cacheable(false);
50     if ($CFG->forcelogin) {
51         require_login();
52     } else {
53         user_accesstime_log();
54     }
56     $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
58 /// If the site is currently under maintenance, then print a message
59     if (!empty($CFG->maintenance_enabled) and !$hassiteconfig) {
60         print_maintenance_message();
61     }
63     if ($hassiteconfig && moodle_needs_upgrading()) {
64         redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
65     }
67     if (get_home_page() != HOMEPAGE_SITE) {
68         // Redirect logged-in users to My Moodle overview if required
69         if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
70             set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
71         } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 1) {
72             redirect($CFG->wwwroot .'/my/');
73         } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
74             $PAGE->settingsnav->get('usercurrentsettings')->add(get_string('makethismyhome'), new moodle_url('/', array('setdefaulthome'=>true)), navigation_node::TYPE_SETTING);
75         }
76     }
78     if (isloggedin()) {
79         add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
80     }
82 /// If the hub plugin is installed then we let it take over the homepage here
83     if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
84         require_once($CFG->dirroot.'/local/hub/lib.php');
85         $hub = new local_hub();
86         $continue = $hub->display_homepage();
87         //display_homepage() return true if the hub home page is not displayed
88         //mostly when search form is not displayed for not logged users
89         if (empty($continue)) {
90             exit;
91         }
92     }
94     $PAGE->set_pagetype('site-index');
95     $PAGE->set_docs_path('');
96     $PAGE->set_pagelayout('frontpage');
97     $editing = $PAGE->user_is_editing();
98     $PAGE->set_title($SITE->fullname);
99     $PAGE->set_heading($SITE->fullname);
100     $courserenderer = $PAGE->get_renderer('core', 'course');
101     echo $OUTPUT->header();
103 /// Print Section or custom info
104     $siteformatoptions = course_get_format($SITE)->get_format_options();
105     $modinfo = get_fast_modinfo($SITE);
106     $modnames = get_module_types_names();
107     $modnamesplural = get_module_types_names(true);
108     $modnamesused = $modinfo->get_used_module_names();
109     $mods = $modinfo->get_cms();
111     if (!empty($CFG->customfrontpageinclude)) {
112         include($CFG->customfrontpageinclude);
114     } else if ($siteformatoptions['numsections'] > 0) {
115         if ($editing) {
116             // make sure section with number 1 exists
117             course_create_sections_if_missing($SITE, 1);
118             // re-request modinfo in case section was created
119             $modinfo = get_fast_modinfo($SITE);
120         }
121         $section = $modinfo->get_section_info(1);
122         if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
123             echo $OUTPUT->box_start('generalbox sitetopic');
125             /// If currently moving a file then show the current clipboard
126             if (ismoving($SITE->id)) {
127                 $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
128                 echo '<p><font size="2">';
129                 echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">". get_string('cancel') .'</a>)';
130                 echo '</font></p>';
131             }
133             $context = context_course::instance(SITEID);
134             $summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course', 'section', $section->id);
135             $summaryformatoptions = new stdClass();
136             $summaryformatoptions->noclean = true;
137             $summaryformatoptions->overflowdiv = true;
139             echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
141             if ($editing && has_capability('moodle/course:update', $context)) {
142                 $streditsummary = get_string('editsummary');
143                 echo "<a title=\"$streditsummary\" ".
144                      " href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" ".
145                      " class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
146             }
148             $courserenderer = $PAGE->get_renderer('core', 'course');
149             echo $courserenderer->course_section_cm_list($SITE, $section);
151             echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
152             echo $OUTPUT->box_end();
153         }
154     }
155     // Include course AJAX
156     include_course_ajax($SITE, $modnamesused);
158     if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
159         $frontpagelayout = $CFG->frontpageloggedin;
160     } else {
161         $frontpagelayout = $CFG->frontpage;
162     }
164     foreach (explode(',',$frontpagelayout) as $v) {
165         switch ($v) {     /// Display the main part of the front page.
166             case FRONTPAGENEWS:
167                 if ($SITE->newsitems) { // Print forums only when needed
168                     require_once($CFG->dirroot .'/mod/forum/lib.php');
170                     if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
171                         print_error('cannotfindorcreateforum', 'forum');
172                     }
174                     // fetch news forum context for proper filtering to happen
175                     $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
176                     $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
178                     $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
179                     echo html_writer::tag('a', get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))), array('href'=>'#skipsitenews', 'class'=>'skip-block'));
181                     // wraps site news forum in div container.
182                     echo html_writer::start_tag('div', array('id'=>'site-news-forum'));
184                     if (isloggedin()) {
185                         $SESSION->fromdiscussion = $CFG->wwwroot;
186                         $subtext = '';
187                         if (forum_is_subscribed($USER->id, $newsforum)) {
188                             if (!forum_is_forcesubscribed($newsforum)) {
189                                 $subtext = get_string('unsubscribe', 'forum');
190                             }
191                         } else {
192                             $subtext = get_string('subscribe', 'forum');
193                         }
194                         echo $OUTPUT->heading($forumname, 2, 'headingblock header');
195                         $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
196                         echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
197                     } else {
198                         echo $OUTPUT->heading($forumname, 2, 'headingblock header');
199                     }
201                     forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
203                     //end site news forum div container
204                     echo html_writer::end_tag('div');
206                     echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipsitenews'));
207                 }
208             break;
210             case FRONTPAGEENROLLEDCOURSELIST:
211                 $mycourseshtml = $courserenderer->frontpage_my_courses();
212                 if (!empty($mycourseshtml)) {
213                     echo html_writer::tag('a', get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))), array('href'=>'#skipmycourses', 'class'=>'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('mycourses'), 2, 'headingblock header');
219                     echo $mycourseshtml;
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'=>'skipmycourses'));
225                     break;
226                 }
227                 // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
229             case FRONTPAGEALLCOURSELIST:
230                 $availablecourseshtml = $courserenderer->frontpage_available_courses();
231                 if (!empty($availablecourseshtml)) {
232                     echo html_writer::tag('a', get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))), array('href'=>'#skipavailablecourses', 'class'=>'skip-block'));
234                     //wrap frontpage course list in div container
235                     echo html_writer::start_tag('div', array('id'=>'frontpage-course-list'));
237                     echo $OUTPUT->heading(get_string('availablecourses'), 2, 'headingblock header');
238                     echo $availablecourseshtml;
240                     //end frontpage course list div container
241                     echo html_writer::end_tag('div');
243                     echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipavailablecourses'));
244                 }
245             break;
247             case FRONTPAGECATEGORYNAMES:
248                 echo html_writer::tag('a', get_string('skipa', 'access', core_text::strtolower(get_string('categories'))), array('href'=>'#skipcategories', 'class'=>'skip-block'));
250                 //wrap frontpage category names in div container
251                 echo html_writer::start_tag('div', array('id'=>'frontpage-category-names'));
253                 echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
254                 echo $courserenderer->frontpage_categories_list();
256                 //end frontpage category names div container
257                 echo html_writer::end_tag('div');
259                 echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcategories'));
260             break;
262             case FRONTPAGECATEGORYCOMBO:
263                 echo html_writer::tag('a', get_string('skipa', 'access', core_text::strtolower(get_string('courses'))), array('href'=>'#skipcourses', 'class'=>'skip-block'));
265                 //wrap frontpage category combo in div container
266                 echo html_writer::start_tag('div', array('id'=>'frontpage-category-combo'));
268                 echo $OUTPUT->heading(get_string('courses'), 2, 'headingblock header');
269                 echo $courserenderer->frontpage_combo_list();
271                 //end frontpage category combo div container
272                 echo html_writer::end_tag('div');
274                 echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcourses'));
275             break;
277             case FRONTPAGECOURSESEARCH:
278                 echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
279             break;
281         }
282         echo '<br />';
283     }
284     if ($editing && has_capability('moodle/course:create', context_system::instance())) {
285         echo $courserenderer->add_new_course_button();
286     }
287     echo $OUTPUT->footer();