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/>.
  16
  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  */
  24
  25 if (!file_exists('./config.php')) {
  26     header('Location: install.php');
  27     die;
  28 }
  29
  30 require_once('config.php');
  31 require_once($CFG->dirroot .'/course/lib.php');
  32 require_once($CFG->libdir .'/filelib.php');
  33
  34 redirect_if_major_upgrade_required();
  35
  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');
  45
  46 // Prevent caching of this page to stop confusion when changing page after making AJAX changes.
  47 $PAGE->set_cacheable(false);
  48
  49 require_course_login($SITE);
  50
  51 $hasmaintenanceaccess = has_capability('moodle/site:maintenanceaccess', context_system::instance());
  52
  53 // If the site is currently under maintenance, then print a message.
  54 if (!empty($CFG->maintenance_enabled) and !$hasmaintenanceaccess) {
  55     print_maintenance_message();
  56 }
  57
  58 $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
  59
  60 if ($hassiteconfig && moodle_needs_upgrading()) {
  61     redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  62 }
  63
  64 if (get_home_page() != HOMEPAGE_SITE) {
  65     // Redirect logged-in users to My Moodle overview if required.
  66     $redirect = optional_param('redirect', 1, PARAM_BOOL);
  67     if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
  68         set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
  69     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && $redirect === 1) {
  70         redirect($CFG->wwwroot .'/my/');
  71     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
  72         $frontpagenode = $PAGE->settingsnav->find('frontpage', null);
  73         if ($frontpagenode) {
  74             $frontpagenode->add(
  75                 get_string('makethismyhome'),
  76                 new moodle_url('/', array('setdefaulthome' => true)),
  77                 navigation_node::TYPE_SETTING);
  78         } else {
  79             $frontpagenode = $PAGE->settingsnav->add(get_string('frontpagesettings'), null, navigation_node::TYPE_SETTING, null);
  80             $frontpagenode->force_open();
  81             $frontpagenode->add(get_string('makethismyhome'),
  82                 new moodle_url('/', array('setdefaulthome' => true)),
  83                 navigation_node::TYPE_SETTING);
  84         }
  85     }
  86 }
  87
  88 // Trigger event.
  89 course_view(context_course::instance(SITEID));
  90
  91 // If the hub plugin is installed then we let it take over the homepage here.
  92 if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
  93     require_once($CFG->dirroot.'/local/hub/lib.php');
  94     $hub = new local_hub();
  95     $continue = $hub->display_homepage();
  96     // Function display_homepage() returns true if the hub home page is not displayed
  97     // ...mostly when search form is not displayed for not logged users.
  98     if (empty($continue)) {
  99         exit;
 100     }
 101 }
 102
 103 $PAGE->set_pagetype('site-index');
 104 $PAGE->set_docs_path('');
 105 $editing = $PAGE->user_is_editing();
 106 $PAGE->set_title($SITE->fullname);
 107 $PAGE->set_heading($SITE->fullname);
 108 $courserenderer = $PAGE->get_renderer('core', 'course');
 109 echo $OUTPUT->header();
 110
 111 // Print Section or custom info.
 112 $siteformatoptions = course_get_format($SITE)->get_format_options();
 113 $modinfo = get_fast_modinfo($SITE);
 114 $modnames = get_module_types_names();
 115 $modnamesplural = get_module_types_names(true);
 116 $modnamesused = $modinfo->get_used_module_names();
 117 $mods = $modinfo->get_cms();
 118
 119 if (!empty($CFG->customfrontpageinclude)) {
 120     include($CFG->customfrontpageinclude);
 121
 122 } else if ($siteformatoptions['numsections'] > 0) {
 123     if ($editing) {
 124         // Make sure section with number 1 exists.
 125         course_create_sections_if_missing($SITE, 1);
 126         // Re-request modinfo in case section was created.
 127         $modinfo = get_fast_modinfo($SITE);
 128     }
 129     $section = $modinfo->get_section_info(1);
 130     if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
 131         echo $OUTPUT->box_start('generalbox sitetopic');
 132
 133         // If currently moving a file then show the current clipboard.
 134         if (ismoving($SITE->id)) {
 135             $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
 136             echo '<p><font size="2">';
 137             echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">";
 138             echo get_string('cancel') . '</a>)';
 139             echo '</font></p>';
 140         }
 141
 142         $context = context_course::instance(SITEID);
 143
 144         // If the section name is set we show it.
 145         if (trim($section->name) !== '') {
 146             echo $OUTPUT->heading(
 147                 format_string($section->name, true, array('context' => $context)),
 148                 2,
 149                 'sectionname'
 150             );
 151         }
 152
 153         $summarytext = file_rewrite_pluginfile_urls($section->summary,
 154             'pluginfile.php',
 155             $context->id,
 156             'course',
 157             'section',
 158             $section->id);
 159         $summaryformatoptions = new stdClass();
 160         $summaryformatoptions->noclean = true;
 161         $summaryformatoptions->overflowdiv = true;
 162
 163         echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
 164
 165         if ($editing && has_capability('moodle/course:update', $context)) {
 166             $streditsummary = get_string('editsummary');
 167             echo "<a title=\"$streditsummary\" " .
 168                  " href=\"course/editsection.php?id=$section->id\">" . $OUTPUT->pix_icon('t/edit', $streditsummary) .
 169                  "</a><br /><br />";
 170         }
 171
 172         $courserenderer = $PAGE->get_renderer('core', 'course');
 173         echo $courserenderer->course_section_cm_list($SITE, $section);
 174
 175         echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
 176         echo $OUTPUT->box_end();
 177     }
 178 }
 179 // Include course AJAX.
 180 include_course_ajax($SITE, $modnamesused);
 181
 182 if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
 183     $frontpagelayout = $CFG->frontpageloggedin;
 184 } else {
 185     $frontpagelayout = $CFG->frontpage;
 186 }
 187
 188 foreach (explode(',', $frontpagelayout) as $v) {
 189     switch ($v) {
 190         // Display the main part of the front page.
 191         case FRONTPAGENEWS:
 192             if ($SITE->newsitems) {
 193                 // Print forums only when needed.
 194                 require_once($CFG->dirroot .'/mod/forum/lib.php');
 195
 196                 if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 197                     print_error('cannotfindorcreateforum', 'forum');
 198                 }
 199
 200                 // Fetch news forum context for proper filtering to happen.
 201                 $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
 202                 $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
 203
 204                 $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
 205                 echo html_writer::link('#skipsitenews',
 206                     get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))),
 207                     array('class' => 'skip-block skip'));
 208
 209                 // Wraps site news forum in div container.
 210                 echo html_writer::start_tag('div', array('id' => 'site-news-forum'));
 211
 212                 if (isloggedin()) {
 213                     $SESSION->fromdiscussion = $CFG->wwwroot;
 214                     $subtext = '';
 215                     if (\mod_forum\subscriptions::is_subscribed($USER->id, $newsforum)) {
 216                         if (!\mod_forum\subscriptions::is_forcesubscribed($newsforum)) {
 217                             $subtext = get_string('unsubscribe', 'forum');
 218                         }
 219                     } else {
 220                         $subtext = get_string('subscribe', 'forum');
 221                     }
 222                     echo $OUTPUT->heading($forumname);
 223                     $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
 224                     echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
 225                 } else {
 226                     echo $OUTPUT->heading($forumname);
 227                 }
 228
 229                 forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 230
 231                 // End site news forum div container.
 232                 echo html_writer::end_tag('div');
 233
 234                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipsitenews'));
 235             }
 236         break;
 237
 238         case FRONTPAGEENROLLEDCOURSELIST:
 239             $mycourseshtml = $courserenderer->frontpage_my_courses();
 240             if (!empty($mycourseshtml)) {
 241                 echo html_writer::link('#skipmycourses',
 242                     get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))),
 243                     array('class' => 'skip skip-block'));
 244
 245                 // Wrap frontpage course list in div container.
 246                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
 247
 248                 echo $OUTPUT->heading(get_string('mycourses'));
 249                 echo $mycourseshtml;
 250
 251                 // End frontpage course list div container.
 252                 echo html_writer::end_tag('div');
 253
 254                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipmycourses'));
 255                 break;
 256             }
 257             // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
 258
 259         case FRONTPAGEALLCOURSELIST:
 260             $availablecourseshtml = $courserenderer->frontpage_available_courses();
 261             if (!empty($availablecourseshtml)) {
 262                 echo html_writer::link('#skipavailablecourses',
 263                     get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))),
 264                     array('class' => 'skip skip-block'));
 265
 266                 // Wrap frontpage course list in div container.
 267                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
 268
 269                 echo $OUTPUT->heading(get_string('availablecourses'));
 270                 echo $availablecourseshtml;
 271
 272                 // End frontpage course list div container.
 273                 echo html_writer::end_tag('div');
 274
 275                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipavailablecourses'));
 276             }
 277         break;
 278
 279         case FRONTPAGECATEGORYNAMES:
 280             echo html_writer::link('#skipcategories',
 281                 get_string('skipa', 'access', core_text::strtolower(get_string('categories'))),
 282                 array('class' => 'skip skip-block'));
 283
 284             // Wrap frontpage category names in div container.
 285             echo html_writer::start_tag('div', array('id' => 'frontpage-category-names'));
 286
 287             echo $OUTPUT->heading(get_string('categories'));
 288             echo $courserenderer->frontpage_categories_list();
 289
 290             // End frontpage category names div container.
 291             echo html_writer::end_tag('div');
 292
 293             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcategories'));
 294         break;
 295
 296         case FRONTPAGECATEGORYCOMBO:
 297             echo html_writer::link('#skipcourses',
 298                 get_string('skipa', 'access', core_text::strtolower(get_string('courses'))),
 299                 array('class' => 'skip skip-block'));
 300
 301             // Wrap frontpage category combo in div container.
 302             echo html_writer::start_tag('div', array('id' => 'frontpage-category-combo'));
 303
 304             echo $OUTPUT->heading(get_string('courses'));
 305             echo $courserenderer->frontpage_combo_list();
 306
 307             // End frontpage category combo div container.
 308             echo html_writer::end_tag('div');
 309
 310             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcourses'));
 311         break;
 312
 313         case FRONTPAGECOURSESEARCH:
 314             echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
 315         break;
 316
 317     }
 318     echo '<br />';
 319 }
 320 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
 321     echo $courserenderer->add_new_course_button();
 322 }
 323 echo $OUTPUT->footer();