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 $PAGE->set_course($SITE);
  42 $PAGE->set_pagelayout('frontpage');
  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');
  46
  47 // Prevent caching of this page to stop confusion when changing page after making AJAX changes.
  48 $PAGE->set_cacheable(false);
  49
  50 if ($CFG->forcelogin) {
  51     require_login();
  52 } else {
  53     user_accesstime_log();
  54 }
  55
  56 $hasmaintenanceaccess = has_capability('moodle/site:maintenanceaccess', context_system::instance());
  57
  58 // If the site is currently under maintenance, then print a message.
  59 if (!empty($CFG->maintenance_enabled) and !$hasmaintenanceaccess) {
  60     print_maintenance_message();
  61 }
  62
  63 $hassiteconfig = has_capability('moodle/site:config', context_system::instance());
  64
  65 if ($hassiteconfig && moodle_needs_upgrading()) {
  66     redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
  67 }
  68
  69 // If site registration needs updating, redirect.
  70 \core\hub\registration::registration_reminder('/index.php');
  71
  72 if (get_home_page() != HOMEPAGE_SITE) {
  73     // Redirect logged-in users to My Moodle overview if required.
  74     $redirect = optional_param('redirect', 1, PARAM_BOOL);
  75     if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
  76         set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
  77     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && $redirect === 1) {
  78         redirect($CFG->wwwroot .'/my/');
  79     } else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
  80         $frontpagenode = $PAGE->settingsnav->find('frontpage', null);
  81         if ($frontpagenode) {
  82             $frontpagenode->add(
  83                 get_string('makethismyhome'),
  84                 new moodle_url('/', array('setdefaulthome' => true)),
  85                 navigation_node::TYPE_SETTING);
  86         } else {
  87             $frontpagenode = $PAGE->settingsnav->add(get_string('frontpagesettings'), null, navigation_node::TYPE_SETTING, null);
  88             $frontpagenode->force_open();
  89             $frontpagenode->add(get_string('makethismyhome'),
  90                 new moodle_url('/', array('setdefaulthome' => true)),
  91                 navigation_node::TYPE_SETTING);
  92         }
  93     }
  94 }
  95
  96 // Trigger event.
  97 course_view(context_course::instance(SITEID));
  98
  99 // If the hub plugin is installed then we let it take over the homepage here.
 100 if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
 101     require_once($CFG->dirroot.'/local/hub/lib.php');
 102     $hub = new local_hub();
 103     $continue = $hub->display_homepage();
 104     // Function display_homepage() returns true if the hub home page is not displayed
 105     // ...mostly when search form is not displayed for not logged users.
 106     if (empty($continue)) {
 107         exit;
 108     }
 109 }
 110
 111 $PAGE->set_pagetype('site-index');
 112 $PAGE->set_docs_path('');
 113 $editing = $PAGE->user_is_editing();
 114 $PAGE->set_title($SITE->fullname);
 115 $PAGE->set_heading($SITE->fullname);
 116 $courserenderer = $PAGE->get_renderer('core', 'course');
 117 echo $OUTPUT->header();
 118
 119 // Print Section or custom info.
 120 $siteformatoptions = course_get_format($SITE)->get_format_options();
 121 $modinfo = get_fast_modinfo($SITE);
 122 $modnames = get_module_types_names();
 123 $modnamesplural = get_module_types_names(true);
 124 $modnamesused = $modinfo->get_used_module_names();
 125 $mods = $modinfo->get_cms();
 126
 127 if (!empty($CFG->customfrontpageinclude)) {
 128     include($CFG->customfrontpageinclude);
 129
 130 } else if ($siteformatoptions['numsections'] > 0) {
 131     if ($editing) {
 132         // Make sure section with number 1 exists.
 133         course_create_sections_if_missing($SITE, 1);
 134         // Re-request modinfo in case section was created.
 135         $modinfo = get_fast_modinfo($SITE);
 136     }
 137     $section = $modinfo->get_section_info(1);
 138     if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
 139         echo $OUTPUT->box_start('generalbox sitetopic');
 140
 141         // If currently moving a file then show the current clipboard.
 142         if (ismoving($SITE->id)) {
 143             $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
 144             echo '<p><font size="2">';
 145             echo "$stractivityclipboard&nbsp;&nbsp;(<a href=\"course/mod.php?cancelcopy=true&amp;sesskey=".sesskey()."\">";
 146             echo get_string('cancel') . '</a>)';
 147             echo '</font></p>';
 148         }
 149
 150         $context = context_course::instance(SITEID);
 151
 152         // If the section name is set we show it.
 153         if (trim($section->name) !== '') {
 154             echo $OUTPUT->heading(
 155                 format_string($section->name, true, array('context' => $context)),
 156                 2,
 157                 'sectionname'
 158             );
 159         }
 160
 161         $summarytext = file_rewrite_pluginfile_urls($section->summary,
 162             'pluginfile.php',
 163             $context->id,
 164             'course',
 165             'section',
 166             $section->id);
 167         $summaryformatoptions = new stdClass();
 168         $summaryformatoptions->noclean = true;
 169         $summaryformatoptions->overflowdiv = true;
 170
 171         echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
 172
 173         if ($editing && has_capability('moodle/course:update', $context)) {
 174             $streditsummary = get_string('editsummary');
 175             echo "<a title=\"$streditsummary\" " .
 176                  " href=\"course/editsection.php?id=$section->id\">" . $OUTPUT->pix_icon('t/edit', $streditsummary) .
 177                  "</a><br /><br />";
 178         }
 179
 180         $courserenderer = $PAGE->get_renderer('core', 'course');
 181         echo $courserenderer->course_section_cm_list($SITE, $section);
 182
 183         echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
 184         echo $OUTPUT->box_end();
 185     }
 186 }
 187 // Include course AJAX.
 188 include_course_ajax($SITE, $modnamesused);
 189
 190 if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
 191     $frontpagelayout = $CFG->frontpageloggedin;
 192 } else {
 193     $frontpagelayout = $CFG->frontpage;
 194 }
 195
 196 foreach (explode(',', $frontpagelayout) as $v) {
 197     switch ($v) {
 198         // Display the main part of the front page.
 199         case FRONTPAGENEWS:
 200             if ($SITE->newsitems) {
 201                 // Print forums only when needed.
 202                 require_once($CFG->dirroot .'/mod/forum/lib.php');
 203
 204                 if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
 205                     print_error('cannotfindorcreateforum', 'forum');
 206                 }
 207
 208                 // Fetch news forum context for proper filtering to happen.
 209                 $newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
 210                 $newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
 211
 212                 $forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
 213                 echo html_writer::link('#skipsitenews',
 214                     get_string('skipa', 'access', core_text::strtolower(strip_tags($forumname))),
 215                     array('class' => 'skip-block skip'));
 216
 217                 // Wraps site news forum in div container.
 218                 echo html_writer::start_tag('div', array('id' => 'site-news-forum'));
 219
 220                 if (isloggedin()) {
 221                     $SESSION->fromdiscussion = $CFG->wwwroot;
 222                     $subtext = '';
 223                     if (\mod_forum\subscriptions::is_subscribed($USER->id, $newsforum)) {
 224                         if (!\mod_forum\subscriptions::is_forcesubscribed($newsforum)) {
 225                             $subtext = get_string('unsubscribe', 'forum');
 226                         }
 227                     } else {
 228                         $subtext = get_string('subscribe', 'forum');
 229                     }
 230                     echo $OUTPUT->heading($forumname);
 231                     $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
 232                     echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
 233                 } else {
 234                     echo $OUTPUT->heading($forumname);
 235                 }
 236
 237                 forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
 238
 239                 // End site news forum div container.
 240                 echo html_writer::end_tag('div');
 241
 242                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipsitenews'));
 243             }
 244         break;
 245
 246         case FRONTPAGEENROLLEDCOURSELIST:
 247             $mycourseshtml = $courserenderer->frontpage_my_courses();
 248             if (!empty($mycourseshtml)) {
 249                 echo html_writer::link('#skipmycourses',
 250                     get_string('skipa', 'access', core_text::strtolower(get_string('mycourses'))),
 251                     array('class' => 'skip skip-block'));
 252
 253                 // Wrap frontpage course list in div container.
 254                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
 255
 256                 echo $OUTPUT->heading(get_string('mycourses'));
 257                 echo $mycourseshtml;
 258
 259                 // End frontpage course list div container.
 260                 echo html_writer::end_tag('div');
 261
 262                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipmycourses'));
 263                 break;
 264             }
 265             // No "break" here. If there are no enrolled courses - continue to 'Available courses'.
 266
 267         case FRONTPAGEALLCOURSELIST:
 268             $availablecourseshtml = $courserenderer->frontpage_available_courses();
 269             if (!empty($availablecourseshtml)) {
 270                 echo html_writer::link('#skipavailablecourses',
 271                     get_string('skipa', 'access', core_text::strtolower(get_string('availablecourses'))),
 272                     array('class' => 'skip skip-block'));
 273
 274                 // Wrap frontpage course list in div container.
 275                 echo html_writer::start_tag('div', array('id' => 'frontpage-course-list'));
 276
 277                 echo $OUTPUT->heading(get_string('availablecourses'));
 278                 echo $availablecourseshtml;
 279
 280                 // End frontpage course list div container.
 281                 echo html_writer::end_tag('div');
 282
 283                 echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipavailablecourses'));
 284             }
 285         break;
 286
 287         case FRONTPAGECATEGORYNAMES:
 288             echo html_writer::link('#skipcategories',
 289                 get_string('skipa', 'access', core_text::strtolower(get_string('categories'))),
 290                 array('class' => 'skip skip-block'));
 291
 292             // Wrap frontpage category names in div container.
 293             echo html_writer::start_tag('div', array('id' => 'frontpage-category-names'));
 294
 295             echo $OUTPUT->heading(get_string('categories'));
 296             echo $courserenderer->frontpage_categories_list();
 297
 298             // End frontpage category names div container.
 299             echo html_writer::end_tag('div');
 300
 301             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcategories'));
 302         break;
 303
 304         case FRONTPAGECATEGORYCOMBO:
 305             echo html_writer::link('#skipcourses',
 306                 get_string('skipa', 'access', core_text::strtolower(get_string('courses'))),
 307                 array('class' => 'skip skip-block'));
 308
 309             // Wrap frontpage category combo in div container.
 310             echo html_writer::start_tag('div', array('id' => 'frontpage-category-combo'));
 311
 312             echo $OUTPUT->heading(get_string('courses'));
 313             echo $courserenderer->frontpage_combo_list();
 314
 315             // End frontpage category combo div container.
 316             echo html_writer::end_tag('div');
 317
 318             echo html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => 'skipcourses'));
 319         break;
 320
 321         case FRONTPAGECOURSESEARCH:
 322             echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
 323         break;
 324
 325     }
 326     echo '<br />';
 327 }
 328 if ($editing && has_capability('moodle/course:create', context_system::instance())) {
 329     echo $courserenderer->add_new_course_button();
 330 }
 331 echo $OUTPUT->footer();