forked from moodle/moodle
/
index.php
303 lines (247 loc) · 14.4 KB
/
index.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Moodle frontpage.
*
* @package core
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (!file_exists('./config.php')) {
header('Location: install.php');
die;
}
require_once('config.php');
require_once($CFG->dirroot .'/course/lib.php');
require_once($CFG->libdir .'/filelib.php');
redirect_if_major_upgrade_required();
$urlparams = array();
if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 0) {
$urlparams['redirect'] = 0;
}
$PAGE->set_url('/', $urlparams);
$PAGE->set_course($SITE);
// Prevent caching of this page to stop confusion when changing page after making AJAX changes
$PAGE->set_cacheable(false);
if ($CFG->forcelogin) {
require_login();
} else {
user_accesstime_log();
}
$hassiteconfig = has_capability('moodle/site:config', context_system::instance());
/// If the site is currently under maintenance, then print a message
if (!empty($CFG->maintenance_enabled) and !$hassiteconfig) {
print_maintenance_message();
}
if ($hassiteconfig && moodle_needs_upgrading()) {
redirect($CFG->wwwroot .'/'. $CFG->admin .'/index.php');
}
if (get_home_page() != HOMEPAGE_SITE) {
// Redirect logged-in users to My Moodle overview if required
if (optional_param('setdefaulthome', false, PARAM_BOOL)) {
set_user_preference('user_home_page_preference', HOMEPAGE_SITE);
} else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_MY) && optional_param('redirect', 1, PARAM_BOOL) === 1) {
redirect($CFG->wwwroot .'/my/');
} else if (!empty($CFG->defaulthomepage) && ($CFG->defaulthomepage == HOMEPAGE_USER)) {
$PAGE->settingsnav->get('usercurrentsettings')->add(get_string('makethismyhome'), new moodle_url('/', array('setdefaulthome'=>true)), navigation_node::TYPE_SETTING);
}
}
if (isloggedin()) {
add_to_log(SITEID, 'course', 'view', 'view.php?id='.SITEID, SITEID);
}
/// If the hub plugin is installed then we let it take over the homepage here
if (file_exists($CFG->dirroot.'/local/hub/lib.php') and get_config('local_hub', 'hubenabled')) {
require_once($CFG->dirroot.'/local/hub/lib.php');
$hub = new local_hub();
$continue = $hub->display_homepage();
//display_homepage() return true if the hub home page is not displayed
//mostly when search form is not displayed for not logged users
if (empty($continue)) {
exit;
}
}
$PAGE->set_pagetype('site-index');
$PAGE->set_other_editing_capability('moodle/course:manageactivities');
$PAGE->set_docs_path('');
$PAGE->set_pagelayout('frontpage');
$editing = $PAGE->user_is_editing();
$PAGE->set_title($SITE->fullname);
$PAGE->set_heading($SITE->fullname);
$courserenderer = $PAGE->get_renderer('core', 'course');
echo $OUTPUT->header();
/// Print Section or custom info
$siteformatoptions = course_get_format($SITE)->get_format_options();
$modinfo = get_fast_modinfo($SITE);
$modnames = get_module_types_names();
$modnamesplural = get_module_types_names(true);
$modnamesused = $modinfo->get_used_module_names();
$mods = $modinfo->get_cms();
if (!empty($CFG->customfrontpageinclude)) {
include($CFG->customfrontpageinclude);
} else if ($siteformatoptions['numsections'] > 0) {
if ($editing) {
// make sure section with number 1 exists
course_create_sections_if_missing($SITE, 1);
// re-request modinfo in case section was created
$modinfo = get_fast_modinfo($SITE);
}
$section = $modinfo->get_section_info(1);
if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) {
echo $OUTPUT->box_start('generalbox sitetopic');
/// If currently moving a file then show the current clipboard
if (ismoving($SITE->id)) {
$stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname));
echo '<p><font size="2">';
echo "$stractivityclipboard (<a href=\"course/mod.php?cancelcopy=true&sesskey=".sesskey()."\">". get_string('cancel') .'</a>)';
echo '</font></p>';
}
$context = context_course::instance(SITEID);
$summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course', 'section', $section->id);
$summaryformatoptions = new stdClass();
$summaryformatoptions->noclean = true;
$summaryformatoptions->overflowdiv = true;
echo format_text($summarytext, $section->summaryformat, $summaryformatoptions);
if ($editing) {
$streditsummary = get_string('editsummary');
echo "<a title=\"$streditsummary\" ".
" href=\"course/editsection.php?id=$section->id\"><img src=\"" . $OUTPUT->pix_url('t/edit') . "\" ".
" class=\"iconsmall\" alt=\"$streditsummary\" /></a><br /><br />";
}
$courserenderer = $PAGE->get_renderer('core', 'course');
echo $courserenderer->course_section_cm_list($SITE, $section);
echo $courserenderer->course_section_add_cm_control($SITE, $section->section);
echo $OUTPUT->box_end();
}
}
// Include course AJAX
include_course_ajax($SITE, $modnamesused);
if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) {
$frontpagelayout = $CFG->frontpageloggedin;
} else {
$frontpagelayout = $CFG->frontpage;
}
foreach (explode(',',$frontpagelayout) as $v) {
switch ($v) { /// Display the main part of the front page.
case FRONTPAGENEWS:
if ($SITE->newsitems) { // Print forums only when needed
require_once($CFG->dirroot .'/mod/forum/lib.php');
if (! $newsforum = forum_get_course_forum($SITE->id, 'news')) {
print_error('cannotfindorcreateforum', 'forum');
}
// fetch news forum context for proper filtering to happen
$newsforumcm = get_coursemodule_from_instance('forum', $newsforum->id, $SITE->id, false, MUST_EXIST);
$newsforumcontext = context_module::instance($newsforumcm->id, MUST_EXIST);
$forumname = format_string($newsforum->name, true, array('context' => $newsforumcontext));
echo html_writer::tag('a', get_string('skipa', 'access', textlib::strtolower(strip_tags($forumname))), array('href'=>'#skipsitenews', 'class'=>'skip-block'));
// wraps site news forum in div container.
echo html_writer::start_tag('div', array('id'=>'site-news-forum'));
if (isloggedin()) {
$SESSION->fromdiscussion = $CFG->wwwroot;
$subtext = '';
if (forum_is_subscribed($USER->id, $newsforum)) {
if (!forum_is_forcesubscribed($newsforum)) {
$subtext = get_string('unsubscribe', 'forum');
}
} else {
$subtext = get_string('subscribe', 'forum');
}
echo $OUTPUT->heading($forumname, 2, 'headingblock header');
$suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $newsforum->id, 'sesskey' => sesskey()));
echo html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink'));
} else {
echo $OUTPUT->heading($forumname, 2, 'headingblock header');
}
forum_print_latest_discussions($SITE, $newsforum, $SITE->newsitems, 'plain', 'p.modified DESC');
//end site news forum div container
echo html_writer::end_tag('div');
echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipsitenews'));
}
break;
case FRONTPAGECOURSELIST:
$ncourses = $DB->count_records('course');
if (isloggedin() and !$hassiteconfig and !isguestuser() and empty($CFG->disablemycourses)) {
$mycourseshtml = $courserenderer->frontpage_my_courses();
if (empty($mycourseshtml)) {
if ($DB->count_records("course_categories") > 1) {
$mycourseshtml = $courserenderer->frontpage_categories_list();
} else {
$mycourseshtml = $courserenderer->frontpage_available_courses();
}
}
echo html_writer::tag('a', get_string('skipa', 'access', textlib::strtolower(get_string('mycourses'))), array('href'=>'#skipmycourses', 'class'=>'skip-block'));
//wrap frontpage course list in div container
echo html_writer::start_tag('div', array('id'=>'frontpage-course-list'));
echo $OUTPUT->heading(get_string('mycourses'), 2, 'headingblock header');
echo $mycourseshtml;
echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
//end frontpage course list div container
echo html_writer::end_tag('div');
echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipmycourses'));
} else if ((!$hassiteconfig and !isguestuser()) or ($ncourses <= FRONTPAGECOURSELIMIT)) {
// admin should not see list of courses when there are too many of them
echo html_writer::tag('a', get_string('skipa', 'access', textlib::strtolower(get_string('availablecourses'))), array('href'=>'#skipavailablecourses', 'class'=>'skip-block'));
//wrap frontpage course list in div container
echo html_writer::start_tag('div', array('id'=>'frontpage-course-list'));
echo $OUTPUT->heading(get_string('availablecourses'), 2, 'headingblock header');
echo $courserenderer->frontpage_available_courses();
//end frontpage course list div container
echo html_writer::end_tag('div');
echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipavailablecourses'));
} else {
echo html_writer::tag('div', get_string('therearecourses', '', $ncourses), array('class' => 'notifyproblem'));
echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
}
break;
case FRONTPAGECATEGORYNAMES:
echo html_writer::tag('a', get_string('skipa', 'access', textlib::strtolower(get_string('categories'))), array('href'=>'#skipcategories', 'class'=>'skip-block'));
//wrap frontpage category names in div container
echo html_writer::start_tag('div', array('id'=>'frontpage-category-names'));
echo $OUTPUT->heading(get_string('categories'), 2, 'headingblock header');
echo $courserenderer->frontpage_categories_list();
echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
//end frontpage category names div container
echo html_writer::end_tag('div');
echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcategories'));
break;
case FRONTPAGECATEGORYCOMBO:
echo html_writer::tag('a', get_string('skipa', 'access', textlib::strtolower(get_string('courses'))), array('href'=>'#skipcourses', 'class'=>'skip-block'));
//wrap frontpage category combo in div container
echo html_writer::start_tag('div', array('id'=>'frontpage-category-combo'));
echo $OUTPUT->heading(get_string('courses'), 2, 'headingblock header');
// if there are too many courses, building course category tree could be slow,
// users should go to course index page to see the whole list.
$coursecount = $DB->count_records('course');
if (empty($CFG->numcoursesincombo)) {
// if $CFG->numcoursesincombo hasn't been set, use default value 500
$CFG->numcoursesincombo = 500;
}
if ($coursecount > $CFG->numcoursesincombo) {
$link = new moodle_url('/course/');
echo $OUTPUT->notification(get_string('maxnumcoursesincombo', 'moodle', array('link'=>$link->out(), 'maxnumofcourses'=>$CFG->numcoursesincombo, 'numberofcourses'=>$coursecount)));
} else {
echo $courserenderer->frontpage_combo_list();
}
echo $OUTPUT->box($courserenderer->course_search_form('', 'short'), 'mdl-align');
//end frontpage category combo div container
echo html_writer::end_tag('div');
echo html_writer::tag('span', '', array('class'=>'skip-block-to', 'id'=>'skipcourses'));
break;
case FRONTPAGETOPICONLY: // Do nothing!! :-)
break;
}
echo '<br />';
}
echo $OUTPUT->footer();