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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/>.
/**
* file index.php
* index page to view blogs. if no blog is specified then site wide entries are shown
* if a blog id is specified then the latest entries from that blog are shown
*/
require_once(__DIR__ . '/../config.php');
require_once($CFG->dirroot .'/blog/lib.php');
require_once($CFG->dirroot .'/blog/locallib.php');
require_once($CFG->dirroot .'/course/lib.php');
require_once($CFG->dirroot .'/comment/lib.php');
$id = optional_param('id', null, PARAM_INT);
$start = optional_param('formstart', 0, PARAM_INT);
$tag = optional_param('tag', '', PARAM_NOTAGS);
$userid = optional_param('userid', null, PARAM_INT);
$tagid = optional_param('tagid', null, PARAM_INT);
$modid = optional_param('modid', null, PARAM_INT);
$entryid = optional_param('entryid', null, PARAM_INT);
$groupid = optional_param('groupid', null, PARAM_INT);
$courseid = optional_param('courseid', null, PARAM_INT);
$search = optional_param('search', null, PARAM_RAW);
comment::init();
$urlparams = compact('id', 'start', 'tag', 'userid', 'tagid', 'modid', 'entryid', 'groupid', 'courseid', 'search');
foreach ($urlparams as $var => $val) {
if (empty($val)) {
unset($urlparams[$var]);
}
}
$PAGE->set_url('/blog/index.php', $urlparams);
// Correct tagid if a text tag is provided as a param.
if (!empty($tag)) {
if ($tagrec = $DB->get_record('tag', array('name' => $tag))) {
$tagid = $tagrec->id;
} else {
unset($tagid);
}
}
// Set the userid to the entry author if we have the entry ID.
if ($entryid and !isset($userid)) {
$entry = new blog_entry($entryid);
$userid = $entry->userid;
}
if (isset($userid) && empty($courseid) && empty($modid)) {
$context = context_user::instance($userid);
} else if (!empty($courseid) && $courseid != SITEID) {
$context = context_course::instance($courseid);
} else {
$context = context_system::instance();
}
$PAGE->set_context($context);
if (isset($userid) && $USER->id == $userid) {
$blognode = $PAGE->navigation->find('siteblog', null);
if ($blognode) {
$blognode->make_inactive();
}
}
// Check basic permissions.
if ($CFG->bloglevel == BLOG_GLOBAL_LEVEL) {
// Everybody can see anything - no login required unless site is locked down using forcelogin.
if ($CFG->forcelogin) {
require_login();
}
} else if ($CFG->bloglevel == BLOG_SITE_LEVEL) {
// Users must log in and can not be guests.
require_login();
if (isguestuser()) {
// They must have entered the url manually.
print_error('noguest');
}
} else if ($CFG->bloglevel == BLOG_USER_LEVEL) {
// Users can see own blogs only! with the exception of people with special cap.
require_login();
} else {
// Weird!
print_error('blogdisable', 'blog');
}
if (empty($CFG->enableblogs)) {
print_error('blogdisable', 'blog');
}
list($courseid, $userid) = blog_validate_access($courseid, $modid, $groupid, $entryid, $userid);
$courseid = (empty($courseid)) ? SITEID : $courseid;
if ($courseid != SITEID) {
$course = get_course($courseid);
require_login($course);
}
if (!empty($userid)) {
$user = core_user::get_user($userid);
$PAGE->navigation->extend_for_user($user);
}
$blogheaders = blog_get_headers();
$rsscontext = null;
$filtertype = null;
$thingid = null;
$rsstitle = '';
if ($CFG->enablerssfeeds) {
list($thingid, $rsscontext, $filtertype) = blog_rss_get_params($blogheaders['filters']);
if (empty($rsscontext)) {
$rsscontext = context_system::instance();
}
$rsstitle = $blogheaders['heading'];
// Check we haven't started output by outputting an error message.
if ($PAGE->state == moodle_page::STATE_BEFORE_HEADER) {
blog_rss_add_http_header($rsscontext, $rsstitle, $filtertype, $thingid, $tagid);
}
}
$usernode = $PAGE->navigation->find('user'.$userid, null);
if ($usernode && $courseid != SITEID) {
$courseblogsnode = $PAGE->navigation->find('courseblogs', null);
if ($courseblogsnode) {
$courseblogsnode->remove();
}
$blogurl = new moodle_url($PAGE->url);
$blognode = $usernode->add(get_string('blogscourse', 'blog'), $blogurl);
$blognode->make_active();
}
if ($courseid != SITEID) {
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
if (!empty($user)) {
$headerinfo = array('heading' => fullname($user), 'user' => $user);
echo $OUTPUT->context_header($headerinfo, 2);
}
} else if (isset($userid)) {
$PAGE->set_heading(fullname($user));
echo $OUTPUT->header();
} else if ($courseid == SITEID) {
echo $OUTPUT->header();
}
echo $OUTPUT->heading($blogheaders['heading'], 2);
$bloglisting = new blog_listing($blogheaders['filters']);
$bloglisting->print_entries();
if ($CFG->enablerssfeeds) {
blog_rss_print_link($rsscontext, $filtertype, $thingid, $tagid, get_string('rssfeed', 'blog'));
}
echo $OUTPUT->footer();
$eventparams = array(
'other' => array('entryid' => $entryid, 'tagid' => $tagid, 'userid' => $userid, 'modid' => $modid, 'groupid' => $groupid,
'search' => $search, 'fromstart' => $start)
);
if (!empty($userid)) {
$eventparams['relateduserid'] = $userid;
}
$eventparams['other']['courseid'] = ($courseid === SITEID) ? 0 : $courseid;
$event = \core\event\blog_entries_viewed::create($eventparams);
$event->trigger();