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<?php
/**
* @package Joomla.Site
* @subpackage mod_whosonline
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// no direct access
defined('_JEXEC') or die;
class modWhosonlineHelper
{
// show online count
static function getOnlineCount() {
$db = JFactory::getDbo();
// calculate number of guests and users
$result = array();
$user_array = 0;
$guest_array = 0;
$query = $db->getQuery(true);
$query->select('guest, usertype, client_id');
$query->from('#__session');
$query->where('client_id = 0');
$db->setQuery($query);
$sessions = (array) $db->loadObjectList();
if (count($sessions)) {
foreach ($sessions as $session) {
// if guest increase guest count by 1
if ($session->guest == 1 && !$session->usertype) {
$guest_array ++;
}
// if member increase member count by 1
if ($session->guest == 0) {
$user_array ++;
}
}
}
$result['user'] = $user_array;
$result['guest'] = $guest_array;
return $result;
}
// show online member names
static function getOnlineUserNames($params) {
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('a.username, a.time, a.userid, a.usertype, a.client_id');
$query->from('#__session AS a');
$query->where('a.userid != 0');
$query->where('a.client_id = 0');
$query->group('a.userid');
$user = JFactory::getUser();
if (!$user->authorise('core.admin') && $params->get('filter_groups', 0) == 1)
{
$groups = $user->getAuthorisedGroups();
if (empty($groups))
{
return array();
}
$query->leftJoin('#__user_usergroup_map AS m ON m.user_id = a.userid');
$query->leftJoin('#__usergroups AS ug ON ug.id = m.group_id');
$query->where('ug.id in (' . implode(',', $groups) . ')');
$query->where('ug.id <> 1');
}
$db->setQuery($query);
return (array) $db->loadObjectList();
}
}