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<?php
/**
* @package Joomla.Site
* @subpackage mod_whosonline
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Helper for mod_whosonline
*
* @since 1.5
*/
class ModWhosonlineHelper
{
/**
* Show online count
*
* @return array The number of Users and Guests online.
*
* @since 1.5
**/
public static function getOnlineCount()
{
$db = JFactory::getDbo();
// Calculate number of guests and users
$result = array();
$user_array = 0;
$guest_array = 0;
$query = $db->getQuery(true)
->select('guest, client_id')
->from('#__session')
->where('client_id = 0');
$db->setQuery($query);
try
{
$sessions = (array) $db->loadObjectList();
}
catch (RuntimeException $e)
{
// Don't worry be happy
$sessions = array();
}
if (count($sessions))
{
foreach ($sessions as $session)
{
// If guest increase guest count by 1
if ($session->guest == 1)
{
$guest_array ++;
}
// If member increase member count by 1
if ($session->guest == 0)
{
$user_array ++;
}
}
}
$result['user'] = $user_array;
$result['guest'] = $guest_array;
return $result;
}
/**
* Show online member names
*
* @param mixed $params The parameters
*
* @return array (array) $db->loadObjectList() The names of the online users.
*
* @since 1.5
**/
public static function getOnlineUserNames($params)
{
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select($db->quoteName(array('a.username', 'a.userid', 'a.client_id')))
->from('#__session AS a')
->where($db->quoteName('a.userid') . ' != 0')
->where($db->quoteName('a.client_id') . ' = 0')
->group($db->quoteName(array('a.username', 'a.userid', 'a.client_id')));
$user = JFactory::getUser();
if (!$user->authorise('core.admin') && $params->get('filter_groups', 0) == 1)
{
$groups = $user->getAuthorisedGroups();
if (empty($groups))
{
return array();
}
$query->join('LEFT', '#__user_usergroup_map AS m ON m.user_id = a.userid')
->join('LEFT', '#__usergroups AS ug ON ug.id = m.group_id')
->where('ug.id in (' . implode(',', $groups) . ')')
->where('ug.id <> 1');
}
$db->setQuery($query);
try
{
return (array) $db->loadObjectList();
}
catch (RuntimeException $e)
{
return array();
}
}
}