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<?php
/**
* @package Joomla.Platform
* @subpackage HTML
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Utility class working with users
*
* @package Joomla.Platform
* @subpackage HTML
* @since 11.4
*/
abstract class JHtmlUser
{
/**
* Displays a list of user groups.
*
* @param boolean true to include super admin groups, false to exclude them
*
* @return array An array containing a list of user groups.
*
* @since 11.4
*/
public static function groups($includeSuperAdmin = false)
{
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('a.id AS value, a.title AS text, COUNT(DISTINCT b.id) AS level');
$query->from($db->quoteName('#__usergroups') . ' AS a');
$query->join('LEFT', $db->quoteName('#__usergroups') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt');
$query->group('a.id, a.title, a.lft, a.rgt');
$query->order('a.lft ASC');
$db->setQuery($query);
$options = $db->loadObjectList();
// Check for a database error.
if ($db->getErrorNum())
{
JError::raiseNotice(500, $db->getErrorMsg());
return null;
}
for ($i = 0, $n = count($options); $i < $n; $i++)
{
$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->text;
$groups[] = JHtml::_('select.option', $options[$i]->value, $options[$i]->text);
}
// Exclude super admin groups if requested
if (!$includeSuperAdmin)
{
$filteredGroups = array();
foreach ($groups as $group)
{
if (!JAccess::checkGroup($group->value, 'core.admin'))
{
$filteredGroups[] = $group;
}
}
$groups = $filteredGroups;
}
return $groups;
}
/**
* Get a list of users.
*
* @return string
*
* @since 11.4
*/
public static function userlist()
{
// Get the database object and a new query object.
$db = JFactory::getDBO();
$query = $db->getQuery(true);
// Build the query.
$query->select('a.id AS value, a.name AS text');
$query->from('#__users AS a');
$query->where('a.block = 0');
$query->order('a.name');
// Set the query and load the options.
$db->setQuery($query);
$items = $db->loadObjectList();
// Detect errors
if ($db->getErrorNum())
{
JError::raiseWarning(500, $db->getErrorMsg());
}
return $items;
}
}