/**
* @param array $parents
* @param int $levels
* @param array $params
* @param bool $optimize
*
* @return array|KunenaForumCategory[]
*/
protected static function _getChildren(array $parents, $levels, array $params, $optimize)
{
$list = array();
foreach ($parents as $parent) {
if ($parent instanceof KunenaForumCategory) {
$parent = $parent->id;
}
if (!isset(self::$_tree[$parent])) {
continue;
}
$cats = self::$_tree[$parent];
if (!$optimize) {
switch ($params['ordering']) {
case 'catid':
if ($params['direction'] > 0) {
ksort($cats);
} else {
krsort($cats);
}
break;
case 'name':
if ($params['direction'] > 0) {
uksort($cats, array(__CLASS__, 'compareByNameAsc'));
} else {
uksort($cats, array(__CLASS__, 'compareByNameDesc'));
}
break;
case 'ordering':
default:
if ($params['direction'] < 0) {
$cats = array_reverse($cats, true);
}
}
}
foreach ($cats as $id => $children) {
if (!isset(self::$_instances[$id])) {
continue;
}
if ($id == $params['selected']) {
continue;
}
$instance = self::$_instances[$id];
$filtered = isset($params['published']) && $instance->published != $params['published'];
if (!$optimize) {
$filtered |= isset($params['filter_title']) && (Joomla\String\String::stristr($instance->name, (string) $params['filter_title']) === false && Joomla\String\String::stristr($instance->alias, (string) $params['filter_title']) === false);
$filtered |= isset($params['filter_type']);
$filtered |= isset($params['filter_access']) && ($instance->accesstype != 'joomla.level' || $instance->access != $params['filter_access']);
$filtered |= isset($params['filter_locked']) && $instance->locked != (int) $params['filter_locked'];
$filtered |= isset($params['filter_allow_polls']) && $instance->allow_polls != (int) $params['filter_allow_polls'];
$filtered |= isset($params['filter_review']) && $instance->review != (int) $params['filter_review'];
$filtered |= isset($params['filter_anonymous']) && $instance->allow_anonymous != (int) $params['filter_anonymous'];
}
if ($filtered && $params['action'] != 'admin') {
continue;
}
$clist = array();
if ($levels && !empty($children)) {
$clist = self::_getChildren(array($id), $levels - 1, $params, $optimize);
}
$allowed = $params['action'] == 'none' || $params['action'] == 'read' && !empty(self::$allowed[$id]) || $instance->authorise($params['action'], null, true);
if (empty($clist) && !$allowed) {
continue;
}
if (!empty($clist) || !$params['search'] || intval($params['search']) == $id || Joomla\String\String::stristr($instance->name, (string) $params['search'])) {
if (!$filtered && (empty($clist) || $params['parents'])) {
$list[$id] = $instance;
}
$list += $clist;
}
}
}
return $list;
}
