private function fetchCids()
{
if ($this->cids === null) {
$groupsrights = array();
foreach (self::$instances as $instance) {
foreach ($instance->gids as $gid) {
$groupsrights[] = array('group' => $gid, 'rights' => $instance->rights);
}
}
$castes = Caste::batchFrom($groupsrights);
foreach (self::$instances as $instance) {
$gids = $instance->gids;
$rights = $instance->rights;
$filtered = $castes->filter(function ($c) use($gids, $rights) {
return in_array($c->group()->id(), $gids) && $c->rights()->isMe($rights);
});
$instance->cids = $filtered->ids();
}
}
return $this->cids;
}
