public static function getSubscriberId()
{
$app = \Cobalt\Container::fetch('app');
$person_id = $app->input->get('person_id') ? $app->input->get('person_id') : $app->input->get('id');
$personModel = new PeopleModel();
$email = $personModel->getEmail($person_id);
$db = \Cobalt\Container::fetch('db');
$query = $db->getQuery(true);
$query->select("subid")->from("#__acymailing_subscriber")->where("email='" . $email . "'");
$db->setQuery($query);
$id = $db->loadResult();
return $id;
}