public function executeGenerateUnused()
{
$criteria = new Criteria();
// get SESSION macs
$session_macs = $this->getUser()->getAttribute('macs_in_wizard', array());
$criteria->add(EtvaMacPeer::ID, $session_macs, Criteria::NOT_IN);
$criteria->add(EtvaMacPeer::IN_USE, 0);
$etva_mac = EtvaMacPeer::doSelectOne($criteria);
if (!$etva_mac) {
return false;
}
$mac = $etva_mac->getId();
// add the current mac at the beginning of the array
array_unshift($session_macs, $mac);
// store the new mac back into the session
$this->getUser()->setAttribute('macs_in_wizard', $session_macs);
return $etva_mac->toArray();
}
