public static function getHasRoomCriteria($roomId, $c = null)
{
if (is_null($c)) {
$c = new Criteria();
}
if (!is_null($roomId)) {
$zones = ZonePeer::doSelectHasRoom($roomId, false);
$zones_ids = array();
foreach ($zones as $zone) {
$zones_ids[] = $zone->getId();
}
$c->add(SubscriptionPeer::ZONE_ID, $zones_ids, Criteria::IN);
}
return $c;
}