public function save(System_Models_User $user)
{
$data = array(
'id' => $user->getId(),
'username' => $user->getUserName() ,
'password' => $user->getPassword(),
'salt' => $user->getSalt(),
'groupId' => $user->getGroupId(),
'contactId' => $user->getContactId(),
'creatorId' =>$user->getCreatorId(),
'cTime' => $user->getCTime()
);
if (null === ($id = $user->getId())) {
unset($data['id']);
$this->getDbTable()->insert($data);
} else {
$this->getDbTable()->update($data, array('id = ?' => $user->getId()));
}
}