/**
* Get current user
* @param string $default // default user
* @return mixed // instance of model User, default username, or false, if user isn't in database
*/
public function getUser($default = null)
{
if ($this->_user instanceof User) {
return $this->_user;
}
$username = parent::getUser();
if (!$username) {
return $default;
}
return $this->_getUser($username);
}