/**
* @param \Nette\Database\Table\ActiveRow
* @return \Nette\Security\Identity
*/
public function createIdentity(ActiveRow $user)
{
$data = $user->toArray();
unset($data['password']);
$role = strtolower($user->ref('users_groups', 'group_id')->g_title);
return new Identity($user->id, $role, $data);
}