public function updateProfile($user_id, $data_update)
{
return $result = UserFacade::updateProfile($user_id, $data_update);
}
/**
* Kiem tra thong tin dang nhap cua user
* @param $user: bao gom cac du lieu ma nguoi dng dang ki: email, last name, first name, password
* @return null: khong ton tai user.
* array: id va user name
**/
function authenticate($user)
{
return $result = UserFacade::checkLogin($user);
}