private function addApproval(ClientData $clientData, $userId, $scope)
{
$approval = $this->storage->getApprovalByResourceOwnerId($clientData->getId(), $userId);
if (false === $approval) {
// no approval exists, generate a refresh_token and add it
$refreshToken = 'code' === $clientData->getType() ? $this->io->getRandomHex() : null;
$this->storage->addApproval($clientData->getId(), $userId, $scope, $refreshToken);
} else {
// an approval exists, we don't care about the scope, we just
// update it if needed keeping the same refresh_token
$this->storage->updateApproval($clientData->getId(), $userId, $scope);
}
}
