Status ConvertAllocateQuotaResponse()

in src/api_proxy/service_control/check_response_convert_utils.cc [152:201]
33 lines of code
8 McCabe index (conditional complexity)

Status ConvertAllocateQuotaResponse(
    const ::google::api::servicecontrol::v1::AllocateQuotaResponse& response,
    const std::string&, QuotaResponseInfo* quota_response_info) {
  // response.operation_id()
  if (response.allocate_errors().empty()) {
    return OkStatus();
  }

  const ::google::api::servicecontrol::v1::QuotaError& error =
      response.allocate_errors().Get(0);

  quota_response_info->error = {QuotaError_Code_Name(error.code()),
                                /*is_network_error=*/false,
                                ScResponseErrorType::ERROR_TYPE_UNSPECIFIED};

  ScResponseError& quota_error = quota_response_info->error;
  switch (error.code()) {
    case ::google::api::servicecontrol::v1::QuotaError::UNSPECIFIED:
      // This is never used.
      break;

    case ::google::api::servicecontrol::v1::QuotaError::RESOURCE_EXHAUSTED:
      // Quota allocation failed.
      // Same as [google.rpc.Code.RESOURCE_EXHAUSTED][].
      quota_error.type = ScResponseErrorType::CONSUMER_QUOTA;
      return Status(StatusCode::kResourceExhausted, error.description());

    case ::google::api::servicecontrol::v1::QuotaError::BILLING_NOT_ACTIVE:
      // Consumer cannot access the service because billing is disabled.
      quota_error.type = ScResponseErrorType::CONSUMER_ERROR;
      return Status(StatusCode::kPermissionDenied, error.description());

    case ::google::api::servicecontrol::v1::QuotaError::PROJECT_DELETED:
      // Consumer's project has been marked as deleted (soft deletion).
      quota_error.type = ScResponseErrorType::CONSUMER_ERROR;
      return Status(StatusCode::kInvalidArgument, error.description());

    case ::google::api::servicecontrol::v1::QuotaError::API_KEY_INVALID:
      // Specified API key is invalid.
    case ::google::api::servicecontrol::v1::QuotaError::API_KEY_EXPIRED:
      // Specified API Key has expired.
      quota_error.type = ScResponseErrorType::API_KEY_INVALID;
      return Status(StatusCode::kInvalidArgument, error.description());

    default:
      return Status(StatusCode::kInternal, error.description());
  }

  return OkStatus();
}