Method HandlePOST_nodes_uid_generic

Modules/RESTAPI/src/mitkDataStorageController.cpp:1023–1192

}

void DataStorageController::HandlePOST_nodes_uid_generic(const httplib::Request& req, httplib::Response& res, const std::optional<std::string>& parentUID)
{
  // Determine transfer mode from Content-Type
  const std::string contentType = req.has_header(HEADER_CONTENT_TYPE)
    ? req.get_header_value(HEADER_CONTENT_TYPE)
    : "";

  const bool isJsonMode = (contentType.find(MIME_APPLICATION_JSON) != std::string::npos);
  const bool isDirectTransfer = (contentType.find(MIME_APPLICATION_OCTET_STREAM) != std::string::npos);

  nlohmann::json nodeData;
  bool hasDataTransfer = false;
  std::string dataFilePath;
  bool deleteTempFile = false;

  if (isJsonMode)
  {
    // JSON body mode
    try
    {
      if (!req.body.empty())
      {
        nodeData = nlohmann::json::parse(req.body);
      }
    }
    catch (const nlohmann::json::parse_error& e)
    {
      this->SendErrorResponse(res, 400, ErrorResponse::InvalidRequest(
        "Invalid JSON: " + std::string(e.what()), req.path));
      return;
    }

    // Validate transfer mode if specified
    if (nodeData.contains(JSON_KEY_TRANSFER) && nodeData[JSON_KEY_TRANSFER].contains(JSON_KEY_MODE))
    {
      const std::string specifiedMode = nodeData[JSON_KEY_TRANSFER][JSON_KEY_MODE].get<std::string>();
      if (specifiedMode != TRANSFER_MODE_DIRECT && specifiedMode != TRANSFER_MODE_FILE_REFERENCE)
      {
        this->SendErrorResponse(res, 406, ErrorResponse::TransferModeNotAvailable(
          specifiedMode, {TRANSFER_MODE_FILE_REFERENCE, TRANSFER_MODE_DIRECT}, req.path));
        return;
      }
    }

    // Check if there's a transfer section
    if (nodeData.contains(JSON_KEY_TRANSFER) && nodeData[JSON_KEY_TRANSFER].contains(JSON_KEY_FILE_PATH))
    {
      hasDataTransfer = true;
    }
  }
  else if (isDirectTransfer)
  {
    // Binary body mode: name from query parameter
    if (req.has_param(JSON_KEY_NAME))
    {
      nodeData[JSON_KEY_NAME] = req.get_param_value(JSON_KEY_NAME);
    }
    hasDataTransfer = true;