Method HandlePUT_selectedTime

Modules/RESTAPI/src/mitkRenderingController.cpp:476–656

}

void RenderingController::HandlePUT_selectedTime(const httplib::Request& req, httplib::Response& res) const
{
  if (req.body.empty())
  {
    const auto error = ErrorResponse::InvalidRequest("Request body is required.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  nlohmann::json body;
  try
  {
    body = nlohmann::json::parse(req.body);
  }
  catch (const nlohmann::json::exception&)
  {
    const auto error = ErrorResponse::InvalidRequest("Invalid JSON body.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  const bool hasTimepointMs = body.contains("timepoint_ms");
  const bool hasTimestep = body.contains("timestep");

  if (hasTimepointMs && hasTimestep)
  {
    const auto error = ErrorResponse::InvalidRequest(
      "Provide exactly one of 'timepoint_ms' or 'timestep', not both.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (!hasTimepointMs && !hasTimestep)
  {
    const auto error = ErrorResponse::InvalidRequest(
      "Either 'timepoint_ms' (number) or 'timestep' (integer) is required.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (hasTimepointMs && !body["timepoint_ms"].is_number())
  {
    const auto error = ErrorResponse::InvalidRequest(
      "'timepoint_ms' must be a number.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (hasTimestep && !body["timestep"].is_number_integer())
  {
    const auto error = ErrorResponse::InvalidRequest(
      "'timestep' must be an integer.", req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (hasTimestep && body["timestep"].get<int>() < 0)
  {