Method HandlePUT_mxnSelectedPosition

Modules/RESTAPI/src/mitkRenderingController.cpp:2132–2195

}

void RenderingController::HandlePUT_mxnSelectedPosition(const httplib::Request& req, httplib::Response& res) const
{
  const auto id = ReadRequiredPathParam(req, "id");

  if (!IsValidMxNWindowId(id))
  {
    const auto error = ErrorResponse::InvalidRequest(
      "Malformed MxN window id '" + id + "'. Expected pattern: <prefix>__<bare> with URL-segment-safe characters.",
      req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  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;
  }

  Point3D newPos;
  if (const auto err = ParsePositionFromBody(body, newPos))
  {
    const auto error = ErrorResponse::InvalidRequest(*err, req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (m_RenderWindowBridge == nullptr || !m_RenderWindowBridge->HasMxNSelectedPositionSetter())
  {
    const auto error = ErrorResponse::RenderWindowNotAvailable(req.path);
    this->SendErrorResponse(res, 503, error);
    return;
  }

  try
  {
    m_RenderWindowBridge->SetMxNSelectedPosition(id, newPos);
    res.status = 204;
  }
  catch (const mitk::Exception& e)
  {
    const auto error = ErrorResponse::RenderingError(
      std::string("Position update failed: ") + e.what(), req.path);
    this->SendErrorResponse(res, 422, error);
  }