Method HandleGET_mxnWindows

Modules/RESTAPI/src/mitkRenderingController.cpp:1637–1674

}

void RenderingController::HandleGET_mxnWindows(const httplib::Request& req, httplib::Response& res) const
{
  if (m_RenderWindowBridge == nullptr || !m_RenderWindowBridge->HasMxNWindowListProvider())
  {
    const auto error = ErrorResponse::RenderWindowNotAvailable(req.path);
    this->SendErrorResponse(res, 503, error);
    return;
  }

  std::vector<MxNWindowInfo> windows;
  try
  {
    windows = m_RenderWindowBridge->ListMxNWindows();
  }
  catch (const mitk::Exception& e)
  {
    // mitk::Exception from the bridge layer signals a binding-contract
    // violation surfaced via mitkThrow (e.g. an unparseable v2
    // view_direction, or a 2D MxN cell with no plane set when
    // MxNWindowInfoToWindowsListJson materialises the response). Map to
    // 422 RENDERING_ERROR -- the request shape was valid; the rendering
    // backend reports an unrecoverable state. The generic
    // MapBridgeException below would otherwise emit 500 INTERNAL_ERROR,
    // which is the wrong status class for a downstream contract failure.
    const auto error = ErrorResponse::RenderingError(e.what(), req.path);
    this->SendErrorResponse(res, 422, error);
    return;
  }
  catch (const std::exception& e)
  {
    const auto [status, payload] = MapBridgeException(e, req.path);
    this->SendErrorResponse(res, status, payload);
    return;
  }

  res.status = 200;
  res.set_content(MxNWindowInfoToWindowsListJson(windows).dump(), "application/json");
}

void RenderingController::HandleGET_mxnWindow(const httplib::Request& req, httplib::Response& res) const
{