Method HandlePOST_update

Modules/RESTAPI/src/mitkRenderingController.cpp:110–170

}

void RenderingController::HandlePOST_update(const httplib::Request& req, httplib::Response& res) const
{
  auto type = RenderingManager::REQUEST_UPDATE_ALL;

  if (!req.body.empty())
  {
    try
    {
      const auto body = nlohmann::json::parse(req.body);
      if (body.contains("type"))
      {
        const auto typeStr = body["type"].get<std::string>();
        if (typeStr == "all")
        {
          type = RenderingManager::REQUEST_UPDATE_ALL;
        }
        else if (typeStr == "2d")
        {
          type = RenderingManager::REQUEST_UPDATE_2DWINDOWS;
        }
        else if (typeStr == "3d")
        {
          type = RenderingManager::REQUEST_UPDATE_3DWINDOWS;
        }
        else
        {
          const auto error = ErrorResponse::InvalidRequest(
            "Invalid type '" + typeStr + "'. Must be 'all', '2d', or '3d'.", req.path);
          this->SendErrorResponse(res, 400, error);
          return;
        }
      }
    }
    catch (const nlohmann::json::exception&)
    {
      const auto error = ErrorResponse::InvalidRequest("Invalid JSON body.", req.path);
      this->SendErrorResponse(res, 400, error);
      return;
    }
  }

  try
  {
    this->Dispatch([type]() {
      RenderingManager::GetInstance()->RequestUpdateAll(type);
    });
    res.status = 204;
  }
  catch (const mitk::Exception& e)
  {
    const auto error = ErrorResponse::RenderingError(
      std::string("Rendering operation failed: ") + e.what(), req.path);
    this->SendErrorResponse(res, 422, error);
  }
  catch (const std::exception& e)
  {
    const auto error = ErrorResponse::InternalError(
      std::string("Unexpected error during rendering: ") + e.what(), req.path);