How to return a file in the swagger ? about oatpp-swagger HOT 4 CLOSED

#include "oatpp/web/mime/multipart/PartList.hpp"
#include "oatpp/web/protocol/http/outgoing/MultipartBody.hpp"

...

  static std::shared_ptr<oatpp::web::mime::multipart::PartList>
  createMultipart(const std::unordered_map<oatpp::String, oatpp::String>& map) {

    auto multipart = oatpp::web::mime::multipart::PartList::createSharedWithRandomBoundary();

    for(auto& pair : map) {

      oatpp::web::mime::multipart::Headers partHeaders;
      auto part = std::make_shared<oatpp::web::mime::multipart::Part>(partHeaders);
      multipart->writeNextPartSimple(part);
      part->putHeader("Content-Disposition", "form-data; name=\"" + pair.first + "\"");
      part->setDataInfo(std::make_shared<oatpp::data::stream::BufferInputStream>(pair.second));

    }

    return multipart;

  }

  ENDPOINT_ASYNC("GET", "/multipart", GetMultipart) {

    ENDPOINT_ASYNC_INIT(GetMultipart)

    Action act() override {

      std::unordered_map<oatpp::String, oatpp::String> map;

      map["part1"] = "data1";
      map["part2"] = "part2";

      auto responseBody = std::make_shared<oatpp::web::protocol::http::outgoing::MultipartBody>(createMultipart(map));
      return _return(OutgoingResponse::createShared(Status::CODE_200, responseBody));

    }

  };

part->putHeader("content-disposition", "attachment; filename=\"" + key + "\"");
part->putHeader("content-type", "image/jpeg;"

map["part"] = m_bufferStream->toString();

oatpp::String imgBuffer = getImageBuffer();

auto response = createResponse(Status::CODE_200, imgBuffer);
response->putHeader("content-type", "image/jpeg");
return response;