public List<BidHistoryResponse> getBidHistory(int lotId, int isTender) {
   List<BidHistoryResponse> bidHistoryList = null;
   try {
     LotsDAO lotsDAO = new LotsDAO();
     bidHistoryList = lotsDAO.getBidHistoryList(lotId, isTender == 1);
   } catch (SQLException s) {
     s.printStackTrace();
   } catch (IOException s) {
     s.printStackTrace();
   }
   return bidHistoryList;
 }