public async Task <ResponseParam> GetCardDetailsWithBIN(int cardIIN) { var requestId = Helper.GenerateUniqueId(); try { var response = _responseHandler.InitializeResponse(requestId); _logger.LogInfo($"[BinListService][GetCardDetailsWithBIN][Req] => IIN: {cardIIN} | [requestId]=> {requestId}"); GetCardDetailsDTO cardDetailDTO = null; var updatedRowCount = 0; //Validate IIN if (!IsValidIIN(cardIIN.ToString())) { response = _responseHandler .CommitResponse(requestId, ResponseCodes.INVALID_PARAM, "Please supply first 6 or 8 digits of your credit or debit card PAN", null); } else { //Do request to 3rd party API to fetch card details var binListUrl = $"{_baseUrls.BinListAPI}/{cardIIN}"; var apiResp = await _httpClient.Get(binListUrl, requestId, cardIIN.ToString()); if (apiResp.StatusCode != 200) { if (apiResp.StatusCode == 404) { response = _responseHandler.CommitResponse(requestId, ResponseCodes.NOT_FOUND, "Sorry, we could not find any detail for this card."); } else { response = _responseHandler.CommitResponse(requestId, ResponseCodes.RESOURCE_UNAVAILABLE, "Sorry, service is tempoarily unavailable. Kindly check back later"); } } else { cardDetailDTO = JsonConvert.DeserializeObject <GetCardDetailsDTO>(apiResp?.Content); if (cardDetailDTO == null) { response = _responseHandler .CommitResponse(requestId, ResponseCodes.UNSUCCESSFUL, "Sorry, we could not retrieve card details at the moment. Kindly check back later"); } else { response = _responseHandler .CommitResponse(requestId, ResponseCodes.SUCCESS, "Success!, card details retrieved", cardDetailDTO); //Publish message (card details) to exchange var cardInfo = new QueuePayload() { CardIIN = cardIIN.ToString(), Scheme = cardDetailDTO?.Scheme, BankName = cardDetailDTO?.Bank?.Name }; var queueMessage = JsonConvert.SerializeObject(cardInfo); await _eventPublisher.PublishPayload(queueMessage, BrokerEvents.NotifyClient); } //Update database with inquiry count updatedRowCount = await _inquiryCountSvc.LogHitCountToDb(requestId, cardIIN.ToString(), cardDetailDTO); } } _logger.LogInfo($"[BinListService][GetCardDetailsWithBIN][Req] => {JsonConvert.SerializeObject(response)} | [rowsUpdated]=> {updatedRowCount} | [requestId]=> {requestId}"); return(response); } catch (Exception ex) { _logger.LogError($"[BinListService][GetCardDetailsWithBIN][Err] => {ex.Message} | {JsonConvert.SerializeObject(ex.InnerException)} | [requestId]=> {requestId}"); return(_responseHandler.HandleException(requestId)); } }