317 lines
14 KiB
Java
317 lines
14 KiB
Java
package com.billpaymentservice.bbps.util;
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import java.security.SecureRandom;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Optional;
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import java.util.function.Function;
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import org.modelmapper.ModelMapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Component;
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import com.billpaymentservice.bbps.dto.AdditionalInfoBillDTO;
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import com.billpaymentservice.bbps.dto.AdditionalInfoDTO;
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import com.billpaymentservice.bbps.dto.CustomerParamDAO;
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import com.billpaymentservice.bbps.dto.CustomerParamDTO;
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import com.billpaymentservice.bbps.dto.ResponseModel;
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import com.billpaymentservice.bbps.entites.AdditionalInfoBill;
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import com.billpaymentservice.bbps.entites.BBPSMastersData;
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import com.billpaymentservice.bbps.exception.CustomException;
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import com.billpaymentservice.bbps.repository.BBPSMasterDataRepo;
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import com.billpaymentservice.bbps.repository.BillMasterRepository;
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import com.billpaymentservice.bbps.repository.BillerDataRepository;
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import com.billpaymentservice.bbps.repository.InboundTraceLogRepository;
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import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
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import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
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import com.billpaymentservice.bbps.dto.request.MerchantRequestModel;
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import com.billpaymentservice.bbps.dto.response.BillDataResponse;
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import com.billpaymentservice.bbps.entites.BBPSMerchantValidation;
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import com.billpaymentservice.bbps.entites.BillMaster;
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import com.billpaymentservice.bbps.entites.BillerDetails;
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import com.billpaymentservice.bbps.entites.BillerResponse;
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import com.billpaymentservice.bbps.entites.CustomerParamBill;
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import com.billpaymentservice.bbps.entites.InboundTraceLog;
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import com.billpaymentservice.bbps.entites.OutboundTraceLog;
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import com.billpaymentservice.bbps.entites.PaymentChannel;
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import com.billpaymentservice.bbps.entites.PaymentMode;
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import com.billpaymentservice.bbps.exception.CustomException;
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import com.billpaymentservice.bbps.repository.MerchantRepository;
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import com.billpaymentservice.bbps.repository.OutboundTraceLogRepository;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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@Component
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public class Helper {
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private static final Logger LOGGER = LoggerFactory.getLogger(Helper.class);
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private final InboundTraceLogRepository inboundTraceLogRepository;
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private final OutboundTraceLogRepository outboundTraceLogRepository;
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private static final String CHARACTERS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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private static final SecureRandom secureRandom = new SecureRandom();
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private final ObjectMapper objectMapper = new ObjectMapper();
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private final BBPSMasterDataRepo bbpsMasterDataRepo;
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private final BillerDataRepository billerDataRespository;
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private final BillMasterRepository billMasterRepository;
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// Constructor Injection
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public Helper(BBPSMasterDataRepo bbpsMasterDataRepo, InboundTraceLogRepository inboundTraceLogRepository,
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OutboundTraceLogRepository outboundTraceLogRepository,BillerDataRepository billerDataRepository,
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BillMasterRepository billMasterRepository) {
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this.bbpsMasterDataRepo = bbpsMasterDataRepo;
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this.inboundTraceLogRepository = inboundTraceLogRepository;
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this.outboundTraceLogRepository = outboundTraceLogRepository;
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this.billerDataRespository=billerDataRepository;
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this.billMasterRepository=billMasterRepository;
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}
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/**
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* Validates whether the merchant exists and is active.
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*
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* @param requestModel MerchantRequestModel containing merchant details
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* @return true if merchant exists and is active
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* @throws CustomException if merchant is invalid or inactive
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*
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*
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*
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*/
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public <T> void startPolling(T requestObject, // Request object (any type)
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Function<T, ResponseModel> apiCallFunction, // Function to call API
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int intervalSeconds, // gap between two polls
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int maxDurationSeconds // total polling time
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) {
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new Thread(() -> {
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try {
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int maxAttempts = maxDurationSeconds / intervalSeconds;
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for (int i = 0; i < maxAttempts; i++) {
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LOGGER.info("⏳ Polling attempt {}...", i + 1);
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ResponseModel response = apiCallFunction.apply(requestObject);
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LOGGER.info("📥 Poll response: {}", response);
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if ("SUCCESS".equalsIgnoreCase(response.getStatus())) {
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LOGGER.info("✅ Polling successful, stopping early.");
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break;
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}
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Thread.sleep(intervalSeconds * 1000L);
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}
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} catch (Exception e) {
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LOGGER.error("❌ Error in polling thread: {}", e.getMessage(), e);
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}
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}).start();
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}
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public void validateMerchant(String mid) {
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if (mid == null || mid == "") {
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LOGGER.warn("MerchantRequestModel or MID is null");
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throw new CustomException("Mid is required", "FAILED", BBPSConstant.BADREQUEST, null);
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}
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BBPSMastersData merchantValidation = bbpsMasterDataRepo.findByMid(mid);
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if (merchantValidation == null) {
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LOGGER.warn("Merchant not found for MID: {}", mid);
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throw new CustomException("Merchant not found by id", "FAILED", BBPSConstant.BADREQUEST, null);
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}
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if (merchantValidation.getApiKey() == null && merchantValidation.getSecreteKey() == null) {
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LOGGER.warn("Merchant BBPS service is not active MID: {}", mid);
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throw new CustomException("Merchant BBPS Service is not active by mid", "FAILED", BBPSConstant.BADREQUEST,
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null);
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}
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if (!Boolean.TRUE.equals(merchantValidation.getIsActive())) {
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LOGGER.warn("Merchant inactive for MID: {}", mid);
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throw new CustomException("Merchant is inactive", "FAILED", BBPSConstant.BADREQUEST, null);
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}
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LOGGER.info("Merchant is valid and active for MID: {}", mid);
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// Agar exception nahi throw hua, merchant valid hai
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}
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public static String generateTxnId(int n) {
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StringBuilder sb = new StringBuilder(n);
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for (int i = 0; i < n; i++) {
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int index = secureRandom.nextInt(CHARACTERS.length());
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sb.append(CHARACTERS.charAt(index));
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}
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return sb.toString(); // Prefix
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}
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public String convertObjectToJson(Object obj) {
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if (obj == null)
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return "null";
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try {
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return new com.fasterxml.jackson.databind.ObjectMapper().writeValueAsString(obj);
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} catch (com.fasterxml.jackson.core.JsonProcessingException e) {
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// log appropriately (use your existing logger)
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System.err.println("JSON conversion failed: " + e.getMessage());
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return "{}"; // or "N/A" depending on your needs
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}
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}
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/* ---------- Trace helper methods ---------- */
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public InboundTraceLog createInboundLog(String requestId, String txnId, String apiName, String mid,
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String httpMethod, String requestPayload) {
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if(inboundTraceLogRepository.findByRequestId(requestId) != null) {
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throw new CustomException("Duplicate Request ID: " + requestId);
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}
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InboundTraceLog inboundLog = new InboundTraceLog(requestId, txnId, apiName, mid == null ? "N/A" : mid,
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"BBPS_ORG", httpMethod, requestPayload == null ? "N/A" : requestPayload);
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inboundTraceLogRepository.save(inboundLog);
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return inboundLog;
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}
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public void updateInboundLogSuccess(InboundTraceLog inboundLog, String responsePayload, String responseCode) {
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if (inboundLog == null)
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return;
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inboundLog.setResponsePayload(responsePayload);
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inboundLog.setResponseCode(responseCode);
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inboundLog.setStatus("SUCCESS");
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inboundLog.setResponseTime(LocalDateTime.now());
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inboundTraceLogRepository.save(inboundLog);
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}
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public void updateInboundLogFailure(InboundTraceLog inboundLog, String responsePayload, String responseCode) {
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if (inboundLog == null)
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return;
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inboundLog.setResponsePayload(responsePayload);
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inboundLog.setResponseCode(responseCode);
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inboundLog.setStatus("FAILED");
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inboundLog.setResponseTime(LocalDateTime.now());
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inboundTraceLogRepository.save(inboundLog);
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}
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public OutboundTraceLog createOutboundLog(String txnId, String requestId, String apiName, String url,
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String httpMethod, String requestPayload) {
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OutboundTraceLog outboundLog = new OutboundTraceLog(txnId, requestId, apiName, url, httpMethod,
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requestPayload == null ? "N/A" : requestPayload);
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outboundTraceLogRepository.save(outboundLog);
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return outboundLog;
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}
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public void updateOutboundLogResponse(OutboundTraceLog outboundLog, String responsePayload) {
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if (outboundLog == null)
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return;
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outboundLog.setResponsePayload(responsePayload);
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outboundLog.setResponseReceiveTime(LocalDateTime.now());
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outboundTraceLogRepository.save(outboundLog);
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}
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/* ---------- End helpers ---------- */
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public void saveOrUpdateBillerData(BillerDetails newEntity) {
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Optional<BillerDetails> existingOpt = billerDataRespository.findByBillerId(newEntity.getBillerId());
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if (existingOpt.isPresent()) {
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BillerDetails existing = existingOpt.get();
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// Update base biller fields
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existing.setBillerName(newEntity.getBillerName());
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existing.setBillerAliasName(newEntity.getBillerAliasName());
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existing.setBillerDescription(newEntity.getBillerDescription());
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existing.setStatus(newEntity.getStatus());
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existing.setBillerCoverage(newEntity.getBillerCoverage());
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// ... (update other simple fields as needed)
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// ✅ Clear and replace nested lists to avoid duplicate inserts
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existing.getBillerPaymentModes().clear();
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if (newEntity.getBillerPaymentModes() != null) {
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for (PaymentMode mode : newEntity.getBillerPaymentModes()) {
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mode.setBiller(existing);
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existing.getBillerPaymentModes().add(mode);
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}
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}
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existing.getBillerPaymentChannels().clear();
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if (newEntity.getBillerPaymentChannels() != null) {
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for (PaymentChannel channel : newEntity.getBillerPaymentChannels()) {
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channel.setBiller(existing);
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existing.getBillerPaymentChannels().add(channel);
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}
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}
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billerDataRespository.save(existing);
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}
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else {
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// brand new biller
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billerDataRespository.save(newEntity);
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}
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}
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public void saveOrUpdateBillerData(BillDataResponse responseWrapper,
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BillFetchByBillIdRequest billFetchByBillIdRequest) {
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BillMaster billMaster =new BillMaster();
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billMaster.setBillId("12333333hjsdfjsfdj");
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billMaster.setRefId(responseWrapper.getRefId());
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billMaster.setBillerId(responseWrapper.getBillerId());
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billMaster.setStatus(responseWrapper.getStatus());
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billMaster.setActionType(responseWrapper.getActionType());
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billMaster.setUserId(responseWrapper.getUserId());
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billMaster.setReqId(billFetchByBillIdRequest.getReqId()); // if available from your API request
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billMaster.setTxnId("jhnjhbhj"); // give it from method
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// ---- BILLER RESPONSE ----
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BillerResponse billerResponse = new BillerResponse();
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if (responseWrapper.getBillerResponse() != null) {
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billerResponse.setBillId(responseWrapper.getBillerResponse().getBillId());
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billerResponse.setAmount(responseWrapper.getBillerResponse().getAmount());
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billerResponse.setBillDate(responseWrapper.getBillerResponse().getBillDate());
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billerResponse.setBillNumber(responseWrapper.getBillerResponse().getBillNumber());
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billerResponse.setBillPeriod(responseWrapper.getBillerResponse().getBillPeriod());
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billerResponse.setCustConvFee(responseWrapper.getBillerResponse().getCustConvFee());
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billerResponse.setCouCustConvFee(responseWrapper.getBillerResponse().getCouCustConvFee());
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billerResponse.setDueDate(responseWrapper.getBillerResponse().getDueDate());
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billerResponse.setCustomerName(responseWrapper.getBillerResponse().getCustomerName());
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billerResponse.setAmountOption(responseWrapper.getBillerResponse().isAmountOption());
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billerResponse.setBillMaster(billMaster); // maintain mapping
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}
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billMaster.setBillerResponse(billerResponse);
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// ---- ADDITIONAL INFO ----
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List<AdditionalInfoBill> additionalInfos = new ArrayList<>();
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if (responseWrapper.getAdditionalInfo() != null) {
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for (AdditionalInfoBillDTO info : responseWrapper.getAdditionalInfo()) {
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AdditionalInfoBill entity = new AdditionalInfoBill();
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entity.setName(info.getName());
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entity.setValue(info.getValue());
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entity.setBillMaster(billMaster); // maintain mapping
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additionalInfos.add(entity);
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}
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}
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billMaster.setAdditionalInfo(additionalInfos);
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// ---- CUSTOMER PARAMS ----
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List<CustomerParamBill> customerParams = new ArrayList<>();
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if (responseWrapper.getCustomerParams() != null) {
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for (CustomerParamDAO param : responseWrapper.getCustomerParams()) {
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CustomerParamBill entity = new CustomerParamBill();
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entity.setName(param.getName());
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entity.setValue(param.getValue());
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entity.setType(param.getType());
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entity.setBillMaster(billMaster);
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customerParams.add(entity);
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}
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}
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billMaster.setCustomerParams(customerParams);
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// ---- DATES ----
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billMaster.setCreationDate(responseWrapper.getCreationDate());
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billMaster.setModifiedDate(responseWrapper.getModifiedDate());
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billMaster.setCreatedEpochDate(responseWrapper.getCreatedEpochDate());
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billMaster.setModifiedEpochDate(responseWrapper.getModifiedEpochDate());
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billMasterRepository.save(billMaster);
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}
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}
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