added a testing class for billers

src/main/java/com/billpaymentservice/bbps/util/Helper.java

@@ -6,7 +6,9 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Function;
+import java.util.stream.Collectors;
 
+import org.modelmapper.ModelMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
@@ -16,12 +18,15 @@ import com.billpaymentservice.bbps.dto.CustomerParamDAO;
 import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
 import com.billpaymentservice.bbps.dto.response.BillDataResponse;
+import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
 import com.billpaymentservice.bbps.entites.AdditionalInfoBill;
 import com.billpaymentservice.bbps.entites.BBPSMastersData;
 import com.billpaymentservice.bbps.entites.BillMaster;
+import com.billpaymentservice.bbps.entites.BillValidation;
 import com.billpaymentservice.bbps.entites.BillerDetails;
 import com.billpaymentservice.bbps.entites.BillerResponse;
 import com.billpaymentservice.bbps.entites.CustomerParamBill;
+import com.billpaymentservice.bbps.entites.CustomerParamBillValidation;
 import com.billpaymentservice.bbps.entites.InboundTraceLog;
 import com.billpaymentservice.bbps.entites.OutboundTraceLog;
 import com.billpaymentservice.bbps.entites.PaymentChannel;
@@ -29,6 +34,7 @@ import com.billpaymentservice.bbps.entites.PaymentMode;
 import com.billpaymentservice.bbps.exception.CustomException;
 import com.billpaymentservice.bbps.repository.BBPSMasterDataRepo;
 import com.billpaymentservice.bbps.repository.BillMasterRepository;
+import com.billpaymentservice.bbps.repository.BillValidationRepository;
 import com.billpaymentservice.bbps.repository.BillerDataRepository;
 import com.billpaymentservice.bbps.repository.InboundTraceLogRepository;
 import com.billpaymentservice.bbps.repository.OutboundTraceLogRepository;
@@ -48,16 +54,18 @@ public class Helper {
 	private final BBPSMasterDataRepo bbpsMasterDataRepo;
 	private final BillerDataRepository billerDataRespository;
 	private final BillMasterRepository billMasterRepository;
+	private final BillValidationRepository billValidationRepository;
 
 	// Constructor Injection
 	public Helper(BBPSMasterDataRepo bbpsMasterDataRepo, InboundTraceLogRepository inboundTraceLogRepository,
 			OutboundTraceLogRepository outboundTraceLogRepository,BillerDataRepository billerDataRepository,
-			BillMasterRepository billMasterRepository) {
+			BillMasterRepository billMasterRepository,BillValidationRepository billValidationRepository) {
 		this.bbpsMasterDataRepo = bbpsMasterDataRepo;
 		this.inboundTraceLogRepository = inboundTraceLogRepository;
 		this.outboundTraceLogRepository = outboundTraceLogRepository;
 		this.billerDataRespository=billerDataRepository;
 		this.billMasterRepository=billMasterRepository;
+		this.billValidationRepository=billValidationRepository;
 	}
 
 	/**
@@ -301,6 +309,38 @@ public class Helper {
              billMasterRepository.save(billMaster);          
 
 	}
+	 public void saveBillValidation(FetchBillValidateResponse responseWrapper, BillFetchByBillIdRequest billRequest) {
+		 System.out.println("responseWrapper");
+		 ModelMapper modelMapper = new ModelMapper();
+	 
+	        try {
+	            LOGGER.info("Saving bill validation data for billId={}", responseWrapper.getBillId());
 
+	            // ✅ Map the main object
+	            BillValidation billEntity = modelMapper.map(responseWrapper, BillValidation.class);
+	            // ✅ Manually handle only the nested relationship part
+	            if (responseWrapper.getCustomerParams() != null) {
+	                List<CustomerParamBillValidation> customerParams = responseWrapper.getCustomerParams()
+	                        .stream()
+	                        .map(param -> {
+	                            CustomerParamBillValidation cp = modelMapper.map(param, CustomerParamBillValidation.class);
+	                            cp.setBill(billEntity); // maintain relation
+	                            return cp;
+	                        })
+	                        .collect(Collectors.toList());
+	                billEntity.setCustomerParams(customerParams);
+	            }
 
+	            // ✅ Save everything (cascade handles child)
+	            
+	            billValidationRepository.save(billEntity);
+
+	            LOGGER.info("Bill validation saved successfully for billId={}", billEntity.getBillId());
+	        } catch (Exception ex) {
+	            LOGGER.error("Error saving BillValidation data: {}", ex.getMessage(), ex);
+	            throw new RuntimeException("Failed to save bill validation data", ex);
+	        }
+
+   
 }
+}