FINERACT-2148: Backdated Charge-off with interest recalculation

fineract-provider/src/main/java/org/apache/fineract/cob/loan/LoanInterestRecalculationCOBBusinessStep.java

@@ -36,7 +36,7 @@ public class LoanInterestRecalculationCOBBusinessStep implements LoanCOBBusiness
     @Override
     public Loan execute(Loan loan) {
         if (!loan.isInterestBearing() || !loan.getStatus().isActive() || loan.isNpa() || loan.isChargedOff()
-                || !loan.isInterestRecalculationEnabledForProduct()
+                || !loan.isInterestRecalculationEnabled()
                 || loan.getLoanInterestRecalculationDetails().disallowInterestCalculationOnPastDue()) {
             log.debug(
                     "Skip processing loan interest recalculation [{}] - Possible reasons: Loan is not an interest bearing loan, Loan is not active, Interest recalculation on past due is disabled on this loan",

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/serialization/LoanForeclosureValidator.java

@@ -28,7 +28,7 @@ import org.springframework.stereotype.Component;
 public final class LoanForeclosureValidator {
 
     public void validateForForeclosure(final Loan loan, final LocalDate transactionDate) {
-        if (loan.isInterestRecalculationEnabledForProduct()) {
+        if (loan.isInterestRecalculationEnabled()) {
             final String defaultUserMessage = "The loan with interest recalculation enabled cannot be foreclosed.";
             throw new LoanForeclosureException("loan.with.interest.recalculation.enabled.cannot.be.foreclosured", defaultUserMessage,
                     loan.getId());

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanWritePlatformServiceJpaRepositoryImpl.java

@@ -3261,8 +3261,26 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final List<Long> existingReversedTransactionIds = loan.findExistingReversedTransactionIds();
 
         LoanTransaction chargeOffTransaction = LoanTransaction.chargeOff(loan, transactionDate, txnExternalId);
+
+        if (loan.isInterestBearing() && loan.isInterestRecalculationEnabled()
+                && DateUtils.isBefore(loan.getInterestRecalculatedOn(), DateUtils.getBusinessLocalDate())) {
+            final ScheduleGeneratorDTO scheduleGeneratorDTO = this.loanUtilService.buildScheduleGeneratorDTO(loan, null, null);
+            loanScheduleService.regenerateRepaymentScheduleWithInterestRecalculation(loan, scheduleGeneratorDTO);
+            loan.addLoanTransaction(chargeOffTransaction);
+            ChangedTransactionDetail changedTransactionDetail = loan.reprocessTransactions();
+            if (changedTransactionDetail != null) {
+                for (final Map.Entry<Long, LoanTransaction> mapEntry : changedTransactionDetail.getNewTransactionMappings().entrySet()) {
+                    loanAccountDomainService.saveLoanTransactionWithDataIntegrityViolationChecks(mapEntry.getValue());
+                    accountTransfersWritePlatformService.updateLoanTransaction(mapEntry.getKey(), mapEntry.getValue());
+                }
+                // Trigger transaction replayed event
+                replayedTransactionBusinessEventService.raiseTransactionReplayedEvents(changedTransactionDetail);
+            }
+        } else {
+            loan.addLoanTransaction(chargeOffTransaction);
+        }
         loanTransactionRepository.saveAndFlush(chargeOffTransaction);
-        loan.addLoanTransaction(chargeOffTransaction);
+
         saveAndFlushLoanWithDataIntegrityViolationChecks(loan);
 
         String noteText = command.stringValueOfParameterNamed(LoanApiConstants.noteParameterName);

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/ProgressiveLoanSummaryDataProvider.java

@@ -23,6 +23,7 @@ import java.time.LocalDate;
 import java.util.Collection;
 import java.util.List;
 import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.portfolio.loanaccount.data.LoanSummaryData;
@@ -42,6 +43,7 @@ import org.springframework.stereotype.Component;
 
 @Component
 @AllArgsConstructor
+@Slf4j
 public class ProgressiveLoanSummaryDataProvider extends CommonLoanSummaryDataProvider {
 
     private final AdvancedPaymentScheduleTransactionProcessor advancedPaymentScheduleTransactionProcessor;
@@ -89,7 +91,10 @@ public class ProgressiveLoanSummaryDataProvider extends CommonLoanSummaryDataPro
             ProgressiveLoanInterestScheduleModel model = changedTransactionDetailProgressiveLoanInterestScheduleModelPair.getRight();
             if (!changedTransactionDetailProgressiveLoanInterestScheduleModelPair.getLeft().getCurrentTransactionToOldId().isEmpty()
                     || !changedTransactionDetailProgressiveLoanInterestScheduleModelPair.getLeft().getNewTransactionMappings().isEmpty()) {
-                throw new RuntimeException("Transactions should not be reverse replayed!");
+                List<Long> replayedTransactions = changedTransactionDetailProgressiveLoanInterestScheduleModelPair.getLeft()
+                        .getNewTransactionMappings().keySet().stream().toList();
+                log.warn("Reprocessed transactions show differences: There are unsaved changes of the following transactions: {}",
+                        replayedTransactions);
             }
             if (model != null) {
                 PeriodDueDetails dueAmounts = emiCalculator.getDueAmounts(model, loanRepaymentScheduleInstallment.getDueDate(),