adamsaghy commented on code in PR #5053:
URL: https://github.com/apache/fineract/pull/5053#discussion_r2464870756
##########
fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/calc/ProgressiveEMICalculator.java:
##########
@@ -559,6 +566,92 @@ private void
calculateEMIValueAndRateFactorsForDecliningBalanceInterestMethod(fi
}
}
+ @Override
+ public void updateModelRepaymentPeriodsDuringReAge(final
ProgressiveLoanInterestScheduleModel scheduleModel,
+ final LoanTransaction loanTransaction, final LoanApplicationTerms
loanApplicationTerms, final MathContext mc) {
+ final LoanReAgeParameter loanReAgeParameter =
loanTransaction.getLoanReAgeParameter();
+ final LocalDate reAgingStartDate = loanReAgeParameter.getStartDate();
+ final LocalDate transactionDate = loanTransaction.getTransactionDate();
+ final List<RepaymentPeriod> existingRepaymentPeriods =
scheduleModel.repaymentPeriods();
+
+ final List<RepaymentPeriod> periodsBeforeReAging =
existingRepaymentPeriods.stream()
+ .filter(rp -> rp.getFromDate().isBefore(reAgingStartDate) &&
!rp.isFullyPaid()).toList();
+
+ periodsBeforeReAging.forEach(rp -> {
+ final InterestPeriod lastInterestPeriod =
rp.getInterestPeriods().getLast();
+
lastInterestPeriod.addBalanceCorrectionAmount(rp.getOutstandingPrincipal().negated());
+ rp.setEmi(rp.getTotalPaidAmount());
+ });
+
+ final LocalDate periodStartDate = switch
(loanReAgeParameter.getFrequencyType()) {
+ case DAYS ->
reAgingStartDate.minusDays(loanReAgeParameter.getFrequencyNumber());
+ case WEEKS ->
reAgingStartDate.minusWeeks(loanReAgeParameter.getFrequencyNumber());
+ case MONTHS ->
reAgingStartDate.minusMonths(loanReAgeParameter.getFrequencyNumber());
+ case YEARS ->
reAgingStartDate.minusYears(loanReAgeParameter.getFrequencyNumber());
+ case WHOLE_TERM -> throw new IllegalStateException("Unexpected
RecalculationFrequencyType: WHOLE_TERM");
+ case INVALID -> throw new IllegalStateException("Unexpected
RecalculationFrequencyType: INVALID");
+ };
+
+ LocalDate disbursementDate = transactionDate;
+ if (!reAgingStartDate.isAfter(transactionDate)) {
+ disbursementDate = periodStartDate;
+ }
+
+ // generate list of proposed schedule due dates
+ final List<LoanScheduleModelRepaymentPeriod> expectedRepaymentPeriods
= scheduledDateGenerator.generateRepaymentPeriods(mc,
+ periodStartDate, loanApplicationTerms, null);
+ final ProgressiveLoanInterestScheduleModel
temporaryReAgedScheduleModel = generatePeriodInterestScheduleModel(
+ expectedRepaymentPeriods,
loanApplicationTerms.toLoanProductRelatedDetailMinimumData(), null,
+ loanApplicationTerms.getInstallmentAmountInMultiplesOf(), mc);
+
+ addDisbursement(temporaryReAgedScheduleModel,
EmiChangeOperation.disburse(disbursementDate,
loanApplicationTerms.getPrincipal()));
+
+ final List<RepaymentPeriod> newPeriods =
temporaryReAgedScheduleModel.repaymentPeriods();
+
+ if (newPeriods.isEmpty()) {
+ return;
+ }
+
+ final LocalDate reAgeDate = newPeriods.getFirst().getDueDate();
+ final Optional<RepaymentPeriod> firstExistingRepaymentPeriodOpt =
existingRepaymentPeriods.stream()
+ .filter(period ->
period.getDueDate().equals(reAgeDate)).findFirst();
+
+ for (final RepaymentPeriod newPeriod : newPeriods) {
+ final Optional<RepaymentPeriod> existingRepaymentPeriodOpt =
existingRepaymentPeriods.stream().filter(
+ period ->
period.getFromDate().equals(newPeriod.getFromDate()) &&
period.getDueDate().equals(newPeriod.getDueDate()))
+ .findFirst();
+ Optional<RepaymentPeriod> previousExistingRepaymentPeriodOpt =
Optional.empty();
+ if (existingRepaymentPeriodOpt.isPresent() &&
firstExistingRepaymentPeriodOpt.isPresent()
+ &&
existingRepaymentPeriodOpt.get().equals(firstExistingRepaymentPeriodOpt.get()))
{
+ previousExistingRepaymentPeriodOpt =
existingRepaymentPeriodOpt.get().getPrevious();
+ }
+
+ final Money newPrincipal = newPeriod.getDuePrincipal();
+ final Money newInterest = newPeriod.getDueInterest();
+
+ final RepaymentPeriod rp = RepaymentPeriod.create(
+
previousExistingRepaymentPeriodOpt.orElseGet(existingRepaymentPeriods::getLast),
newPeriod.getFromDate(),
+ newPeriod.getDueDate(), newPrincipal.add(newInterest),
MoneyHelper.getMathContext(),
+ loanTransaction.getLoan().getLoanProductRelatedDetail());
+
rp.setTotalDisbursedAmount(scheduleModel.repaymentPeriods().getFirst().getTotalDisbursedAmount());
+
+
existingRepaymentPeriodOpt.ifPresent(existingRepaymentPeriods::remove);
+ existingRepaymentPeriods.add(rp);
+ calculateRateFactorForRepaymentPeriod(rp, scheduleModel);
+ }
+
+ final RepaymentPeriod lastReAgedInstallment = newPeriods.getLast();
+ final List<RepaymentPeriod> reAgedRepaymentPeriods =
existingRepaymentPeriods.stream()
+ .filter(repaymentPeriod ->
(!repaymentPeriod.getFromDate().isBefore(reAgingStartDate)
+ ||
repaymentPeriod.getDueDate().isEqual(reAgingStartDate))
+ &&
!repaymentPeriod.getDueDate().isAfter(lastReAgedInstallment.getDueDate()))
+ .toList();
+
+ calculateOutstandingBalance(scheduleModel);
+ calculateLastUnpaidRepaymentPeriodEMI(scheduleModel, transactionDate);
+ checkAndAdjustEmiIfNeededOnRelatedRepaymentPeriods(scheduleModel,
reAgedRepaymentPeriods);
Review Comment:
Extract into a method and leave a short description what it does (like
merging the newmodel and existing one together and after recalculate the
balances).
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