FINERACT-2322: Extend loan collection data with next due payment amount field

fineract-avro-schemas/src/main/avro/loan/v1/CollectionDataV1.avsc

@@ -27,6 +27,14 @@
                 "string"
             ]
         },
+        {
+            "default": null,
+            "name": "nextPaymentAmount",
+            "type": [
+                "null",
+                "bigdecimal"
+            ]
+        },
         {
             "default": null,
             "name": "delinquentDays",

fineract-loan/src/main/java/org/apache/fineract/portfolio/delinquency/service/AbstractPossibleNextRepaymentCalculationService.java

@@ -0,0 +1,58 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.delinquency.service;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.infrastructure.core.service.MathUtil;
+import org.apache.fineract.infrastructure.core.service.ThreadLocalContextUtil;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+import org.apache.fineract.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
+
+@RequiredArgsConstructor
+public abstract class AbstractPossibleNextRepaymentCalculationService implements PossibleNextRepaymentCalculationService {
+
+    @Override
+    public BigDecimal possibleNextRepaymentAmount(Loan loan, LocalDate nextPaymentDueDate) {
+        LoanRepaymentScheduleInstallment nextInstallment = loan.getRelatedRepaymentScheduleInstallment(nextPaymentDueDate);
+        if (nextInstallment == null || nextInstallment.isObligationsMet()) {
+            return BigDecimal.ZERO;
+        }
+        if (loan.isInterestRecalculationEnabled()
+                // if rest frequency type is same as repayment, then interest values should be on the repayment schedule
+                // correctly.
+                && !loan.getLoanInterestRecalculationDetails().getRestFrequencyType().isSameAsRepayment()
+                // if charge off, installments already shows correct values, no further calculation is required.
+                && !loan.isChargeOffOnDate(nextPaymentDueDate)
+                // all strategy works like same as repayment on installment due date.
+                && nextInstallment.getDueDate().isAfter(ThreadLocalContextUtil.getBusinessDate())
+                // there is no overdue / overdue related to that installment is calculated.
+                && !nextInstallment.getFromDate().isEqual(ThreadLocalContextUtil.getBusinessDate())
+                && MathUtil.isGreaterThanZero(loan.getDisbursedAmount())) {
+            // try to predict future outstanding balances with interest recalculation
+            return calculateInterestRecalculationFutureOutstandingValue(loan, nextPaymentDueDate, nextInstallment);
+        }
+        return nextInstallment.getTotalOutstanding(loan.getCurrency()).getAmount();
+    }
+
+    public abstract BigDecimal calculateInterestRecalculationFutureOutstandingValue(Loan loan, LocalDate nextPaymentDueDate,
+            LoanRepaymentScheduleInstallment nextInstallment);
+
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/delinquency/service/DelinquencyReadPlatformServiceImpl.java

@@ -81,6 +81,7 @@ public class DelinquencyReadPlatformServiceImpl implements DelinquencyReadPlatfo
     private final DelinquencyEffectivePauseHelper delinquencyEffectivePauseHelper;
     private final ConfigurationDomainService configurationDomainService;
     private final LoanTransactionRepository loanTransactionRepository;
+    private final PossibleNextRepaymentCalculationServiceDiscovery possibleNextRepaymentCalculationServiceDiscovery;
 
     @Override
     public List<DelinquencyRangeData> retrieveAllDelinquencyRanges() {
@@ -152,6 +153,12 @@ public class DelinquencyReadPlatformServiceImpl implements DelinquencyReadPlatfo
             collectionData = loanDelinquencyDomainService.getOverdueCollectionData(loan, effectiveDelinquencyList);
             collectionData.setAvailableDisbursementAmount(calculateAvailableDisbursementAmount(loan));
             collectionData.setNextPaymentDueDate(possibleNextRepaymentDate(nextPaymentDueDateConfig, loan));
+            PossibleNextRepaymentCalculationService possibleNextRepaymentCalculationService = possibleNextRepaymentCalculationServiceDiscovery
+                    .getService(loan);
+            if (possibleNextRepaymentCalculationService != null) {
+                collectionData.setNextPaymentAmount(
+                        possibleNextRepaymentCalculationService.possibleNextRepaymentAmount(loan, collectionData.getNextPaymentDueDate()));
+            }
 
             final LoanTransaction lastPayment = loan.getLastPaymentTransaction();
             if (lastPayment != null) {

fineract-loan/src/main/java/org/apache/fineract/portfolio/delinquency/service/PossibleNextRepaymentCalculationService.java

@@ -0,0 +1,30 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.delinquency.service;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+
+public interface PossibleNextRepaymentCalculationService {
+
+    boolean canAccept(Loan loan);
+
+    BigDecimal possibleNextRepaymentAmount(Loan loan, LocalDate nextPaymentDueDate);
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/delinquency/service/PossibleNextRepaymentCalculationServiceDiscovery.java

@@ -0,0 +1,35 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.delinquency.service;
+
+import java.util.List;
+import lombok.AllArgsConstructor;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+import org.springframework.stereotype.Service;
+
+@AllArgsConstructor
+@Service
+public class PossibleNextRepaymentCalculationServiceDiscovery {
+
+    private final List<PossibleNextRepaymentCalculationService> services;
+
+    public PossibleNextRepaymentCalculationService getService(final Loan loan) {
+        return services.stream().filter(s -> s.canAccept(loan)).findAny().orElse(null);
+    }
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/delinquency/starter/DelinquencyConfiguration.java

@@ -37,6 +37,7 @@ import org.apache.fineract.portfolio.delinquency.service.DelinquencyWritePlatfor
 import org.apache.fineract.portfolio.delinquency.service.DelinquencyWritePlatformServiceImpl;
 import org.apache.fineract.portfolio.delinquency.service.LoanDelinquencyDomainService;
 import org.apache.fineract.portfolio.delinquency.service.LoanDelinquencyDomainServiceImpl;
+import org.apache.fineract.portfolio.delinquency.service.PossibleNextRepaymentCalculationServiceDiscovery;
 import org.apache.fineract.portfolio.delinquency.validator.DelinquencyActionParseAndValidator;
 import org.apache.fineract.portfolio.delinquency.validator.DelinquencyBucketParseAndValidator;
 import org.apache.fineract.portfolio.delinquency.validator.DelinquencyRangeParseAndValidator;
@@ -62,11 +63,12 @@ public class DelinquencyConfiguration {
             LoanInstallmentDelinquencyTagRepository repositoryLoanInstallmentDelinquencyTag,
             LoanDelinquencyActionRepository loanDelinquencyActionRepository,
             DelinquencyEffectivePauseHelper delinquencyEffectivePauseHelper, ConfigurationDomainService configurationDomainService,
-            LoanTransactionRepository loanTransactionRepository) {
+            LoanTransactionRepository loanTransactionRepository,
+            PossibleNextRepaymentCalculationServiceDiscovery possibleNextRepaymentCalculationService) {
         return new DelinquencyReadPlatformServiceImpl(repositoryRange, repositoryBucket, repositoryLoanDelinquencyTagHistory, mapperRange,
                 mapperBucket, mapperLoanDelinquencyTagHistory, loanRepository, loanDelinquencyDomainService,
                 repositoryLoanInstallmentDelinquencyTag, loanDelinquencyActionRepository, delinquencyEffectivePauseHelper,
-                configurationDomainService, loanTransactionRepository);
+                configurationDomainService, loanTransactionRepository, possibleNextRepaymentCalculationService);
     }
 
     @Bean

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/data/CollectionData.java

@@ -31,6 +31,7 @@ public final class CollectionData {
     private BigDecimal availableDisbursementAmount;
     private Long pastDueDays;
     private LocalDate nextPaymentDueDate;
+    private BigDecimal nextPaymentAmount;
     private Long delinquentDays;
     private LocalDate delinquentDate;
     private BigDecimal delinquentAmount;
@@ -50,7 +51,7 @@ public final class CollectionData {
 
     public static CollectionData template() {
         final BigDecimal zero = BigDecimal.ZERO;
-        return new CollectionData(zero, 0L, null, 0L, null, zero, null, zero, null, zero, null, null, zero, zero, zero, zero);
+        return new CollectionData(zero, 0L, null, zero, 0L, null, zero, null, zero, null, zero, null, null, zero, zero, zero, zero);
     }
 
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java

@@ -1403,7 +1403,6 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
      * @return a schedule installment is related to the provided date
      **/
     public LoanRepaymentScheduleInstallment getRelatedRepaymentScheduleInstallment(LocalDate date) {
-        // TODO first installment should be fromInclusive
         return getRepaymentScheduleInstallment(e -> DateUtils.isDateInRangeFromExclusiveToInclusive(date, e.getFromDate(), e.getDueDate()));
     }
 

fineract-progressive-loan-embeddable-schedule-generator/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/EmbeddableProgressiveLoanScheduleGenerator.java

@@ -55,6 +55,11 @@ public class EmbeddableProgressiveLoanScheduleGenerator {
             return Optional.empty();
         }
 
+        @Override
+        public Optional<ProgressiveLoanModel> findOneByLoan(Loan loan) {
+            return Optional.empty();
+        }
+
         @Override
         public Optional<ProgressiveLoanInterestScheduleModel> extractModel(Optional<ProgressiveLoanModel> progressiveLoanModel) {
             return Optional.empty();

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/delinquency/service/ProgressivePossibleNextRepaymentCalculationServiceImpl.java

@@ -0,0 +1,79 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.delinquency.service;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
+import org.apache.fineract.portfolio.loanaccount.domain.ChangedTransactionDetail;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+import org.apache.fineract.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
+import org.apache.fineract.portfolio.loanaccount.domain.ProgressiveLoanModel;
+import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.MoneyHolder;
+import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl.AdvancedPaymentScheduleTransactionProcessor;
+import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl.ProgressiveTransactionCtx;
+import org.apache.fineract.portfolio.loanaccount.service.InterestScheduleModelRepositoryWrapper;
+import org.apache.fineract.portfolio.loanproduct.calc.data.ProgressiveLoanInterestScheduleModel;
+import org.apache.fineract.portfolio.loanproduct.calc.data.RepaymentPeriod;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class ProgressivePossibleNextRepaymentCalculationServiceImpl extends AbstractPossibleNextRepaymentCalculationService {
+
+    private final InterestScheduleModelRepositoryWrapper interestScheduleModelRepository;
+    private final AdvancedPaymentScheduleTransactionProcessor advancedPaymentScheduleTransactionProcessor;
+
+    @Override
+    public BigDecimal calculateInterestRecalculationFutureOutstandingValue(Loan loan, LocalDate nextPaymentDueDate,
+            LoanRepaymentScheduleInstallment nextInstallment) {
+        MonetaryCurrency currency = loan.getCurrency();
+        Optional<ProgressiveLoanModel> progressiveLoanModel = interestScheduleModelRepository.findOneByLoan(loan);
+        Optional<ProgressiveLoanInterestScheduleModel> optionalScheduleModel = interestScheduleModelRepository
+                .extractModel(progressiveLoanModel);
+        ProgressiveLoanInterestScheduleModel scheduleModel = optionalScheduleModel.orElseGet(
+                () -> advancedPaymentScheduleTransactionProcessor.calculateInterestScheduleModel(loan.getId(), nextPaymentDueDate));
+        if (scheduleModel == null) {
+            return BigDecimal.ZERO;
+        }
+        List<LoanRepaymentScheduleInstallment> repaymentScheduleInstallments = loan.getRepaymentScheduleInstallments();
+        ProgressiveTransactionCtx ctx = new ProgressiveTransactionCtx(loan.getCurrency(), repaymentScheduleInstallments, Set.of(),
+                new MoneyHolder(loan.getTotalOverpaidAsMoney()), new ChangedTransactionDetail(), scheduleModel);
+        ctx.setChargedOff(loan.isChargedOff());
+        ctx.setContractTerminated(loan.isContractTermination());
+        advancedPaymentScheduleTransactionProcessor.recalculateInterestForDate(nextPaymentDueDate, ctx, false);
+        RepaymentPeriod repaymentPeriod = scheduleModel.findRepaymentPeriodByDueDate(nextPaymentDueDate)
+                .orElseGet(scheduleModel::getLastRepaymentPeriod);
+
+        return repaymentPeriod.getOutstandingPrincipal().add(repaymentPeriod.getOutstandingInterest())
+                .add(nextInstallment.getFeeChargesOutstanding(currency)).add(nextInstallment.getPenaltyChargesOutstanding(currency))
+                .getAmount();
+    }
+
+    @Override
+    public boolean canAccept(Loan loan) {
+        return loan.isProgressiveSchedule();
+    }
+}

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/transactionprocessor/impl/AdvancedPaymentScheduleTransactionProcessor.java

@@ -1498,104 +1498,97 @@ public class AdvancedPaymentScheduleTransactionProcessor extends AbstractLoanRep
         super.handleWriteOff(transaction, ctx.getCurrency(), ctx.getInstallments());
     }
 
-    private List<LoanRepaymentScheduleInstallment> findOverdueInstallmentsBeforeDateSortedByInstallmentNumber(LocalDate targetDate,
-            ProgressiveTransactionCtx transactionCtx) {
-        return transactionCtx.getInstallments().stream() //
-                .filter(installment -> !installment.isDownPayment() && !installment.isAdditional())
-                .filter(installment -> installment.isOverdueOn(targetDate))
-                .sorted(Comparator.comparing(LoanRepaymentScheduleInstallment::getInstallmentNumber)).toList();
+    private List<RepaymentPeriod> findPossiblyOverdueRepaymentPeriods(LocalDate targetDate, ProgressiveLoanInterestScheduleModel model) {
+        return model.repaymentPeriods().stream() //
+                .filter(repaymentPeriod -> DateUtils.isAfter(targetDate, repaymentPeriod.getDueDate())).toList();
+    }
+
+    public boolean rework(LocalDate targetDate, ProgressiveTransactionCtx ctx) {
+        boolean hasChange = false;
+        ProgressiveLoanInterestScheduleModel model = ctx.getModel();
+        List<RepaymentPeriod> overdueInstallmentsSortedByInstallmentNumber = findPossiblyOverdueRepaymentPeriods(targetDate, model);
+        if (!overdueInstallmentsSortedByInstallmentNumber.isEmpty()) {
+            RepaymentPeriod lastPeriod = model.getLastRepaymentPeriod();
+            RepaymentPeriod currentPeriod = model.findRepaymentPeriod(targetDate).orElse(lastPeriod);
+            MonetaryCurrency currency = model.zero().getCurrency();
+            Money overDuePrincipal = Money.zero(currency);
+            Money aggregatedOverDuePrincipal = Money.zero(currency);
+            for (RepaymentPeriod processingPeriod : overdueInstallmentsSortedByInstallmentNumber) {
+                // add and subtract outstanding principal
+                if (!overDuePrincipal.isZero()) {
+                    boolean currentChanges = adjustOverduePrincipal(targetDate, processingPeriod, overDuePrincipal,
+                            aggregatedOverDuePrincipal, ctx);
+
+                    hasChange = hasChange || currentChanges;
+                }
+
+                overDuePrincipal = processingPeriod.getOutstandingPrincipal();
+                aggregatedOverDuePrincipal = aggregatedOverDuePrincipal.add(overDuePrincipal);
+            }
+
+            if (!currentPeriod.equals(lastPeriod) || !targetDate.isAfter(lastPeriod.getDueDate())) {
+                boolean currentChanges = adjustOverduePrincipal(targetDate, currentPeriod, overDuePrincipal, aggregatedOverDuePrincipal,
+                        ctx);
+                hasChange = hasChange || currentChanges;
+
+            }
+            if (aggregatedOverDuePrincipal.isGreaterThanZero()
+                    && (model.lastOverdueBalanceChange() == null || model.lastOverdueBalanceChange().isBefore(targetDate))) {
+                model.lastOverdueBalanceChange(targetDate);
+            }
+        }
+
+        return hasChange;
     }
 
     public void recalculateInterestForDate(LocalDate targetDate, ProgressiveTransactionCtx ctx) {
+        recalculateInterestForDate(targetDate, ctx, true);
+    }
+
+    public void recalculateInterestForDate(LocalDate targetDate, ProgressiveTransactionCtx ctx, boolean updateInstallments) {
         if (ctx.getInstallments() != null && !ctx.getInstallments().isEmpty()) {
             Loan loan = ctx.getInstallments().getFirst().getLoan();
             if (loan.isInterestBearingAndInterestRecalculationEnabled() && !loan.isNpa() && !ctx.isChargedOff()
-                    && !ctx.isContractTerminated()) {
+                    && !ctx.isContractTerminated() && !loan.getLoanInterestRecalculationDetails().disallowInterestCalculationOnPastDue()) {
 
-                List<LoanRepaymentScheduleInstallment> overdueInstallmentsSortedByInstallmentNumber = findOverdueInstallmentsBeforeDateSortedByInstallmentNumber(
-                        targetDate, ctx);
-                if (!overdueInstallmentsSortedByInstallmentNumber.isEmpty()) {
-                    List<LoanRepaymentScheduleInstallment> normalInstallments = ctx.getInstallments().stream() //
-                            .filter(installment -> !installment.isAdditional() && !installment.isDownPayment()).toList();
-
-                    Optional<LoanRepaymentScheduleInstallment> currentInstallmentOptional = normalInstallments.stream().filter(
-                            installment -> installment.getFromDate().isBefore(targetDate) && !installment.getDueDate().isBefore(targetDate))
-                            .findAny();
-
-                    // get DUE installment or last installment
-                    LoanRepaymentScheduleInstallment lastInstallment = normalInstallments.stream()
-                            .max(Comparator.comparing(LoanRepaymentScheduleInstallment::getInstallmentNumber)).get();
-                    LoanRepaymentScheduleInstallment currentInstallment = currentInstallmentOptional.orElse(lastInstallment);
-
-                    Money overDuePrincipal = Money.zero(ctx.getCurrency());
-                    Money aggregatedOverDuePrincipal = Money.zero(ctx.getCurrency());
-                    for (LoanRepaymentScheduleInstallment processingInstallment : overdueInstallmentsSortedByInstallmentNumber) {
-                        // add and subtract outstanding principal
-                        if (!overDuePrincipal.isZero()) {
-                            adjustOverduePrincipalForInstallment(targetDate, processingInstallment, overDuePrincipal,
-                                    aggregatedOverDuePrincipal, ctx);
-                        }
-
-                        overDuePrincipal = processingInstallment.getPrincipalOutstanding(ctx.getCurrency());
-                        aggregatedOverDuePrincipal = aggregatedOverDuePrincipal.add(overDuePrincipal);
-                    }
-
-                    boolean adjustNeeded = !currentInstallment.equals(lastInstallment) || !lastInstallment.isOverdueOn(targetDate);
-                    if (adjustNeeded) {
-                        adjustOverduePrincipalForInstallment(targetDate, currentInstallment, overDuePrincipal, aggregatedOverDuePrincipal,
-                                ctx);
-                    }
-                    if (aggregatedOverDuePrincipal.isGreaterThanZero() && (ctx.getModel().lastOverdueBalanceChange() == null
-                            || ctx.getModel().lastOverdueBalanceChange().isBefore(targetDate))) {
-                        ctx.getModel().lastOverdueBalanceChange(targetDate);
-                    }
+                boolean modelHasUpdates = rework(targetDate, ctx);
+                if (modelHasUpdates && updateInstallments) {
+                    updateInstallmentsPrincipalAndInterestByModel(ctx);
                 }
             }
         }
     }
 
-    private void adjustOverduePrincipalForInstallment(LocalDate currentDate, LoanRepaymentScheduleInstallment currentInstallment,
-            Money overduePrincipal, Money aggregatedOverDuePrincipal, ProgressiveTransactionCtx ctx) {
-        if (currentInstallment.getLoan().getLoanInterestRecalculationDetails().disallowInterestCalculationOnPastDue()) {
-            return;
-        }
+    private boolean adjustOverduePrincipal(LocalDate currentDate, RepaymentPeriod currentInstallment, Money overduePrincipal,
+            Money aggregatedOverDuePrincipal, ProgressiveTransactionCtx ctx) {
 
         LocalDate fromDate = currentInstallment.getFromDate();
         LocalDate toDate = currentInstallment.getDueDate();
-        boolean hasUpdate = false;
+        ProgressiveLoanInterestScheduleModel model = ctx.getModel();
+        boolean prepayAttempt = ctx.isPrepayAttempt();
+        LoanInterestRecalculationDetails loanInterestRecalculationDetails = ctx.getInstallments().getFirst().getLoan()
+                .getLoanInterestRecalculationDetails();
 
-        if (!currentDate.equals(ctx.getModel().lastOverdueBalanceChange())) {
-            // if we have same date for fromDate & last overdue balance change then it means we have the up-to-date
-            // model.
-            if (ctx.getModel().lastOverdueBalanceChange() == null
-                    || currentInstallment.getFromDate().isAfter(ctx.getModel().lastOverdueBalanceChange())) {
-                // first overdue hit for installment. setting overdue balance correction from instalment from date.
-                emiCalculator.addBalanceCorrection(ctx.getModel(), fromDate, overduePrincipal);
+        if (!currentDate.equals(model.lastOverdueBalanceChange())) {
+            if (model.lastOverdueBalanceChange() == null || currentInstallment.getFromDate().isAfter(model.lastOverdueBalanceChange())) {
+                emiCalculator.addBalanceCorrection(model, fromDate, overduePrincipal);
             } else {
-                // not the first balance correction on installment period, then setting overdue balance correction from
-                // last balance change's current date. previous interest period already has the correct balance
-                // correction.
-                emiCalculator.addBalanceCorrection(ctx.getModel(), ctx.getModel().lastOverdueBalanceChange(), overduePrincipal);
+                emiCalculator.addBalanceCorrection(model, model.lastOverdueBalanceChange(), overduePrincipal);
             }
 
-            hasUpdate = true;
-
             if (currentDate.isAfter(fromDate) && !currentDate.isAfter(toDate)) {
                 LocalDate lastOverdueBalanceChange;
-                if (shouldRecalculateTillInstallmentDueDate(currentInstallment.getLoan().getLoanInterestRecalculationDetails(),
-                        ctx.isPrepayAttempt())) {
+                if (shouldRecalculateTillInstallmentDueDate(loanInterestRecalculationDetails, prepayAttempt)) {
                     lastOverdueBalanceChange = toDate;
                 } else {
                     lastOverdueBalanceChange = currentDate;
                 }
-                emiCalculator.addBalanceCorrection(ctx.getModel(), lastOverdueBalanceChange, aggregatedOverDuePrincipal.negated());
-                ctx.getModel().lastOverdueBalanceChange(lastOverdueBalanceChange);
+                emiCalculator.addBalanceCorrection(model, lastOverdueBalanceChange, aggregatedOverDuePrincipal.negated());
+                model.lastOverdueBalanceChange(lastOverdueBalanceChange);
             }
+            return true;
         }
-
-        if (hasUpdate) {
-            updateInstallmentsPrincipalAndInterestByModel(ctx);
-        }
+        return false;
     }
 
     private void updateInstallmentsPrincipalAndInterestByModel(ProgressiveTransactionCtx ctx) {

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/repository/ProgressiveLoanModelRepository.java

@@ -19,6 +19,7 @@
 package org.apache.fineract.portfolio.loanaccount.repository;
 
 import java.util.Optional;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.domain.ProgressiveLoanModel;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
@@ -27,4 +28,6 @@ public interface ProgressiveLoanModelRepository
         extends JpaSpecificationExecutor<ProgressiveLoanModel>, JpaRepository<ProgressiveLoanModel, Long> {
 
     Optional<ProgressiveLoanModel> findOneByLoanId(Long loanId);
+
+    Optional<ProgressiveLoanModel> findOneByLoan(Loan loan);
 }

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/service/InterestScheduleModelRepositoryWrapper.java

@@ -29,6 +29,8 @@ public interface InterestScheduleModelRepositoryWrapper {
 
     Optional<ProgressiveLoanModel> findOneByLoanId(Long loanId);
 
+    Optional<ProgressiveLoanModel> findOneByLoan(Loan loan);
+
     Optional<ProgressiveLoanInterestScheduleModel> extractModel(Optional<ProgressiveLoanModel> progressiveLoanModel);
 
     ProgressiveLoanInterestScheduleModel writeInterestScheduleModel(Loan loan, ProgressiveLoanInterestScheduleModel model);

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/service/InterestScheduleModelRepositoryWrapperImpl.java

@@ -23,6 +23,7 @@ import jakarta.transaction.Transactional;
 import java.time.LocalDate;
 import java.util.Optional;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicReference;
 import lombok.RequiredArgsConstructor;
 import org.apache.fineract.infrastructure.core.persistence.FlushModeHandler;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
@@ -78,6 +79,15 @@ public class InterestScheduleModelRepositoryWrapperImpl implements InterestSched
         return progressiveLoanModel[0];
     }
 
+    @Override
+    public Optional<ProgressiveLoanModel> findOneByLoan(Loan loan) {
+        AtomicReference<Optional<ProgressiveLoanModel>> progressiveLoanModelRef = new AtomicReference<>();
+        flushModeHandler.withFlushMode(FlushModeType.COMMIT, () -> {
+            progressiveLoanModelRef.set(loanModelRepository.findOneByLoan(loan));
+        });
+        return progressiveLoanModelRef.get();
+    }
+
     @Override
     public Optional<ProgressiveLoanInterestScheduleModel> extractModel(Optional<ProgressiveLoanModel> progressiveLoanModel) {
         return progressiveLoanModel.map(ProgressiveLoanModel::getJsonModel) //

fineract-progressive-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/calc/data/RepaymentPeriod.java

@@ -381,6 +381,15 @@ public final class RepaymentPeriod {
         return previous == null;
     }
 
+    /**
+     * Gives back getDueInterest minus paid interest
+     *
+     * @return
+     */
+    public Money getOutstandingInterest() {
+        return MathUtil.negativeToZero(getDueInterest().minus(getPaidInterest()), mc);
+    }
+
     public Money getOutstandingPrincipal() {
         return MathUtil.negativeToZero(getDuePrincipal().minus(getPaidPrincipal()), mc);
     }

fineract-progressive-loan/src/test/java/org/apache/fineract/portfolio/loanaccount/domain/transactionprocessor/impl/AdvancedPaymentScheduleTransactionProcessorTest.java

@@ -61,6 +61,7 @@ import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanCharge;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanChargePaidBy;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanCreditAllocationRule;
+import org.apache.fineract.portfolio.loanaccount.domain.LoanInterestRecalculationDetails;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanPaymentAllocationRule;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanRepositoryWrapper;
@@ -467,6 +468,9 @@ class AdvancedPaymentScheduleTransactionProcessorTest {
         when(loanTransaction.getLoan()).thenReturn(loan);
         when(loan.getCurrency()).thenReturn(currency);
         when(loan.getPaymentAllocationRules()).thenReturn(List.of(loanPaymentAllocationRule));
+        LoanInterestRecalculationDetails loanInterestRecalculationDetails = mock(LoanInterestRecalculationDetails.class);
+        when(loanInterestRecalculationDetails.disallowInterestCalculationOnPastDue()).thenReturn(false);
+        when(loan.getLoanInterestRecalculationDetails()).thenReturn(loanInterestRecalculationDetails);
 
         when(loanPaymentAllocationRule.getTransactionType()).thenReturn(PaymentAllocationTransactionType.DEFAULT);
         when(loanPaymentAllocationRule.getAllocationTypes())

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/api/LoansApiResourceSwagger.java

@@ -1022,6 +1022,8 @@ final class LoansApiResourceSwagger {
             public Integer pastDueDays;
             @Schema(example = "[2022, 07, 01]")
             public LocalDate nextPaymentDueDate;
+            @Schema(example = "123.23")
+            public BigDecimal nextPaymentAmount;
             @Schema(example = "4")
             public Integer delinquentDays;
             @Schema(example = "[2022, 07, 01]")

fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanAccountDelinquencyRangeEventSerializerTest.java

@@ -82,6 +82,7 @@ import org.apache.fineract.portfolio.delinquency.mapper.LoanDelinquencyTagMapper
 import org.apache.fineract.portfolio.delinquency.service.DelinquencyReadPlatformService;
 import org.apache.fineract.portfolio.delinquency.service.DelinquencyReadPlatformServiceImpl;
 import org.apache.fineract.portfolio.delinquency.service.LoanDelinquencyDomainService;
+import org.apache.fineract.portfolio.delinquency.service.PossibleNextRepaymentCalculationServiceDiscovery;
 import org.apache.fineract.portfolio.loanaccount.data.CollectionData;
 import org.apache.fineract.portfolio.loanaccount.data.LoanAccountData;
 import org.apache.fineract.portfolio.loanaccount.domain.Loan;
@@ -364,7 +365,8 @@ public class LoanAccountDelinquencyRangeEventSerializerTest {
         DelinquencyReadPlatformService delinquencyReadPlatformService = new DelinquencyReadPlatformServiceImpl(repositoryRange,
                 repositoryBucket, repositoryLoanDelinquencyTagHistory, mapperRange, mapperBucket, mapperLoanDelinquencyTagHistory,
                 loanRepository, loanDelinquencyDomainService, repositoryLoanInstallmentDelinquencyTag, loanDelinquencyActionRepository,
-                delinquencyEffectivePauseHelper, configurationDomainService, Mockito.mock(LoanTransactionRepository.class));
+                delinquencyEffectivePauseHelper, configurationDomainService, Mockito.mock(LoanTransactionRepository.class),
+                Mockito.mock(PossibleNextRepaymentCalculationServiceDiscovery.class));
 
         LoanProduct loanProduct = Mockito.mock(LoanProduct.class);
         when(loanProduct.isMultiDisburseLoan()).thenReturn(false);

fineract-provider/src/test/java/org/apache/fineract/portfolio/deliquency/DelinquencyWritePlatformServiceRangeChangeEventTest.java

@@ -186,8 +186,8 @@ public class DelinquencyWritePlatformServiceRangeChangeEventTest {
         LoanScheduleDelinquencyData loanScheduleDelinquencyData = new LoanScheduleDelinquencyData(1L, overDueSinceDate, 1L,
                 loanForProcessing);
         final BigDecimal zero = BigDecimal.ZERO;
-        CollectionData collectionData = new CollectionData(zero, 2L, null, 2L, overDueSinceDate, zero, null, null, null, null, null, null,
-                zero, zero, zero, zero);
+        CollectionData collectionData = new CollectionData(zero, 2L, null, zero, 2L, overDueSinceDate, zero, null, null, null, null, null,
+                null, zero, zero, zero, zero);
 
         Map<Long, CollectionData> installmentsCollection = new HashMap<>();
 
@@ -240,10 +240,10 @@ public class DelinquencyWritePlatformServiceRangeChangeEventTest {
         LocalDate overDueSinceDate = DateUtils.getBusinessLocalDate().minusDays(2);
         LoanScheduleDelinquencyData loanScheduleDelinquencyData = new LoanScheduleDelinquencyData(1L, overDueSinceDate, 1L,
                 loanForProcessing);
-        CollectionData collectionData = new CollectionData(zeroAmount, 2L, null, 2L, overDueSinceDate, zeroAmount, null, null, null, null,
-                null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
+        CollectionData collectionData = new CollectionData(zeroAmount, 2L, null, zeroAmount, 2L, overDueSinceDate, zeroAmount, null, null,
+                null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
-        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 2L, null, 2L, overDueSinceDate,
+        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 2L, null, zeroAmount, 2L, overDueSinceDate,
                 installmentPrincipalAmount, null, null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
         Map<Long, CollectionData> installmentsCollection = new HashMap<>();
@@ -369,10 +369,10 @@ public class DelinquencyWritePlatformServiceRangeChangeEventTest {
         LoanScheduleDelinquencyData loanScheduleDelinquencyData = new LoanScheduleDelinquencyData(1L, overDueSinceDate, 1L,
                 loanForProcessing);
 
-        CollectionData collectionData = new CollectionData(zeroAmount, 2L, null, 2L, overDueSinceDate, zeroAmount, null, null, null, null,
-                null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
+        CollectionData collectionData = new CollectionData(zeroAmount, 2L, null, zeroAmount, 2L, overDueSinceDate, zeroAmount, null, null,
+                null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
-        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 2L, null, 2L, overDueSinceDate,
+        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 2L, null, zeroAmount, 2L, overDueSinceDate,
                 installmentPrincipalAmount, null, null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
         Map<Long, CollectionData> installmentsCollection = new HashMap<>();
@@ -446,10 +446,10 @@ public class DelinquencyWritePlatformServiceRangeChangeEventTest {
         LocalDate overDueSinceDate = DateUtils.getBusinessLocalDate().minusDays(29);
         LoanScheduleDelinquencyData loanScheduleDelinquencyData = new LoanScheduleDelinquencyData(1L, overDueSinceDate, 1L,
                 loanForProcessing);
-        CollectionData collectionData = new CollectionData(BigDecimal.ZERO, 29L, null, 29L, overDueSinceDate, zeroAmount, null, null, null,
-                null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
+        CollectionData collectionData = new CollectionData(BigDecimal.ZERO, 29L, null, zeroAmount, 29L, overDueSinceDate, zeroAmount, null,
+                null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
-        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 29L, null, 29L, overDueSinceDate,
+        CollectionData installmentCollectionData = new CollectionData(zeroAmount, 29L, null, zeroAmount, 29L, overDueSinceDate,
                 installmentPrincipalAmount, null, null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
         Map<Long, CollectionData> installmentsCollection = new HashMap<>();
@@ -534,14 +534,14 @@ public class DelinquencyWritePlatformServiceRangeChangeEventTest {
         LocalDate overDueSinceDate = DateUtils.getBusinessLocalDate().minusDays(29);
         LoanScheduleDelinquencyData loanScheduleDelinquencyData = new LoanScheduleDelinquencyData(1L, overDueSinceDate, 1L,
                 loanForProcessing);
-        CollectionData collectionData = new CollectionData(zeroAmount, 29L, null, 29L, overDueSinceDate, zeroAmount, null, null, null, null,
-                null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
+        CollectionData collectionData = new CollectionData(zeroAmount, 29L, null, zeroAmount, 29L, overDueSinceDate, zeroAmount, null, null,
+                null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
-        CollectionData installmentCollectionData_1 = new CollectionData(zeroAmount, 29L, null, 29L, overDueSinceDate,
+        CollectionData installmentCollectionData_1 = new CollectionData(zeroAmount, 29L, null, zeroAmount, 29L, overDueSinceDate,
                 installmentPrincipalAmount, null, null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
-        CollectionData installmentCollectionData_2 = new CollectionData(zeroAmount, 0L, null, 0L, null, installmentPrincipalAmount, null,
-                null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
+        CollectionData installmentCollectionData_2 = new CollectionData(zeroAmount, 0L, null, zeroAmount, 0L, null,
+                installmentPrincipalAmount, null, null, null, null, null, null, zeroAmount, zeroAmount, zeroAmount, zeroAmount);
 
         Map<Long, CollectionData> installmentsCollection = new HashMap<>();
         installmentsCollection.put(1L, installmentCollectionData_1);

integration-tests/src/test/java/org/apache/fineract/integrationtests/BaseLoanIntegrationTest.java

@@ -20,6 +20,7 @@ package org.apache.fineract.integrationtests;
 
 import static java.lang.System.lineSeparator;
 import static org.apache.fineract.integrationtests.BaseLoanIntegrationTest.TransactionProcessingStrategyCode.ADVANCED_PAYMENT_ALLOCATION_STRATEGY;
+import static org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder.DUE_PENALTY_FEE_INTEREST_PRINCIPAL_IN_ADVANCE_PRINCIPAL_PENALTY_FEE_INTEREST_STRATEGY;
 import static org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder.DUE_PENALTY_INTEREST_PRINCIPAL_FEE_IN_ADVANCE_PENALTY_INTEREST_PRINCIPAL_FEE_STRATEGY;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
@@ -318,6 +319,107 @@ public abstract class BaseLoanIntegrationTest extends IntegrationTest {
         return createOnePeriod30DaysPeriodicAccrualProduct((double) 0);
     }
 
+    protected PostLoanProductsRequest create4ICumulative() {
+        final Integer delinquencyBucketId = DelinquencyBucketsHelper.createDelinquencyBucket(requestSpec, responseSpec);
+        Assertions.assertNotNull(delinquencyBucketId);
+
+        return new PostLoanProductsRequest().name(Utils.uniqueRandomStringGenerator("4I_PROGRESSIVE_", 6))//
+                .shortName(Utils.uniqueRandomStringGenerator("", 4))//
+                .description("4 installment product - progressive")//
+                .includeInBorrowerCycle(false)//
+                .useBorrowerCycle(false)//
+                .currencyCode("EUR")//
+                .digitsAfterDecimal(2)//
+                .principal(1000.0)//
+                .minPrincipal(100.0)//
+                .maxPrincipal(10000.0)//
+                .numberOfRepayments(4)//
+                .repaymentEvery(1)//
+                .repaymentFrequencyType(RepaymentFrequencyType.MONTHS_L)//
+                .interestRatePerPeriod(10D)//
+                .minInterestRatePerPeriod(0D)//
+                .maxInterestRatePerPeriod(120D)//
+                .interestRateFrequencyType(InterestRateFrequencyType.YEARS)//
+                .isLinkedToFloatingInterestRates(false)//
+                .isLinkedToFloatingInterestRates(false)//
+                .allowVariableInstallments(false)//
+                .amortizationType(AmortizationType.EQUAL_INSTALLMENTS)//
+                .interestType(InterestType.DECLINING_BALANCE)//
+                .interestCalculationPeriodType(InterestCalculationPeriodType.DAILY)//
+                .allowPartialPeriodInterestCalcualtion(false)//
+                .creditAllocation(List.of())//
+                .overdueDaysForNPA(179)//
+                .daysInMonthType(30)//
+                .daysInYearType(360)//
+                .isInterestRecalculationEnabled(true)//
+                .interestRecalculationCompoundingMethod(0)//
+                .rescheduleStrategyMethod(RescheduleStrategyMethod.RESCHEDULE_NEXT_REPAYMENTS)//
+                .recalculationRestFrequencyType(RecalculationRestFrequencyType.DAILY)//
+                .recalculationRestFrequencyInterval(1)//
+                .isArrearsBasedOnOriginalSchedule(false)//
+                .isCompoundingToBePostedAsTransaction(false)//
+                .preClosureInterestCalculationStrategy(1)//
+                .allowCompoundingOnEod(false)//
+                .canDefineInstallmentAmount(true)//
+                .repaymentStartDateType(1)//
+                .charges(List.of())//
+                .principalVariationsForBorrowerCycle(List.of())//
+                .interestRateVariationsForBorrowerCycle(List.of())//
+                .numberOfRepaymentVariationsForBorrowerCycle(List.of())//
+                .accountingRule(3)//
+                .canUseForTopup(false)//
+                .fundSourceAccountId(fundSource.getAccountID().longValue())//
+                .loanPortfolioAccountId(loansReceivableAccount.getAccountID().longValue())//
+                .transfersInSuspenseAccountId(suspenseAccount.getAccountID().longValue())//
+                .interestOnLoanAccountId(interestIncomeAccount.getAccountID().longValue())//
+                .incomeFromFeeAccountId(feeIncomeAccount.getAccountID().longValue())//
+                .incomeFromPenaltyAccountId(penaltyIncomeAccount.getAccountID().longValue())//
+                .incomeFromRecoveryAccountId(recoveriesAccount.getAccountID().longValue())//
+                .writeOffAccountId(writtenOffAccount.getAccountID().longValue())//
+                .overpaymentLiabilityAccountId(overpaymentAccount.getAccountID().longValue())//
+                .receivableInterestAccountId(interestReceivableAccount.getAccountID().longValue())//
+                .receivableFeeAccountId(feeReceivableAccount.getAccountID().longValue())//
+                .receivablePenaltyAccountId(penaltyReceivableAccount.getAccountID().longValue())//
+                .goodwillCreditAccountId(goodwillExpenseAccount.getAccountID().longValue())//
+                .incomeFromGoodwillCreditInterestAccountId(interestIncomeChargeOffAccount.getAccountID().longValue())//
+                .incomeFromGoodwillCreditFeesAccountId(feeChargeOffAccount.getAccountID().longValue())//
+                .incomeFromGoodwillCreditPenaltyAccountId(feeChargeOffAccount.getAccountID().longValue())//
+                .incomeFromChargeOffInterestAccountId(interestIncomeChargeOffAccount.getAccountID().longValue())//
+                .incomeFromChargeOffFeesAccountId(feeChargeOffAccount.getAccountID().longValue())//
+                .incomeFromChargeOffPenaltyAccountId(penaltyChargeOffAccount.getAccountID().longValue())//
+                .chargeOffExpenseAccountId(chargeOffExpenseAccount.getAccountID().longValue())//
+                .chargeOffFraudExpenseAccountId(chargeOffFraudExpenseAccount.getAccountID().longValue())//
+                .dateFormat(DATETIME_PATTERN)//
+                .locale("en")//
+                .enableAccrualActivityPosting(false)//
+                .multiDisburseLoan(true)//
+                .maxTrancheCount(10)//
+                .outstandingLoanBalance(10000.0)//
+                .disallowExpectedDisbursements(true)//
+                .allowApprovedDisbursedAmountsOverApplied(true)//
+                .overAppliedCalculationType("percentage")//
+                .overAppliedNumber(50)//
+                .principalThresholdForLastInstallment(50)//
+                .holdGuaranteeFunds(false)//
+                .accountMovesOutOfNPAOnlyOnArrearsCompletion(false)//
+                .allowAttributeOverrides(new AllowAttributeOverrides()//
+                        .amortizationType(true)//
+                        .interestType(true)//
+                        .transactionProcessingStrategyCode(true)//
+                        .interestCalculationPeriodType(true)//
+                        .inArrearsTolerance(true)//
+                        .repaymentEvery(true)//
+                        .graceOnPrincipalAndInterestPayment(true)//
+                        .graceOnArrearsAgeing(true)//
+                ).isEqualAmortization(false)//
+                .delinquencyBucketId(delinquencyBucketId.longValue())//
+                .enableDownPayment(false)//
+                .enableInstallmentLevelDelinquency(false)//
+                .transactionProcessingStrategyCode(
+                        LoanProductTestBuilder.DUE_PENALTY_FEE_INTEREST_PRINCIPAL_IN_ADVANCE_PRINCIPAL_PENALTY_FEE_INTEREST_STRATEGY)//
+                .loanScheduleType(LoanScheduleType.CUMULATIVE.toString());//
+    }
+
     protected PostLoanProductsRequest create4IProgressive() {
         final Integer delinquencyBucketId = DelinquencyBucketsHelper.createDelinquencyBucket(requestSpec, responseSpec);
         Assertions.assertNotNull(delinquencyBucketId);
@@ -1076,6 +1178,23 @@ public abstract class BaseLoanIntegrationTest extends IntegrationTest {
         return postLoansRequest;
     }
 
+    protected PostLoansRequest applyCumulativeLoanRequest(Long clientId, Long loanProductId, String loanDisbursementDate, Double amount,
+            Double interestRate, int numberOfRepayments, Consumer<PostLoansRequest> customizer) {
+
+        PostLoansRequest postLoansRequest = new PostLoansRequest().clientId(clientId)
+                .transactionProcessingStrategyCode(DUE_PENALTY_FEE_INTEREST_PRINCIPAL_IN_ADVANCE_PRINCIPAL_PENALTY_FEE_INTEREST_STRATEGY)
+                .productId(loanProductId).expectedDisbursementDate(loanDisbursementDate).dateFormat(DATETIME_PATTERN).locale("en")
+                .submittedOnDate(loanDisbursementDate).amortizationType(1).interestRatePerPeriod(BigDecimal.valueOf(interestRate))
+                .numberOfRepayments(numberOfRepayments).principal(BigDecimal.valueOf(amount)).loanTermFrequency(numberOfRepayments)
+                .repaymentEvery(1).repaymentFrequencyType(RepaymentFrequencyType.MONTHS)
+                .loanTermFrequencyType(RepaymentFrequencyType.MONTHS).interestType(InterestType.DECLINING_BALANCE)
+                .interestCalculationPeriodType(InterestCalculationPeriodType.DAILY).loanType("individual");
+        if (customizer != null) {
+            customizer.accept(postLoansRequest);
+        }
+        return postLoansRequest;
+    }
+
     protected PostLoansRequest applyLP2ProgressiveLoanRequest(Long clientId, Long loanProductId, String loanDisbursementDate, Double amount,
             Double interestRate, int numberOfRepayments, Consumer<PostLoansRequest> customizer) {
 
@@ -1119,6 +1238,17 @@ public abstract class BaseLoanIntegrationTest extends IntegrationTest {
         return approvedLoanResult.getLoanId();
     }
 
+    protected Long applyAndApproveCumulativeLoan(Long clientId, Long loanProductId, String loanDisbursementDate, Double amount,
+            Double interestRate, int numberOfRepayments, Consumer<PostLoansRequest> customizer) {
+        PostLoansResponse postLoansResponse = loanTransactionHelper.applyLoan(applyCumulativeLoanRequest(clientId, loanProductId,
+                loanDisbursementDate, amount, interestRate, numberOfRepayments, customizer));
+
+        PostLoansLoanIdResponse approvedLoanResult = loanTransactionHelper.approveLoan(postLoansResponse.getResourceId(),
+                approveLoanRequest(amount, loanDisbursementDate));
+
+        return approvedLoanResult.getLoanId();
+    }
+
     protected Long applyAndApproveProgressiveLoan(Long clientId, Long loanProductId, String loanDisbursementDate, Double amount,
             Double interestRate, int numberOfRepayments, Consumer<PostLoansRequest> customizer) {
         PostLoansResponse postLoansResponse = loanTransactionHelper.applyLoan(applyLP2ProgressiveLoanRequest(clientId, loanProductId,
@@ -1548,6 +1678,7 @@ public abstract class BaseLoanIntegrationTest extends IntegrationTest {
 
     public static class RescheduleStrategyMethod {
 
+        public static final Integer RESCHEDULE_NEXT_REPAYMENTS = 1;
         public static final Integer REDUCE_EMI_AMOUNT = 3;
         public static final Integer ADJUST_LAST_UNPAID_PERIOD = 4;
     }

integration-tests/src/test/java/org/apache/fineract/integrationtests/LoanNextPaymentDueAmountIntegrationTest.java

@@ -0,0 +1,335 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.integrationtests;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Consumer;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.fineract.avro.loan.v1.LoanAccountDataV1;
+import org.apache.fineract.client.models.GetLoansLoanIdResponse;
+import org.apache.fineract.infrastructure.event.external.data.ExternalEventResponse;
+import org.apache.fineract.integrationtests.common.ClientHelper;
+import org.apache.fineract.integrationtests.common.externalevents.ExternalEventHelper;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class LoanNextPaymentDueAmountIntegrationTest extends BaseLoanIntegrationTest {
+
+    ObjectMapper objectMapper = new ObjectMapper();
+    private static final String LOAN_ACCOUNT_DATA_V_1 = "org.apache.fineract.avro.loan.v1.LoanAccountDataV1";
+
+    @Test
+    void test_progressive_interest_noRecalculation() {
+        externalEventHelper.enableBusinessEvent("LoanApprovedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanBalanceChangedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanDisbursalBusinessEvent");
+        AtomicReference<Long> loanIdRef = new AtomicReference<>();
+        runAt("15 January 2023", () -> {
+
+            Long clientId = ClientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId();
+
+            Long loanProductId = loanProductHelper.createLoanProduct(create4IProgressive().isInterestRecalculationEnabled(false))
+                    .getResourceId();
+
+            Long loanId = applyAndApproveProgressiveLoan(clientId, loanProductId, "01 January 2023", 100.0, 9.9, 4, null);
+            loanIdRef.set(loanId);
+
+            deleteAllExternalEvents();
+            loanTransactionHelper.disburseLoan(loanId, "01 January 2023", 100.0);
+
+            verifyRepaymentSchedule(loanId, //
+                    installment(100.000000, null, "01 January 2023"), //
+                    installment(24.700000, 0.820000, 25.520000, false, "01 February 2023"), //
+                    installment(24.900000, 0.620000, 25.520000, false, "01 March 2023"), //
+                    installment(25.100000, 0.420000, 25.520000, false, "01 April 2023"), //
+                    installment(25.300000, 0.210000, 25.510000, false, "01 May 2023") //
+            );
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-02-01", 25.52d);
+
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("31 January 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("1 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("2 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+    }
+
+    @Test
+    void test_progressive_interest_noRecalculation_prepay() {
+        externalEventHelper.enableBusinessEvent("LoanApprovedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanBalanceChangedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanDisbursalBusinessEvent");
+        AtomicReference<Long> loanIdRef = new AtomicReference<>();
+        runAt("15 January 2023", () -> {
+
+            Long clientId = ClientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId();
+
+            Long loanProductId = loanProductHelper.createLoanProduct(create4IProgressive().isInterestRecalculationEnabled(false))
+                    .getResourceId();
+
+            Long loanId = applyAndApproveProgressiveLoan(clientId, loanProductId, "01 January 2023", 100.0, 9.9, 4, null);
+            loanIdRef.set(loanId);
+
+            deleteAllExternalEvents();
+            loanTransactionHelper.disburseLoan(loanId, "01 January 2023", 100.0);
+
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-02-01", 25.52d);
+
+            deleteAllExternalEvents();
+            addRepaymentForLoan(loanId, 25.52d, "15 January 2023");
+
+            verifyRepaymentSchedule(loanId, //
+                    installment(100.000000, null, "01 January 2023"), //
+                    installment(24.700000, 0.820000, 0.0, true, "01 February 2023"), //
+                    installment(24.900000, 0.620000, 25.520000, false, "01 March 2023"), //
+                    installment(25.100000, 0.420000, 25.520000, false, "01 April 2023"), //
+                    installment(25.300000, 0.210000, 25.510000, false, "01 May 2023") //
+            );
+
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-03-01", 25.52d);
+
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("31 January 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("1 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("2 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("2 March 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+            deleteAllExternalEvents();
+            addRepaymentForLoan(loanId, 25.52d, "02 March 2023");
+
+            verifyRepaymentSchedule(loanId, //
+                    installment(100.000000, null, "01 January 2023"), //
+                    installment(24.700000, 0.820000, 0.0, true, "01 February 2023"), //
+                    installment(24.900000, 0.620000, 0.0, true, "01 March 2023"), //
+                    installment(25.100000, 0.420000, 25.520000, false, "01 April 2023"), //
+                    installment(25.300000, 0.210000, 25.510000, false, "01 May 2023") //
+            );
+
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-04-01", 25.52d);
+
+        });
+    }
+
+    @Test
+    void test_progressive_interest_recalculation_sameAsRepaymentPeriod() {
+        externalEventHelper.enableBusinessEvent("LoanApprovedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanBalanceChangedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanDisbursalBusinessEvent");
+        AtomicReference<Long> loanIdRef = new AtomicReference<>();
+        runAt("15 February 2023", () -> {
+
+            Long clientId = ClientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId();
+
+            Long loanProductId = loanProductHelper
+                    .createLoanProduct(create4IProgressive().isInterestRecalculationEnabled(true).recalculationRestFrequencyInterval(1)
+                            .recalculationRestFrequencyType(RecalculationRestFrequencyType.SAME_AS_REPAYMENT_PERIOD))
+                    .getResourceId();
+
+            Long loanId = applyAndApproveProgressiveLoan(clientId, loanProductId, "01 January 2023", 100.0, 9.9, 4, null);
+            loanIdRef.set(loanId);
+
+            deleteAllExternalEvents();
+            loanTransactionHelper.disburseLoan(loanId, "01 January 2023", 100.0);
+
+            verifyRepaymentSchedule(loanId, //
+                    installment(100.000000, null, "01 January 2023"), //
+                    installment(24.700000, 0.820000, 25.520000, false, "01 February 2023"), //
+                    installment(24.800000, 0.720000, 25.520000, false, "01 March 2023"), //
+                    installment(25.100000, 0.420000, 25.520000, false, "01 April 2023"), //
+                    installment(25.400000, 0.210000, 25.610000, false, "01 May 2023") //
+            );
+
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-02-01", 25.52d);
+
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("31 January 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("1 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("2 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 2, 1), BigDecimal.valueOf(25.52d));
+        });
+    }
+
+    @Test
+    void test_progressive_interest_recalculation_daily() {
+        externalEventHelper.enableBusinessEvent("LoanApprovedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanBalanceChangedBusinessEvent");
+        externalEventHelper.enableBusinessEvent("LoanDisbursalBusinessEvent");
+        AtomicReference<Long> loanIdRef = new AtomicReference<>();
+        runAt("15 February 2023", () -> {
+
+            Long clientId = ClientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId();
+
+            Long loanProductId = loanProductHelper.createLoanProduct(create4IProgressive().isInterestRecalculationEnabled(true)
+                    .interestCalculationPeriodType(InterestCalculationPeriodType.DAILY).recalculationRestFrequencyInterval(1)
+                    .recalculationRestFrequencyType(RecalculationRestFrequencyType.DAILY)).getResourceId();
+
+            Long loanId = applyAndApproveProgressiveLoan(clientId, loanProductId, "01 January 2023", 100.0, 9.9, 4, null);
+
+            loanIdRef.set(loanId);
+
+            deleteAllExternalEvents();
+            loanTransactionHelper.disburseLoan(loanId, "01 January 2023", 100.0);
+
+            verifyRepaymentSchedule(loanId, //
+                    installment(100.000000, null, "01 January 2023"), //
+                    installment(24.700000, 0.820000, 25.520000, false, "01 February 2023"), //
+                    installment(24.800000, 0.720000, 25.520000, false, "01 March 2023"), //
+                    installment(25.100000, 0.420000, 25.520000, false, "01 April 2023"), //
+                    installment(25.400000, 0.210000, 25.610000, false, "01 May 2023") //
+            );
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-02-01", 25.52d);
+
+            deleteAllExternalEvents();
+            addRepaymentForLoan(loanId, 25.52d, "15 January 2023");
+
+            verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount("2023-03-01", 25.52d);
+
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+
+        });
+        runAt("31 January 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("1 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+        runAt("2 February 2023", () -> {
+            Long loanId = loanIdRef.get();
+            inlineLoanCOBHelper.executeInlineCOB(loanId);
+            GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            verifyNextPayment(loanDetails, LocalDate.of(2023, 3, 1), BigDecimal.valueOf(25.52d));
+        });
+
+    }
+
+    /**
+     * verifies that all the external events which has org.apache.fineract.avro.loan.v1.LoanAccountDataV1 types payload
+     * has the correct nextPaymentDueDate and nextPaymentDueAmount
+     *
+     * @param dueDate
+     *            expected due date formatted yyyy-MM-dd format (ie 2023-12-31 )
+     * @param amount
+     *            expected amount
+     */
+    private void verifyAllLoanAccountTypedExternalEventHasNextPaymentDueAmount(String dueDate, Double amount) {
+        List<ExternalEventResponse> allExternalEvents = ExternalEventHelper.getAllExternalEvents(requestSpec, responseSpec);
+        allExternalEvents.stream().filter(e -> LOAN_ACCOUNT_DATA_V_1.equals(e.getSchema()))
+                .forEach(event -> verifyLoanEvent(event, data -> verifyNextPayment(data, dueDate, BigDecimal.valueOf(amount))));
+
+    }
+
+    // utility
+    LoanAccountDataV1 convertLoan(ExternalEventResponse externalEventDTO) {
+        if (LOAN_ACCOUNT_DATA_V_1.equals(externalEventDTO.getSchema())) {
+            return objectMapper.convertValue(externalEventDTO.getPayLoad(), LoanAccountDataV1.class);
+        } else {
+            throw new RuntimeException("Unexpected schema: " + externalEventDTO.getSchema());
+        }
+    }
+
+    void verifyLoanEvent(ExternalEventResponse externalEventDTO, Consumer<LoanAccountDataV1> validator) {
+        validator.accept(convertLoan(externalEventDTO));
+    }
+
+    void verifyNextPayment(LoanAccountDataV1 loanAccountData, String nextPaymentDueDate, BigDecimal nextPaymentAmount) {
+        Assertions.assertNotNull(loanAccountData, "loanDetails should not be null");
+        Assertions.assertNotNull(loanAccountData.getDelinquent(), "loanDetails.delinquent should not be null");
+        String nextPaymentDueDateActual = loanAccountData.getDelinquent().getNextPaymentDueDate();
+        BigDecimal nextPaymentAmountActual = loanAccountData.getDelinquent().getNextPaymentAmount();
+        log.info("Verify ExternalEventResponse nextPaymentDueDate. Expected: {}, Actual: {}", nextPaymentDueDate, nextPaymentDueDateActual);
+        Assertions.assertEquals(nextPaymentDueDate, nextPaymentDueDateActual);
+        log.info("Verify ExternalEventResponse nextPaymentAmount. Expected: {}, Actual: {}", nextPaymentAmount, nextPaymentAmountActual);
+        Assertions.assertEquals(nextPaymentAmount, nextPaymentAmountActual);
+    }
+
+    void verifyNextPayment(GetLoansLoanIdResponse loanDetails, LocalDate nextPaymentDueDate, BigDecimal nextPaymentAmount) {
+        Assertions.assertNotNull(loanDetails, "loanDetails should not be null");
+        Assertions.assertNotNull(loanDetails.getDelinquent(), "loanDetails.delinquent should not be null");
+        LocalDate nextPaymentDueDateActual = loanDetails.getDelinquent().getNextPaymentDueDate();
+        BigDecimal nextPaymentAmountActual = loanDetails.getDelinquent().getNextPaymentAmount();
+        log.info("Verify GetLoansLoanIdResponse nextPaymentDueDate. Expected: {}, Actual: {}", nextPaymentDueDate,
+                nextPaymentDueDateActual);
+        Assertions.assertEquals(nextPaymentDueDate, nextPaymentDueDateActual);
+        log.info("Verify GetLoansLoanIdResponse nextPaymentAmount. Expected: {}, Actual: {}", nextPaymentAmount, nextPaymentAmountActual);
+        Assertions.assertEquals(nextPaymentAmount, nextPaymentAmountActual);
+    }
+}