FINERACT-1981: fix post maturity charge removed by cob on progressive loan

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

@@ -29,6 +29,7 @@ import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanCharge;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleDTO;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleModel;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 
 @RequiredArgsConstructor
 public class LoanScheduleService {
@@ -98,7 +99,8 @@ public class LoanScheduleService {
         for (final LoanCharge loanCharge : charges) {
             if (!loanCharge.isDueAtDisbursement()) {
                 loan.updateOverdueScheduleInstallment(loanCharge);
-                if (loanCharge.getDueLocalDate() == null || !DateUtils.isBefore(lastRepaymentDate, loanCharge.getDueLocalDate())) {
+                if (loanCharge.getDueLocalDate() == null || (!DateUtils.isBefore(lastRepaymentDate, loanCharge.getDueLocalDate())
+                        || loan.getLoanProductRelatedDetail().getLoanScheduleType().equals(LoanScheduleType.PROGRESSIVE))) {
                     if ((loanCharge.isInstalmentFee() || !loanCharge.isWaived()) && (loanCharge.getDueLocalDate() == null
                             || !DateUtils.isAfter(lastTransactionDate, loanCharge.getDueLocalDate()))) {
                         loanChargeService.recalculateLoanCharge(loan, loanCharge, generatorDTO.getPenaltyWaitPeriod());

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

@@ -1004,6 +1004,12 @@ public abstract class BaseLoanIntegrationTest {
         return ChargesHelper.createLoanCharge(requestSpec, responseSpec, payload);
     }
 
+    protected PostChargesResponse createCharge(Double amount, String currencyCode) {
+        String payload = ChargesHelper.getLoanSpecifiedDueDateJSON(ChargesHelper.CHARGE_CALCULATION_TYPE_FLAT, amount.toString(), false,
+                currencyCode);
+        return ChargesHelper.createLoanCharge(requestSpec, responseSpec, payload);
+    }
+
     protected PostLoansLoanIdChargesResponse addLoanCharge(Long loanId, Long chargeId, String date, Double amount) {
         String payload = LoanTransactionHelper.getSpecifiedDueDateChargesForLoanAsJSON(chargeId.toString(), date, amount.toString());
         return loanTransactionHelper.addChargeForLoan(loanId.intValue(), payload, responseSpec);

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

@@ -0,0 +1,68 @@
+/**
+ * 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 java.math.BigDecimal;
+import java.time.LocalDate;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.fineract.client.models.GetLoansLoanIdResponse;
+import org.apache.fineract.client.models.PostChargesResponse;
+import org.apache.fineract.client.models.PostLoanProductsResponse;
+import org.apache.fineract.client.models.PostLoansResponse;
+import org.apache.fineract.integrationtests.common.ClientHelper;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class LoanChargeProgressiveTest extends BaseLoanIntegrationTest {
+
+    private Long clientId;
+    private Long loanId;
+
+    // create client, progressive loan product, loan with disburse limit 1000 for the client,
+    // and disburse 250 on 01 June 2024
+    @BeforeEach
+    public void beforeEach() {
+        runAt("01 June 2024", () -> {
+            clientId = clientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId();
+            final PostLoanProductsResponse loanProductsResponse = loanProductHelper.createLoanProduct(create4IProgressive());
+            PostLoansResponse postLoansResponse = loanTransactionHelper.applyLoan(
+                    applyLP2ProgressiveLoanRequest(clientId, loanProductsResponse.getResourceId(), "01 June 2024", 1000.0, 10.0, 4, null));
+            loanId = postLoansResponse.getLoanId();
+            loanTransactionHelper.approveLoan(loanId, approveLoanRequest(1000.0, "01 June 2024"));
+            disburseLoan(loanId, BigDecimal.valueOf(250.0), "01 June 2024");
+        });
+    }
+
+    @Test
+    public void loanChargeAfterMaturityTest() {
+        runAt("02 October 2024", () -> {
+            final PostChargesResponse chargeResponse = createCharge(20.0d, "EUR");
+            addLoanCharge(loanId, chargeResponse.getResourceId(), "02 October 2024", 20.0d);
+
+            final GetLoansLoanIdResponse loanDetails = loanTransactionHelper.getLoanDetails(loanId);
+            validateRepaymentPeriod(loanDetails, 5, LocalDate.of(2024, 10, 2), 0, 20, 0, 0);
+
+            executeInlineCOB(loanId);
+
+            final GetLoansLoanIdResponse loanDetails2 = loanTransactionHelper.getLoanDetails(loanId);
+            validateRepaymentPeriod(loanDetails2, 5, LocalDate.of(2024, 10, 2), 0, 20, 0, 0);
+        });
+    }
+}

integration-tests/src/test/java/org/apache/fineract/integrationtests/common/charges/ChargesHelper.java

@@ -223,14 +223,25 @@ public final class ChargesHelper extends IntegrationTest {
         return getLoanSpecifiedDueDateJSON(chargeCalculationType, amount, penalty, ChargesHelper.CHARGE_PAYMENT_MODE_REGULAR);
     }
 
+    public static String getLoanSpecifiedDueDateJSON(final Integer chargeCalculationType, final String amount, boolean penalty,
+            String currencyCode) {
+        return getLoanSpecifiedDueDateJSON(chargeCalculationType, amount, penalty, ChargesHelper.CHARGE_PAYMENT_MODE_REGULAR, currencyCode);
+    }
+
     public static String getLoanSpecifiedDueDateJSON(final Integer chargeCalculationType, final String amount, final boolean penalty,
             final Integer paymentMode) {
+        return getLoanSpecifiedDueDateJSON(chargeCalculationType, amount, penalty, paymentMode, ChargesHelper.CURRENCY_CODE);
+    }
+
+    public static String getLoanSpecifiedDueDateJSON(final Integer chargeCalculationType, final String amount, final boolean penalty,
+            final Integer paymentMode, final String currencyCode) {
         final HashMap<String, Object> map = populateDefaultsForLoan();
         map.put("chargeTimeType", CHARGE_SPECIFIED_DUE_DATE);
         map.put("chargePaymentMode", paymentMode);
         map.put("penalty", penalty);
         map.put("amount", amount);
         map.put("chargeCalculationType", chargeCalculationType);
+        map.put("currencyCode", currencyCode);
 
         String chargesCreateJson = new Gson().toJson(map);
         LOG.info("{}", chargesCreateJson);