FINERACT-2082: New Transaction Type - Interest Payment Waiver

fineract-loan/src/main/java/org/apache/fineract/infrastructure/event/business/domain/loan/transaction/LoanTransactionInterestPaymentWaiverPostBusinessEvent.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.infrastructure.event.business.domain.loan.transaction;
+
+import org.apache.fineract.portfolio.loanaccount.domain.LoanTransaction;
+
+public class LoanTransactionInterestPaymentWaiverPostBusinessEvent extends LoanTransactionBusinessEvent {
+
+    private static final String TYPE = "LoanTransactionInterestPaymentWaiverPostBusinessEvent";
+
+    public LoanTransactionInterestPaymentWaiverPostBusinessEvent(LoanTransaction value) {
+        super(value);
+    }
+
+    @Override
+    public String getType() {
+        return TYPE;
+    }
+}

fineract-loan/src/main/java/org/apache/fineract/infrastructure/event/business/domain/loan/transaction/LoanTransactionInterestPaymentWaiverPreBusinessEvent.java

@@ -0,0 +1,36 @@
+/**
+ * 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.infrastructure.event.business.domain.loan.transaction;
+
+import org.apache.fineract.infrastructure.event.business.domain.loan.LoanBusinessEvent;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+
+public class LoanTransactionInterestPaymentWaiverPreBusinessEvent extends LoanBusinessEvent {
+
+    private static final String TYPE = "LoanTransactionInterestPaymentWaiverPreBusinessEvent";
+
+    public LoanTransactionInterestPaymentWaiverPreBusinessEvent(Loan value) {
+        super(value);
+    }
+
+    @Override
+    public String getType() {
+        return TYPE;
+    }
+}

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

@@ -37,6 +37,7 @@ public class LoanTransactionEnumData {
     private final boolean merchantIssuedRefund;
     private final boolean payoutRefund;
     private final boolean goodwillCredit;
+    private final boolean interestPaymentWaiver;
     private final boolean chargeRefund;
     private final boolean contra;
     private final boolean waiveInterest;
@@ -88,6 +89,7 @@ public class LoanTransactionEnumData {
         this.chargeAdjustment = Long.valueOf(26).equals(this.id);
         this.chargeoff = Long.valueOf(27).equals(this.id);
         this.downPayment = Long.valueOf(28).equals(this.id);
+        this.interestPaymentWaiver = Long.valueOf(31).equals(this.id);
         this.reAge = Long.valueOf(LoanTransactionType.REAGE.getValue()).equals(this.id);
         this.reAmortize = Long.valueOf(LoanTransactionType.REAMORTIZE.getValue()).equals(this.id);
     }

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

@@ -1387,7 +1387,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         }
     }
 
-    private void updateLoanSummaryDerivedFields() {
+    public void updateLoanSummaryDerivedFields() {
         if (isNotDisbursed()) {
             this.summary.zeroFields();
             this.totalOverpaid = null;
@@ -2586,9 +2586,10 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
     }
 
     private void validateRepaymentTypeAccountStatus(LoanTransaction repaymentTransaction, LoanEvent event) {
-        if (repaymentTransaction.isGoodwillCredit() || repaymentTransaction.isMerchantIssuedRefund()
-                || repaymentTransaction.isPayoutRefund() || repaymentTransaction.isChargeRefund() || repaymentTransaction.isRepayment()
-                || repaymentTransaction.isDownPayment()) {
+        if (repaymentTransaction.isGoodwillCredit() || repaymentTransaction.isInterestPaymentWaiver()
+                || repaymentTransaction.isMerchantIssuedRefund() || repaymentTransaction.isPayoutRefund()
+                || repaymentTransaction.isChargeRefund() || repaymentTransaction.isRepayment() || repaymentTransaction.isDownPayment()) {
+
             if (!(isOpen() || isClosedObligationsMet() || isOverPaid())) {
                 final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
                 final String defaultUserMessage = "Loan must be Active, Fully Paid or Overpaid";
@@ -2799,7 +2800,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         return loanTransactionDate;
     }
 
-    private LoanRepaymentScheduleInstallment fetchLoanRepaymentScheduleInstallment(LocalDate dueDate) {
+    public LoanRepaymentScheduleInstallment fetchLoanRepaymentScheduleInstallment(LocalDate dueDate) {
         return getRepaymentScheduleInstallments().stream() //
                 .filter(installment -> dueDate.equals(installment.getDueDate())).findFirst() //
                 .orElse(null);
@@ -2887,7 +2888,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         processIncomeAccrualTransactionOnLoanClosure();
     }
 
-    private void processIncomeAccrualTransactionOnLoanClosure() {
+    public void processIncomeAccrualTransactionOnLoanClosure() {
         if (this.loanInterestRecalculationDetails != null && this.loanInterestRecalculationDetails.isCompoundingToBePostedAsTransaction()
                 && this.getStatus().isClosedObligationsMet() && !isNpa() && !isChargedOff()) {
 
@@ -3161,7 +3162,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
                 .orElse(null);
     }
 
-    private boolean isOverPaid() {
+    public boolean isOverPaid() {
         return calculateTotalOverpayment().isGreaterThanZero();
     }
 
@@ -3209,7 +3210,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         return getTotalRecoveredPayments();
     }
 
-    private MonetaryCurrency loanCurrency() {
+    public MonetaryCurrency loanCurrency() {
         return this.loanRepaymentScheduleDetail.getCurrency();
     }
 
@@ -3479,7 +3480,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         return getStatus().isClosed() || isCancelled();
     }
 
-    private boolean isClosedObligationsMet() {
+    public boolean isClosedObligationsMet() {
         return getStatus().isClosedObligationsMet();
     }
 
@@ -6024,7 +6025,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom<Long> {
         }
     }
 
-    private boolean isForeclosure() {
+    public boolean isForeclosure() {
         boolean isForeClosure = false;
         if (this.loanSubStatus != null) {
             isForeClosure = LoanSubStatus.fromInt(loanSubStatus).isForeclosed();

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

@@ -580,11 +580,12 @@ public class LoanTransaction extends AbstractAuditableWithUTCDateTimeCustom<Long
 
     public boolean isRepaymentLikeType() {
         return isRepayment() || isMerchantIssuedRefund() || isPayoutRefund() || isGoodwillCredit() || isChargeRefund()
-                || isChargeAdjustment() || isDownPayment();
+                || isChargeAdjustment() || isDownPayment() || isInterestPaymentWaiver();
     }
 
     public boolean isTypeAllowedForChargeback() {
-        return isRepayment() || isMerchantIssuedRefund() || isPayoutRefund() || isGoodwillCredit() || isDownPayment();
+        return isRepayment() || isMerchantIssuedRefund() || isPayoutRefund() || isGoodwillCredit() || isDownPayment()
+                || isInterestPaymentWaiver();
     }
 
     public boolean isRepayment() {
@@ -607,6 +608,10 @@ public class LoanTransaction extends AbstractAuditableWithUTCDateTimeCustom<Long
         return LoanTransactionType.GOODWILL_CREDIT.equals(getTypeOf()) && isNotReversed();
     }
 
+    public boolean isInterestPaymentWaiver() {
+        return LoanTransactionType.INTEREST_PAYMENT_WAIVER.equals(getTypeOf()) && isNotReversed();
+    }
+
     public boolean isChargeRefund() {
         return LoanTransactionType.CHARGE_REFUND.equals(getTypeOf()) && isNotReversed();
     }

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

@@ -63,6 +63,7 @@ public enum LoanTransactionType {
     DOWN_PAYMENT(28, "loanTransactionType.downPayment"), //
     REAGE(29, "loanTransactionType.reAge"), //
     REAMORTIZE(30, "loanTransactionType.reAmortize"), //
+    INTEREST_PAYMENT_WAIVER(31, "loanTransactionType.interestPaymentWaiver"), //
     ;
 
     private final Integer value;
@@ -109,6 +110,7 @@ public enum LoanTransactionType {
             case 28 -> LoanTransactionType.DOWN_PAYMENT;
             case 29 -> LoanTransactionType.REAGE;
             case 30 -> LoanTransactionType.REAMORTIZE;
+            case 31 -> LoanTransactionType.INTEREST_PAYMENT_WAIVER;
             default -> LoanTransactionType.INVALID;
         };
     }
@@ -133,6 +135,10 @@ public enum LoanTransactionType {
         return this.equals(LoanTransactionType.REPAYMENT);
     }
 
+    public boolean isInterestPaymentWaiver() {
+        return this.equals(LoanTransactionType.INTEREST_PAYMENT_WAIVER);
+    }
+
     public boolean isMerchantIssuedRefund() {
         return this.equals(LoanTransactionType.MERCHANT_ISSUED_REFUND);
     }
@@ -150,7 +156,8 @@ public enum LoanTransactionType {
     }
 
     public boolean isRepaymentType() {
-        return (isRepayment() || isMerchantIssuedRefund() || isPayoutRefund() || isGoodwillCredit() || isChargeRefund() || isDownPayment());
+        return (isRepayment() || isMerchantIssuedRefund() || isPayoutRefund() || isGoodwillCredit() || isChargeRefund() || isDownPayment()
+                || isInterestPaymentWaiver());
     }
 
     public boolean isRecoveryRepayment() {

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

@@ -52,6 +52,9 @@ public interface LoanWritePlatformService {
     CommandProcessingResult makeLoanRepaymentWithChargeRefundChargeType(LoanTransactionType repaymentTransactionType, Long loanId,
             JsonCommand command, boolean isRecoveryRepayment, String chargeRefundChargeType);
 
+    @Transactional
+    CommandProcessingResult makeInterestPaymentWaiver(JsonCommand command);
+
     Map<String, Object> makeLoanBulkRepayment(CollectionSheetBulkRepaymentCommand bulkRepaymentCommand);
 
     CommandProcessingResult adjustLoanTransaction(Long loanId, Long transactionId, JsonCommand command);

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/PaymentAllocationTransactionType.java

@@ -40,7 +40,8 @@ public enum PaymentAllocationTransactionType {
     CHARGE_ADJUSTMENT(LoanTransactionType.CHARGE_ADJUSTMENT, "Charge adjustment"), //
     WAIVE_INTEREST(LoanTransactionType.WAIVE_INTEREST, "Waive interest"), //
     CHARGE_PAYMENT(LoanTransactionType.CHARGE_PAYMENT, "Charge payment"), //
-    REFUND_FOR_ACTIVE_LOAN(LoanTransactionType.REFUND_FOR_ACTIVE_LOAN, "Refund for active loan");
+    REFUND_FOR_ACTIVE_LOAN(LoanTransactionType.REFUND_FOR_ACTIVE_LOAN, "Refund for active loan"), //
+    INTEREST_PAYMENT_WAIVER(LoanTransactionType.INTEREST_PAYMENT_WAIVER, "Interest payment waiver");
 
     private final LoanTransactionType loanTransactionType;
     private final String humanReadableName;

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/service/LoanEnumerations.java

@@ -303,6 +303,8 @@ public final class LoanEnumerations {
                     LoanTransactionType.PAYOUT_REFUND.getCode(), "Payout Refund");
             case GOODWILL_CREDIT -> new LoanTransactionEnumData(LoanTransactionType.GOODWILL_CREDIT.getValue().longValue(),
                     LoanTransactionType.GOODWILL_CREDIT.getCode(), "Goodwill Credit");
+            case INTEREST_PAYMENT_WAIVER -> new LoanTransactionEnumData(LoanTransactionType.INTEREST_PAYMENT_WAIVER.getValue().longValue(),
+                    LoanTransactionType.INTEREST_PAYMENT_WAIVER.getCode(), "Interest Payment Waiver");
             case CHARGE_REFUND -> new LoanTransactionEnumData(LoanTransactionType.CHARGE_REFUND.getValue().longValue(),
                     LoanTransactionType.CHARGE_REFUND.getCode(), "Charge Refund");
             case CHARGEBACK -> new LoanTransactionEnumData(LoanTransactionType.CHARGEBACK.getValue().longValue(),