FINERACT-1573 Credit Balance Refund - cater for cash accounting

fineract-provider/src/main/java/org/apache/fineract/accounting/journalentry/service/CashBasedAccountingProcessorForLoan.java

@@ -77,6 +77,12 @@ public class CashBasedAccountingProcessorForLoan implements AccountingProcessorF
             else if (loanTransactionDTO.getTransactionType().isRefund()) {
                 createJournalEntriesForRefund(loanDTO, loanTransactionDTO, office);
             }
+
+            /** Logic for Credit Balance Refunds **/
+            else if (loanTransactionDTO.getTransactionType().isCreditBalanceRefund()) {
+                createJournalEntriesForCreditBalanceRefund(loanDTO, loanTransactionDTO, office);
+            }
+
             /***
              * Only principal write off affects cash based accounting (interest and fee write off need not be
              * considered). Debit losses written off and credit Loan Portfolio
@@ -307,6 +313,25 @@ public class CashBasedAccountingProcessorForLoan implements AccountingProcessorF
         }
     }
 
+    private void createJournalEntriesForCreditBalanceRefund(final LoanDTO loanDTO, final LoanTransactionDTO loanTransactionDTO,
+            final Office office) {
+        // loan properties
+        final Long loanProductId = loanDTO.getLoanProductId();
+        final Long loanId = loanDTO.getLoanId();
+        final String currencyCode = loanDTO.getCurrencyCode();
+
+        // transaction properties
+        final String transactionId = loanTransactionDTO.getTransactionId();
+        final Date transactionDate = loanTransactionDTO.getTransactionDate();
+        final BigDecimal refundAmount = loanTransactionDTO.getAmount();
+        final boolean isReversal = loanTransactionDTO.isReversed();
+        final Long paymentTypeId = loanTransactionDTO.getPaymentTypeId();
+
+        this.helper.createCashBasedJournalEntriesAndReversalsForLoan(office, currencyCode, CashAccountsForLoan.LOAN_PORTFOLIO.getValue(),
+                CashAccountsForLoan.OVERPAYMENT.getValue(), loanProductId, paymentTypeId, loanId, transactionId, transactionDate,
+                refundAmount, isReversal);
+    }
+
     private void createJournalEntriesForRefundForActiveLoan(LoanDTO loanDTO, LoanTransactionDTO loanTransactionDTO, Office office) {
         // loan properties
         final Long loanProductId = loanDTO.getLoanProductId();