mariiaKraievska commented on code in PR #5760:
URL: https://github.com/apache/fineract/pull/5760#discussion_r3079906130


##########
fineract-working-capital-loan/src/main/java/org/apache/fineract/portfolio/workingcapitalloan/service/WorkingCapitalLoanWritePlatformServiceImpl.java:
##########
@@ -415,6 +418,77 @@ public CommandProcessingResult updateDiscount(final Long 
loanId, final JsonComma
                 .withLoanId(loanId).with(changes).build();
     }
 
+    @Override
+    public CommandProcessingResult makeRepayment(final Long loanId, final 
JsonCommand command) {
+        final WorkingCapitalLoan loan = this.loanRepository.findById(loanId)
+                .orElseThrow(() -> new 
WorkingCapitalLoanNotFoundException(loanId));
+        this.validator.validateRepayment(command.json(), loan);
+
+        if (loan.getLoanStatus() != LoanStatus.ACTIVE && loan.getLoanStatus() 
!= LoanStatus.OVERPAID) {
+            throw new 
PlatformApiDataValidationException("validation.msg.wc.loan.transition.not.allowed",
+                    "Repayment is allowed only for active/overpaid loans", 
"loanStatus");
+        }
+
+        final LocalDate transactionDate = 
command.localDateValueOfParameterNamed(WorkingCapitalLoanConstants.transactionDateParamName);
+        final BigDecimal transactionAmount = this.fromApiJsonHelper
+                
.extractBigDecimalNamed(WorkingCapitalLoanConstants.transactionAmountParamName, 
command.parsedJson(), new HashSet<>());
+        final Map<String, Object> changes = new LinkedHashMap<>();
+        changes.put(WorkingCapitalLoanConstants.transactionDateParamName, 
transactionDate);
+        changes.put(WorkingCapitalLoanConstants.transactionAmountParamName, 
transactionAmount);
+        final PaymentDetail paymentDetail = 
createAndPersistPaymentDetailFromCommand(command, changes);
+
+        final Long classificationId = 
command.longValueOfParameterNamed(WorkingCapitalLoanConstants.classificationIdParamName);
+        final CodeValue classification = classificationId != null
+                ? 
codeValueRepository.findByCodeNameAndId(WorkingCapitalLoanConstants.REPAYMENT_CLASSIFICATION_CODE_NAME,
 classificationId)
+                : null;
+        changes.put(WorkingCapitalLoanConstants.classificationIdParamName, 
classificationId);
+
+        final ExternalId txnExternalId = 
this.externalIdFactory.createFromCommand(command,
+                WorkingCapitalLoanConstants.externalIdParameterName);
+        final WorkingCapitalLoanTransaction repaymentTransaction = 
WorkingCapitalLoanTransaction.repayment(loan, transactionAmount,
+                paymentDetail, transactionDate, classification, txnExternalId);
+        this.transactionRepository.saveAndFlush(repaymentTransaction);
+
+        final WorkingCapitalLoanTransactionAllocation allocation = 
WorkingCapitalLoanTransactionAllocation
+                .forPrincipalAllocation(repaymentTransaction, 
transactionAmount);
+        this.allocationRepository.saveAndFlush(allocation);
+
+        final RepaymentAmortizationData amortizationData = 
amortizationScheduleWriteService.applyRepayment(loan, transactionDate,
+                transactionAmount);
+        updateBalanceOnRepayment(loan, transactionAmount, amortizationData);
+        internalWorkingCapitalLoanPaymentService.makePayment(loanId, 
transactionAmount, transactionDate);
+
+        if (loan.getBalance() != null && 
loan.getBalance().getPrincipalOutstanding() != null) {

Review Comment:
   Done



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