private TransactionEntity doWithdraw()

in service/src/main/java/org/apache/fineract/cn/deposit/service/internal/service/TransactionService.java [188:227]
32 lines of code
5 McCabe index (conditional complexity)

    private TransactionEntity doWithdraw(@NotNull TransactionRequestData request, @NotNull AccountWrapper accountWrapper,
                                 List<Charge> charges, LocalDateTime transactionDate, String accountId) {
        BigDecimal amount = request.getAmount().getAmount();

        TransactionEntity txn = createTransaction(request, TransactionTypeEnum.WITHDRAWAL, transactionDate, DEBIT,
                null, accountId, accountWrapper.instance);

        String creditAccountIdentifier = accountWrapper.productDefinition.getCashAccountIdentifier();
        /* if subtxn is provided and it has an account configured the do credit that account*/
        if(StringUtils.isNotBlank(request.getSubTxnId())){
            Optional<SubTransactionType> subTxnTypeOpt = this.subTxnTypesService.findByIdentifier(request.getSubTxnId());
            if(subTxnTypeOpt.isPresent()) {
                txn.setSubTxnType(subTxnTypeOpt.get().getIdentifier());
                if (subTxnTypeOpt.get().getLedgerAccount() != null) {
                    creditAccountIdentifier = subTxnTypeOpt.get().getLedgerAccount();
                }
            }else{
                throw ServiceException.notFound("Sub Txn Type {0} not found.", request.getSubTxnId());
            }
        }
        final JournalEntry journalEntry = createJournalEntry(txn.getIdentifier(), TransactionTypeEnum.WITHDRAWAL.getCode(),
                DateConverter.toIsoString(transactionDate), request.getNote(), getLoginUser());

        HashSet<Debtor> debtors = new HashSet<>(1);
        HashSet<Creditor> creditors = new HashSet<>(1);

        addCreditor(creditAccountIdentifier, amount.doubleValue(), creditors);
        addDebtor(accountWrapper.account.getIdentifier(), amount.doubleValue(), debtors);

        prepareCharges(request, accountWrapper, charges, debtors, creditors, txn, accountId);

        if (debtors.isEmpty()) // must be same size as creditors
            throw ServiceException.badRequest("Debit and Credit doesn't match");

        journalEntry.setDebtors(debtors);
        journalEntry.setCreditors(creditors);
        transactionRepository.save(txn);
        ledgerManager.createJournalEntry(journalEntry);
        return txn;
    }