protected BigDecimal getTotalRevenue(NewInvoiceContext invoice) {
// calculate TOTAL to include result lines
invoice.calculateTotal();
BigDecimal invoiceAmountSum = invoice.getTotal();
// Remove CARRIED BALANCE from tax calculation to avoid double taxation
LOG.debug("Carried balance is %s", invoice.getCarriedBalance());
if (null != invoice.getCarriedBalance()) {
invoiceAmountSum = invoiceAmountSum.subtract(invoice.getCarriedBalance());
}
// Remove TAX ITEMS from Invoice to avoid calculating tax on tax
for (int i = 0; i < invoice.getResultLines().size(); i++) {
InvoiceLineDTO invoiceLine = (InvoiceLineDTO) invoice.getResultLines().get(i);
if (null != invoiceLine.getInvoiceLineType()
&& invoiceLine.getInvoiceLineType().getId() == ServerConstants.INVOICE_LINE_TYPE_TAX) {
invoiceAmountSum = invoiceAmountSum.subtract(invoiceLine.getAmount());
}
}
return invoiceAmountSum;
}
/**
* Creates a Suretax request from inputs from the invoice.
*
* @param invoice Invoice for which tax lines need to be calculated.
* @return Returns instance of com.sapienter.jbilling.client.suretax.request.SuretaxRequest
* @throws TaskException
*/
private SuretaxRequest getAssembledRequest(NewInvoiceContext invoice, Integer userId)
throws TaskException {
// Construct a suretax request to get the tax lines.
SuretaxRequest suretaxRequest = new SuretaxRequest();
// Get the pluggable task parameters here.
String clientNumber = getParameter(CLIENT_NUMBER, "");
String validationKey = getParameter(VALIDATION_KEY, "");
String responseGroup = getParameter(RESPONSE_GROUP, "03");
String responseType = getParameter(RESPONSE_TYPE, "D");
String numberOfDecimals = getParameter(NUMBER_OF_DECIMAL, "2");
Integer dataYear = null;
Integer dataMonth = null;
try {
dataYear = getParameter(DATA_YEAR, Calendar.getInstance().get(Calendar.YEAR));
dataMonth = getParameter(DATA_MONTH, Calendar.getInstance().get(Calendar.MONTH) + 1);
} catch (PluggableTaskException e) {
LOG.debug("Exception while retrieving Data Year or Data Month");
}
suretaxRequest.setClientNumber(clientNumber);
suretaxRequest.setValidationKey(validationKey);
String uniqueTrackingCode = System.currentTimeMillis() + "";
suretaxRequest.setClientTracking(uniqueTrackingCode);
suretaxRequest.setDataMonth(dataMonth.toString());
suretaxRequest.setDataYear(dataYear.toString());
suretaxRequest.setIndustryExemption("");
suretaxRequest.setBusinessUnit("");
suretaxRequest.setResponseGroup(responseGroup);
suretaxRequest.setResponseType(responseType + numberOfDecimals);
suretaxRequest.setReturnFileCode("0");
suretaxRequest.setTotalRevenue(getTotalRevenue(invoice).floatValue());
List<LineItem> itemList = new ArrayList<LineItem>();
for (InvoiceLineDTO invoiceLine : (List<InvoiceLineDTO>) invoice.getResultLines()) {
if (invoiceLine.getInvoiceLineType().getId()
!= ServerConstants.INVOICE_LINE_TYPE_TAX.intValue()) {
LOG.debug("Populating itemlist for invoice line: %s", invoiceLine);
itemList.add(
getLineItem(invoiceLine.getItem().getId(), invoiceLine, uniqueTrackingCode, userId));
}
}
suretaxRequest.setItemList(itemList);
return suretaxRequest;
}