public static Map<String, Object> doAuthorization(
DispatchContext dctx, Map<String, Object> context) {
Delegator delegator = dctx.getDelegator();
String orderId = (String) context.get("orderId");
BigDecimal processAmount = (BigDecimal) context.get("processAmount");
GenericValue payPalPaymentMethod = (GenericValue) context.get("payPalPaymentMethod");
OrderReadHelper orh = new OrderReadHelper(delegator, orderId);
GenericValue payPalConfig =
getPaymentMethodGatewayPayPal(dctx, context, PaymentGatewayServices.AUTH_SERVICE_TYPE);
Locale locale = (Locale) context.get("locale");
NVPEncoder encoder = new NVPEncoder();
encoder.add("METHOD", "DoAuthorization");
encoder.add("TRANSACTIONID", payPalPaymentMethod.getString("transactionId"));
encoder.add("AMT", processAmount.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString());
encoder.add("TRANSACTIONENTITY", "Order");
String currency = (String) context.get("currency");
if (currency == null) {
currency = orh.getCurrency();
}
encoder.add("CURRENCYCODE", currency);
NVPDecoder decoder = null;
try {
decoder = sendNVPRequest(payPalConfig, encoder);
} catch (PayPalException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(e.getMessage());
}
if (decoder == null) {
return ServiceUtil.returnError(
UtilProperties.getMessage(resource, "AccountingPayPalUnknownError", locale));
}
Map<String, Object> result = ServiceUtil.returnSuccess();
Map<String, String> errors = getErrorMessageMap(decoder);
if (UtilValidate.isNotEmpty(errors)) {
result.put("authResult", false);
result.put("authRefNum", "N/A");
result.put("processAmount", BigDecimal.ZERO);
if (errors.size() == 1) {
Map.Entry<String, String> error = errors.entrySet().iterator().next();
result.put("authCode", error.getKey());
result.put("authMessage", error.getValue());
} else {
result.put(
"authMessage",
"Multiple errors occurred, please refer to the gateway response messages");
result.put("internalRespMsgs", errors);
}
} else {
result.put("authResult", true);
result.put("processAmount", new BigDecimal(decoder.get("AMT")));
result.put("authRefNum", decoder.get("TRANSACTIONID"));
}
// TODO: Look into possible PAYMENTSTATUS and PENDINGREASON return codes, it is unclear what
// should be checked for this type of transaction
return result;
}
// Note we're not doing a lot of error checking here as this method is really only used
// to confirm the order with PayPal, the subsequent authorizations will handle any errors
// that may occur.
public static Map<String, Object> doExpressCheckout(
DispatchContext dctx, Map<String, Object> context) {
LocalDispatcher dispatcher = dctx.getDispatcher();
Delegator delegator = dctx.getDelegator();
GenericValue userLogin = (GenericValue) context.get("userLogin");
GenericValue paymentPref = (GenericValue) context.get("orderPaymentPreference");
OrderReadHelper orh = new OrderReadHelper(delegator, paymentPref.getString("orderId"));
Locale locale = (Locale) context.get("locale");
GenericValue payPalPaymentSetting = getPaymentMethodGatewayPayPal(dctx, context, null);
GenericValue payPalPaymentMethod = null;
try {
payPalPaymentMethod = paymentPref.getRelatedOne("PaymentMethod", false);
payPalPaymentMethod = payPalPaymentMethod.getRelatedOne("PayPalPaymentMethod", false);
} catch (GenericEntityException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(e.getMessage());
}
BigDecimal processAmount = paymentPref.getBigDecimal("maxAmount");
NVPEncoder encoder = new NVPEncoder();
encoder.add("METHOD", "DoExpressCheckoutPayment");
encoder.add("TOKEN", payPalPaymentMethod.getString("expressCheckoutToken"));
encoder.add("PAYMENTACTION", "Order");
encoder.add("PAYERID", payPalPaymentMethod.getString("payerId"));
// set the amount
encoder.add("AMT", processAmount.setScale(2).toPlainString());
encoder.add("CURRENCYCODE", orh.getCurrency());
BigDecimal grandTotal = orh.getOrderGrandTotal();
BigDecimal shippingTotal = orh.getShippingTotal().setScale(2, BigDecimal.ROUND_HALF_UP);
BigDecimal taxTotal = orh.getTaxTotal().setScale(2, BigDecimal.ROUND_HALF_UP);
BigDecimal subTotal =
grandTotal.subtract(shippingTotal).subtract(taxTotal).setScale(2, BigDecimal.ROUND_HALF_UP);
encoder.add("ITEMAMT", subTotal.toPlainString());
encoder.add("SHIPPINGAMT", shippingTotal.toPlainString());
encoder.add("TAXAMT", taxTotal.toPlainString());
NVPDecoder decoder = null;
try {
decoder = sendNVPRequest(payPalPaymentSetting, encoder);
} catch (PayPalException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(e.getMessage());
}
if (decoder == null) {
return ServiceUtil.returnError(
UtilProperties.getMessage(resource, "AccountingPayPalUnknownError", locale));
}
Map<String, String> errorMessages = getErrorMessageMap(decoder);
if (UtilValidate.isNotEmpty(errorMessages)) {
if (errorMessages.containsKey("10417")) {
// "The transaction cannot complete successfully, Instruct the customer to use an
// alternative payment method"
// I've only encountered this once and there's no indication of the cause so the temporary
// solution is to try again
boolean retry = context.get("_RETRY_") == null || (Boolean) context.get("_RETRY_");
if (retry) {
context.put("_RETRY_", false);
return PayPalServices.doExpressCheckout(dctx, context);
}
}
return ServiceUtil.returnError(UtilMisc.toList(errorMessages.values()));
}
Map<String, Object> inMap = FastMap.newInstance();
inMap.put("userLogin", userLogin);
inMap.put("paymentMethodId", payPalPaymentMethod.get("paymentMethodId"));
inMap.put("transactionId", decoder.get("TRANSACTIONID"));
Map<String, Object> outMap = null;
try {
outMap = dispatcher.runSync("updatePayPalPaymentMethod", inMap);
} catch (GenericServiceException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(e.getMessage());
}
if (ServiceUtil.isError(outMap)) {
Debug.logError(ServiceUtil.getErrorMessage(outMap), module);
return outMap;
}
return ServiceUtil.returnSuccess();
}
