private static void addCartDetails(NVPEncoder encoder, ShoppingCart cart)
throws GenericEntityException {
encoder.add("CURRENCYCODE", cart.getCurrency());
int line = 0;
for (ShoppingCartItem item : cart.items()) {
encoder.add("L_NUMBER" + line, item.getProductId());
encoder.add("L_NAME" + line, item.getName());
encoder.add(
"L_AMT" + line,
item.getBasePrice().setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString());
encoder.add("L_QTY" + line, item.getQuantity().toBigInteger().toString());
line++;
BigDecimal otherAdjustments = item.getOtherAdjustments();
if (otherAdjustments.compareTo(BigDecimal.ZERO) != 0) {
encoder.add("L_NUMBER" + line, item.getProductId());
encoder.add("L_NAME" + line, item.getName() + " Adjustments");
encoder.add(
"L_AMT" + line, otherAdjustments.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString());
encoder.add("L_QTY" + line, "1");
line++;
}
}
BigDecimal otherAdjustments = cart.getOrderOtherAdjustmentTotal();
if (otherAdjustments.compareTo(BigDecimal.ZERO) != 0) {
encoder.add("L_NUMBER" + line, "N/A");
encoder.add("L_NAME" + line, "Order Adjustments");
encoder.add(
"L_AMT" + line, otherAdjustments.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString());
encoder.add("L_QTY" + line, "1");
line++;
}
encoder.add("ITEMAMT", cart.getSubTotal().add(otherAdjustments).setScale(2).toPlainString());
encoder.add("SHIPPINGAMT", "0.00");
encoder.add("TAXAMT", "0.00");
encoder.add("AMT", cart.getSubTotal().add(otherAdjustments).setScale(2).toPlainString());
// NOTE: The docs say this is optional but then won't work without it
encoder.add("MAXAMT", cart.getSubTotal().add(otherAdjustments).setScale(2).toPlainString());
}
public static Map<String, Object> setExpressCheckout(
DispatchContext dctx, Map<String, ? extends Object> context) {
ShoppingCart cart = (ShoppingCart) context.get("cart");
Locale locale = cart.getLocale();
if (cart == null || cart.items().size() <= 0) {
return ServiceUtil.returnError(
UtilProperties.getMessage(resource, "AccountingPayPalShoppingCartIsEmpty", locale));
}
GenericValue payPalConfig = getPaymentMethodGatewayPayPal(dctx, context, null);
if (payPalConfig == null) {
return ServiceUtil.returnError(
UtilProperties.getMessage(
resource, "AccountingPayPalPaymentGatewayConfigCannotFind", locale));
}
NVPEncoder encoder = new NVPEncoder();
// Set Express Checkout Request Parameters
encoder.add("METHOD", "SetExpressCheckout");
String token = (String) cart.getAttribute("payPalCheckoutToken");
if (UtilValidate.isNotEmpty(token)) {
encoder.add("TOKEN", token);
}
encoder.add("RETURNURL", payPalConfig.getString("returnUrl"));
encoder.add("CANCELURL", payPalConfig.getString("cancelReturnUrl"));
if (!cart.shippingApplies()) {
encoder.add("NOSHIPPING", "1");
} else {
encoder.add("CALLBACK", payPalConfig.getString("shippingCallbackUrl"));
encoder.add("CALLBACKTIMEOUT", "6");
// Default to no
String reqConfirmShipping =
"Y".equals(payPalConfig.getString("requireConfirmedShipping")) ? "1" : "0";
encoder.add("REQCONFIRMSHIPPING", reqConfirmShipping);
// Default shipment method
encoder.add("L_SHIPPINGOPTIONISDEFAULT0", "true");
encoder.add("L_SHIPPINGOPTIONNAME0", "Calculated Offline");
encoder.add("L_SHIPPINGOPTIONAMOUNT0", "0.00");
}
encoder.add("ALLOWNOTE", "1");
encoder.add("INSURANCEOPTIONOFFERED", "false");
if (UtilValidate.isNotEmpty(payPalConfig.getString("imageUrl"))) ;
encoder.add("PAYMENTACTION", "Order");
// Cart information
try {
addCartDetails(encoder, cart);
} catch (GenericEntityException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(
UtilProperties.getMessage(
resource, "AccountingPayPalErrorDuringRetrievingCartDetails", locale));
}
NVPDecoder decoder;
try {
decoder = sendNVPRequest(payPalConfig, encoder);
} catch (PayPalException e) {
Debug.logError(e, module);
return ServiceUtil.returnError(e.getMessage());
}
Map<String, String> errorMessages = getErrorMessageMap(decoder);
if (UtilValidate.isNotEmpty(errorMessages)) {
if (errorMessages.containsKey("10411")) {
// Token has expired, get a new one
cart.setAttribute("payPalCheckoutToken", null);
return PayPalServices.setExpressCheckout(dctx, context);
}
return ServiceUtil.returnError(UtilMisc.toList(errorMessages.values()));
}
token = decoder.get("TOKEN");
cart.setAttribute("payPalCheckoutToken", token);
TokenWrapper tokenWrapper = new TokenWrapper(token);
cart.setAttribute("payPalCheckoutTokenObj", tokenWrapper);
PayPalServices.tokenCartMap.put(tokenWrapper, new WeakReference<ShoppingCart>(cart));
return ServiceUtil.returnSuccess();
}