public static String determineNextFinalizeStep()

in applications/order/src/main/java/org/apache/ofbiz/order/shoppingcart/CheckOutEvents.java [1010:1137]
112 lines of code
49 McCabe index (conditional complexity)

    public static String determineNextFinalizeStep(HttpServletRequest request, HttpServletResponse response) {
        GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
        ShoppingCart cart = (ShoppingCart) request.getSession().getAttribute("shoppingCart");
        // flag anoymous checkout to bypass additional party settings
        boolean isAnonymousCheckout = false;
        if (userLogin != null && "anonymous".equals(userLogin.getString("userLoginId"))) {
            isAnonymousCheckout = true;
        }

        // determine where to direct the browser
        // these are the default values
        boolean requireCustomer = true;
        boolean requireNewShippingAddress = false;
        boolean requireShipping = true;
        boolean requireOptions = true;
        boolean requireShipGroups = false;
        boolean requirePayment = !"PURCHASE_ORDER".equals(cart.getOrderType());
        boolean requireTerm = true;
        boolean requireAdditionalParty = isAnonymousCheckout;
        boolean isSingleUsePayment = true;
        // these options are not available to anonymous shoppers (security)
        if (userLogin != null && !"anonymous".equals(userLogin.getString("userLoginId"))) {
            String requireCustomerStr = request.getParameter("finalizeReqCustInfo");
            String requireNewShippingAddressStr = request.getParameter("finalizeReqNewShipAddress");
            String requireShippingStr = request.getParameter("finalizeReqShipInfo");
            String requireOptionsStr = request.getParameter("finalizeReqOptions");
            String requirePaymentStr = request.getParameter("finalizeReqPayInfo");
            String requireTermStr = request.getParameter("finalizeReqTermInfo");
            String requireAdditionalPartyStr = request.getParameter("finalizeReqAdditionalParty");
            String requireShipGroupsStr = request.getParameter("finalizeReqShipGroups");
            String singleUsePaymentStr = request.getParameter("singleUsePayment");
            requireCustomer = requireCustomerStr == null || "true".equalsIgnoreCase(requireCustomerStr);
            requireNewShippingAddress = requireNewShippingAddressStr != null && "true".equalsIgnoreCase(requireNewShippingAddressStr);
            requireShipping = requireShippingStr == null || "true".equalsIgnoreCase(requireShippingStr);
            requireOptions = requireOptionsStr == null || "true".equalsIgnoreCase(requireOptionsStr);
            requireShipGroups = requireShipGroupsStr != null && "true".equalsIgnoreCase(requireShipGroupsStr);
            if (requirePayment) {
                requirePayment = requirePaymentStr == null || "true".equalsIgnoreCase(requirePaymentStr);
            }
            if (requireTerm) {
                requireTerm = requireTermStr == null || "true".equalsIgnoreCase(requireTermStr);
            }
            requireAdditionalParty = requireAdditionalPartyStr == null || "true".equalsIgnoreCase(requireAdditionalPartyStr);
            isSingleUsePayment = singleUsePaymentStr != null && "Y".equalsIgnoreCase(singleUsePaymentStr) ? true : false;
        }

        boolean shippingAddressSet = true;
        boolean shippingOptionsSet = true;
        for (int shipGroupIndex = 0; shipGroupIndex < cart.getShipGroupSize(); shipGroupIndex++) {
            String shipContactMechId = cart.getShippingContactMechId(shipGroupIndex);
            if (shipContactMechId == null) {
                shippingAddressSet = false;
            }
            String shipmentMethodTypeId = cart.getShipmentMethodTypeId(shipGroupIndex);
            if (shipmentMethodTypeId == null) {
                shippingOptionsSet = false;
            }
        }

        String customerPartyId = cart.getPartyId();

        String[] processOrder = {"customer", "shipping", "shipGroups", "options", "term", "payment",
                "addparty", "paysplit"};

        if ("PURCHASE_ORDER".equals(cart.getOrderType())) {
            // Force checks for the following
            requireCustomer = true;
            requireShipping = true;
            requireOptions = true;
            processOrder = new String[]{"customer", "term", "shipping", "shipGroups", "options", "payment",
                    "addparty", "paysplit"};
        }

        for (String currProcess : processOrder) {
            if ("customer".equals(currProcess)) {
                if (requireCustomer && (customerPartyId == null || "_NA_".equals(customerPartyId))) {
                    return "customer";
                }
            } else if ("shipping".equals(currProcess)) {
                if (requireShipping) {
                    if (requireNewShippingAddress) {
                        return "shippingAddress";
                    } else if (!shippingAddressSet) {
                        return "shipping";
                    }
                }
            } else if ("shipGroups".equals(currProcess)) {
                if (requireShipGroups) {
                    return "shipGroups";
                }
            } else if ("options".equals(currProcess)) {
                if (requireOptions && !shippingOptionsSet) {
                    return "options";
                }
            } else if ("term".equals(currProcess)) {
                if (requireTerm && !cart.isOrderTermSet()) {
                    return "term";
                }
            } else if ("payment".equals(currProcess)) {
                List<String> paymentMethodIds = cart.getPaymentMethodIds();
                List<String> paymentMethodTypeIds = cart.getPaymentMethodTypeIds();
                if (requirePayment && UtilValidate.isEmpty(paymentMethodIds) && UtilValidate.isEmpty(paymentMethodTypeIds)) {
                    return "payment";
                }
            } else if ("addparty".equals(currProcess)) {
                if (requireAdditionalParty && cart.getAttribute("addpty") == null) {
                    return "addparty";
                }
            } else if ("paysplit".equals(currProcess)) {
                if (isSingleUsePayment) {
                    return "paysplit";
                }
            }
        }

        // Finally, if all checks go through, finalize the order.

        // this is used to go back to a previous page in checkout after processing all of the changes, just to make sure we get everything...
        String checkoutGoTo = request.getParameter("checkoutGoTo");
        if (UtilValidate.isNotEmpty(checkoutGoTo)) {
            return checkoutGoTo;
        }

        if ("SALES_ORDER".equals(cart.getOrderType())) {
            return "sales";
        }
        return "po";
    }