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import { AxiosError } from "axios";
import NiceModal from "@ebay/nice-modal-react";
import { useNavigate, useParams } from "react-router-dom";
import { useQueryClient } from "react-query";
import { QKEY_LIST_CART } from "@constants/queryKeys";
import { EMAIL_VERIFICATION_PATH } from "@routes/paths";
import { ErrorCodeEnum } from "@services/api/api.constant";
import {
parseError,
isStatusCode,
isDisposableEmailError,
isEmailVerificationRequiredError,
isPurchaseVerificationRequiredError,
isRejectedVerificationCodeError,
needsNewVerificationCode,
isCaptchaChallengeRequiredError,
} from "@utils/errorHandling";
import { VALIDATION_MESSAGES } from "@validation/messages";
import {
CHECKOUT_ERROR_MESSAGES,
VERIFY_PURCHASE,
} from "@sections/PayBuilder/constants";
import { useResendEmail } from "@pages/EmailVerification/api/useResendEmail";
import { useSubmitPurchaseVerification } from "./useSubmitPurchaseVerification";
import { buildCheckoutUserName } from "@sections/PayBuilder/utils";
import { showMessage } from "@common/Toast";
import { useCustomThemeV2 } from "@theme/hooks/useCustomThemeV2";
import { useGetFeatureFlagValues } from "FeatureFlags/useGetFeatureFlagValues";
import useCheckFormType from "@sections/PayBuilder/components/hooks/useCheckFormType";
import {
invokeSafely,
formatAddress,
validateBillingAddress,
} from "../helpers";
import {
NOT_ABLE_PROCESS_PAYMENT_FORM_MODAL,
VERIFY_PURCHASE_MODAL,
} from "modals/modal_names";
import { usePaymentCaptchaChallenge } from "./usePaymentCaptchaChallenge";
import { convertPhoneNumber } from "@utils/date.helpers";
import { FieldPath } from "react-hook-form";
import { ICheckoutInputs, CheckoutRequest } from "../types";
import { usePayBuilderForm } from "@sections/PayBuilder/provider/PayBuilderFormProvider";
import { buildCustomFieldsPayload } from "../customFields.helpers";
import {
buildParticipantsPayload,
isSameAsContactActive,
resolveParticipantSlots,
} from "../participants.helpers";
import { useEventParticipantDetails } from "./useEventParticipantDetails";
type UseCheckoutHandlerParams = {
handleCardNumberCheck: any;
addToCartHandler: any;
cartCheckoutMutation: any;
handleSuccess: any;
product: any;
orderID: string;
isCustomerChoicePayer: boolean;
configurationPassFees: boolean;
cartItems: any[];
payBuilderData: any;
isDeliveryEnabled: boolean;
setLoading: (v: boolean) => void;
setFieldError?: (key: FieldPath<ICheckoutInputs>, message?: string) => void;
onPaymentFailed?: () => void;
};
export const useCheckoutHandler = ({
handleCardNumberCheck,
addToCartHandler,
cartCheckoutMutation,
handleSuccess,
setLoading,
setFieldError,
onPaymentFailed,
product,
orderID,
isCustomerChoicePayer,
configurationPassFees,
cartItems,
payBuilderData,
isDeliveryEnabled,
}: UseCheckoutHandlerParams) => {
const navigate = useNavigate();
const queryClient = useQueryClient();
const { isDesktopView } = useCustomThemeV2();
// Same endpoint the address-verification page uses; with purchase
// verification on it mails a code instead of a link.
// The modal shows a failed resend inline, so a global toast telling the buyer
// to start over would contradict a modal that is still usable.
const { sendEmailAsync: sendVerificationEmail } = useResendEmail({
reportErrors: false,
});
const { submitCode } = useSubmitPurchaseVerification();
const {
isPayBuilderCustomFieldsEnabled,
isPaymentRecaptchaEnabled,
isFeatureFlagLoading,
} = useGetFeatureFlagValues();
const { isFundraiser, isSweepstake, isInvoice } = useCheckFormType();
const isParticipantDetailsEnabled = useEventParticipantDetails();
const { methods: builderMethods } = usePayBuilderForm();
const formId = useParams<{ id: string }>();
const handleCheckoutRef = useRef<(data: ICheckoutInputs) => Promise<void>>(
async () => undefined,
);
// Defined here, not inside handleCheckout: a callback defined there closes
// over that call's scope and retains the card through it.
const pendingCheckoutRef = useRef<ICheckoutInputs | null>(null);
const pendingOrderIDRef = useRef<number | null>(null);
const clearPendingVerification = () => {
pendingCheckoutRef.current = null;
pendingOrderIDRef.current = null;
};
const resendVerificationCode = async () => {
const orderID = pendingOrderIDRef.current;
Iif (!orderID) return VERIFY_PURCHASE.RESEND_FAILED;
try {
await sendVerificationEmail({ orderID });
return null;
} catch (resendError: unknown) {
// The API names the refusal; fixed copy misdescribes most of them.
return (
(resendError as AxiosError<{ message?: string }>)?.response?.data
?.message || VERIFY_PURCHASE.RESEND_FAILED
);
}
};
const verifyPurchaseCode = async (code: string) => {
const orderID = pendingOrderIDRef.current;
// Before the await: a dismissal mid-submit would otherwise spend the code
// and then find nothing to retry, reporting success for a checkout never
// posted.
const pending = pendingCheckoutRef.current;
if (!orderID || !pending) {
return {
message: CHECKOUT_ERROR_MESSAGES.GENERIC_ERROR,
needsNewCode: false,
};
}
try {
await submitCode({ orderID, code });
} catch (submitError: unknown) {
// Only a refusal's message describes the code.
if (!isRejectedVerificationCodeError(submitError)) {
return {
message: CHECKOUT_ERROR_MESSAGES.GENERIC_ERROR,
needsNewCode: false,
};
}
// parseError falls back to axios's own status string, so read the body.
const apiMessage = (submitError as AxiosError<{ message?: string }>)
?.response?.data?.message;
return {
message: apiMessage || VERIFY_PURCHASE.GENERIC_INVALID_CODE,
needsNewCode: needsNewVerificationCode(submitError),
};
}
// The retry needs the cart re-read, a fresh captcha token and the success
// handling.
clearPendingVerification();
void handleCheckoutRef.current(pending);
return null;
};
const paymentCaptcha = usePaymentCaptchaChallenge<ICheckoutInputs>({
onRetry: (pending) => {
void handleCheckoutRef.current(pending);
},
onGiveUp: () => setLoading(false),
});
const handleCheckout = async (data: ICheckoutInputs) => {
Iif (isFeatureFlagLoading) {
return;
}
// SECURITY: Extract card data immediately, then wipe from source
let cardNumber: string | undefined;
let cvv: string | undefined;
let expirationDate: string | undefined;
let nameOnCard: string | undefined;
try {
Iif (product && !product.merchCanProcessMoney) {
NiceModal.show(NOT_ABLE_PROCESS_PAYMENT_FORM_MODAL);
return;
}
setLoading(true);
// SECURITY: Extract card data to local variables
const { payment, email, phoneNumber, deliveryAddress, billingAddress } =
data;
cardNumber = payment?.cardNumber;
cvv = payment?.cvv;
expirationDate = payment?.expirationDate;
nameOnCard = payment?.nameOnCard;
const cardObject = await handleCardNumberCheck(
cardNumber || "",
(message = "Please enter a valid card number") =>
setFieldError?.("payment.cardNumber", message),
);
Iif (cardObject === undefined) {
setLoading(false);
// SECURITY: Clear card data from memory on validation failure
cardNumber = undefined;
cvv = undefined;
expirationDate = undefined;
nameOnCard = undefined;
return;
}
// Contact Name (events) takes precedence over the `Name on Card` split;
// both are sent and the BE resolves them. See buildCheckoutUserName.
const userName = buildCheckoutUserName(data?.name, nameOnCard);
const [expMonth, expYearShort] = expirationDate?.split("/") || [];
const delivAddress = isDeliveryEnabled
? formatAddress(deliveryAddress)
: null;
const { useDeliveryAddress, ...billingAddressFields } = billingAddress;
const billAddress = useDeliveryAddress
? delivAddress
: formatAddress(billingAddressFields);
const passFees = isCustomerChoicePayer
? !data.customerCoversFees
: configurationPassFees;
// Same cache addToCartHandler writes (QKEY_LIST_CART string key). CartContext
// `id` is the variant id for events, which persist_participants rejects.
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const updatedCartData: any = queryClient.getQueryData(QKEY_LIST_CART);
const serverCartItems = Array.isArray(updatedCartData?.items)
? updatedCartData.items
: [];
// SECURITY: Build payment data object that will be sent to API
// This minimizes the time card data exists in memory
// CRITICAL: Never log, console.log, or store this object - contains PCI data
const customData: CheckoutRequest = {
user: {
...userName,
email: email,
...(phoneNumber && {
phoneNumber: convertPhoneNumber(phoneNumber),
}),
...(!isFundraiser && {
shippingAddress: delivAddress,
}),
...(validateBillingAddress(billAddress) && {
billingAddress: billAddress,
}),
},
...(isInvoice && {
user: payBuilderData?.customer || {},
}),
paymentMethodParams: {
paymentMethodID: null,
paymentMethod: {
card: {
...(validateBillingAddress(billAddress) && {
address: billAddress,
}),
cvv: cvv,
cardholderName: nameOnCard,
number: cardNumber?.replaceAll(" ", ""),
expiryMonth: parseInt(expMonth),
expiryYear: 2000 + parseInt(expYearShort),
isDebit: cardObject?.binInfo?.cardType === "DEBIT",
},
isDefault: false,
},
},
...(!isFundraiser &&
!isSweepstake && {
items: cartItems.reduce((acc, curr) => {
Eif (!isNaN(Number(curr.id))) {
acc.push(parseInt(curr.id));
}
Iif (!isNaN(Number(curr.signupID))) {
acc.push(parseInt(curr.signupID));
}
return acc;
}, [] as Array<number>),
}),
...(isFundraiser && {
isCustomerAnonymous: data.Donations!.isAnonymous,
}),
...(isSweepstake && {
isCustomerAnonymous: data.Entries!.isAnonymous,
}),
// PAY-Builder016 — snapshot the custom-field answers onto the txn (AC023).
...(() => {
Eif (!isPayBuilderCustomFieldsEnabled) return {};
const customFields = buildCustomFieldsPayload(
builderMethods.getValues().Checkout?.customFields,
data.customFields,
);
return customFields.length ? { customFields } : {};
})(),
// Story 2 — per-ticket participants (AC015/AC055). Omitted whenever the
// buyer is the participant or the feature is off, so every checkout that
// does not collect participant details sends today's payload unchanged.
...(() => {
const checkoutConfig = builderMethods.getValues().Checkout;
const participants = buildParticipantsPayload({
slots: resolveParticipantSlots({
cartItems,
serverItems: serverCartItems,
}),
values: data.participants ?? {},
isEnabled: isParticipantDetailsEnabled,
collectPerTicket: !!checkoutConfig?.participantDetails?.render,
sameAsContact: isSameAsContactActive({
sameAsContact: data.participantsSameAsContact,
contactName: data.name,
contactEmail: data.email,
}),
includePhone: !!checkoutConfig?.participantPhone?.render,
});
return participants.length ? { participants } : {};
})(),
sourceTypeName: "givesync_ui",
passFees,
};
Iif (isPaymentRecaptchaEnabled) {
paymentCaptcha.resetAttemptsUnlessRetry();
if (paymentCaptcha.reopenIfRequired(data)) {
setLoading(false);
return;
}
await paymentCaptcha.attachToken(customData);
}
/**
* if the card is declined, we need to recreate the cart, otherwise BE will return error "The requested order was not found"
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const apiIDS = serverCartItems.map((x: any) => x.id);
if (apiIDS?.length && !isFundraiser && !isSweepstake) {
customData.items = apiIDS;
}
Iif ((isFundraiser || isSweepstake) && (!apiIDS || apiIDS.length === 0)) {
await addToCartHandler(undefined, undefined, passFees);
}
paymentCaptcha.consumeToken();
let holdPendingForChallenge = false;
await cartCheckoutMutation.mutateAsync(customData, {
onSuccess: (res: any) => {
// SECURITY: wipe sensitive card data from memory immediately after API call
cardNumber = undefined;
cvv = undefined;
expirationDate = undefined;
nameOnCard = undefined;
paymentCaptcha.reset();
return handleSuccess(
res,
data,
billingAddress,
deliveryAddress,
phoneNumber,
passFees,
handleCheckout,
);
},
onError: (error: any) => {
// SECURITY: wipe sensitive card data on error
cardNumber = undefined;
cvv = undefined;
expirationDate = undefined;
nameOnCard = undefined;
// FIXED: Use centralized error checking
const parsed = parseError(error);
Iif (isCaptchaChallengeRequiredError(error)) {
const captchaHandle = paymentCaptcha.requestChallenge(data);
if (captchaHandle === "shown") {
holdPendingForChallenge = true;
setLoading(false);
}
return;
}
paymentCaptcha.clearPending();
// Check for email validation errors - don't show snackbar
Iif (
isStatusCode(error, ErrorCodeEnum.BAD_INPUT) &&
isDisposableEmailError(parsed.message)
) {
setFieldError?.(
"email",
parsed.message || VALIDATION_MESSAGES.INVALID_DISPOSABLE_EMAIL,
);
setLoading(false);
return;
}
// Email verification flow — keyed on the API's
// "email_verification_required" code, not the HTTP status: declines
// (e.g. amount below minimum) are also 400 and must fall through to
// the failed-payment handling in the catch block instead.
//
// Handled before the cart is cleared: the API rejects the checkout
// without taking payment, so the buyer comes back to finish it and
// needs the cart they started with.
// Purchase verification is confirmed with a code in the checkout
// itself — the address-verification page below would send the buyer
// to click a link its email does not carry.
if (isPurchaseVerificationRequiredError(error)) {
const codeOrderID = parseInt(orderID);
if (!codeOrderID) {
// The code is already in the buyer's inbox but there is no order
// to submit it against.
showMessage(
"Error",
CHECKOUT_ERROR_MESSAGES.VERIFICATION_LOST_ORDER,
isDesktopView,
);
return;
}
pendingCheckoutRef.current = data;
pendingOrderIDRef.current = codeOrderID;
NiceModal.show(VERIFY_PURCHASE_MODAL, {
email,
onVerify: verifyPurchaseCode,
onResend: resendVerificationCode,
onDismiss: clearPendingVerification,
});
return;
}
if (isEmailVerificationRequiredError(error)) {
// The verification page needs both: :id to send the buyer back to
// the form, and the order id for the resend endpoint, which rejects
// anything not > 0. orderID comes from the cart, so it is absent
// once a previous decline cleared it — without this the page was
// reached with orderID=NaN and resend failed silently.
const verifiedOrderID = parseInt(orderID);
if (!formId.id || !verifiedOrderID) {
showMessage(
"Error",
CHECKOUT_ERROR_MESSAGES.GENERIC_ERROR,
isDesktopView,
);
return;
}
return navigate(
`${EMAIL_VERIFICATION_PATH}?orderID=${verifiedOrderID}` +
`&email=${encodeURIComponent(email)}`,
{
state: {
productID: parseInt(formId.id),
paymentMethodID: cardObject.id,
},
},
);
}
// Optimistically clear cart cache as backend clears it on failure
Eif (!parsed.fieldErrors) {
queryClient.setQueryData(QKEY_LIST_CART, { items: [] });
}
},
onSettled: () => {
// SECURITY: Final cleanup - ensure card data is wiped
cardNumber = undefined;
cvv = undefined;
expirationDate = undefined;
nameOnCard = undefined;
if (!holdPendingForChallenge) {
paymentCaptcha.clearPending();
}
setLoading(false);
},
});
} catch (error: unknown) {
// SECURITY: wipe sensitive card data on exception
cardNumber = undefined;
cvv = undefined;
expirationDate = undefined;
nameOnCard = undefined;
// FIXED: Use centralized error parsing
const parsed = parseError(error);
// mutateAsync still rejects after onError showed the challenge modal.
Iif (isCaptchaChallengeRequiredError(error)) {
return;
}
paymentCaptcha.clearPending();
// onError above already navigated away, or reported the missing route id
// itself — either way it is not a failed payment.
if (isEmailVerificationRequiredError(error)) {
setLoading(false);
return;
}
// Same for the purchase gate, which opened the confirm modal above. No
// money moved, and the buyer finishes from that modal — so the cart
// clear and the failed-payment toast below must not run behind it.
if (isPurchaseVerificationRequiredError(error)) {
setLoading(false);
return;
}
// Don't show snackbar for email validation errors - they're already shown inline
// Check both message field and fieldErrors
Iif (isDisposableEmailError(parsed.message)) {
setLoading(false);
return;
}
Iif (parsed.fieldErrors) {
const fieldErrorEntries = Object.entries(parsed.fieldErrors);
const [firstParam] = fieldErrorEntries[0];
const emailParamNames = [
"email",
"emailAddress",
"Email",
"EmailAddress",
];
const isEmailError = emailParamNames.some(
(param) => firstParam?.toLowerCase() === param.toLowerCase(),
);
if (isEmailError) {
setLoading(false);
return;
}
}
// Optimistically clear cart cache as backend clears it on failure
// Only clear cart and show payment failed for non-field-validation errors
if (!parsed.fieldErrors) {
queryClient.setQueryData(QKEY_LIST_CART, { items: [] });
const snackBarMessage =
parsed.userMessage || CHECKOUT_ERROR_MESSAGES.GENERIC_ERROR;
showMessage("Error", snackBarMessage, isDesktopView);
setLoading(false);
invokeSafely(onPaymentFailed, "onPaymentFailed", isDesktopView);
} else E{
// Field validation errors - don't show payment failed
setLoading(false);
}
}
};
handleCheckoutRef.current = handleCheckout;
return {
handleCheckout,
};
};
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