add first and last name to stripe membership checkout

Author: devksingh4

src/api/functions/stripe.ts

@@ -18,6 +18,7 @@ export type StripeCheckoutSessionCreateParams = {
   items: { price: string; quantity: number }[];
   initiator: string;
   allowPromotionCodes: boolean;
+  customFields?: Stripe.Checkout.SessionCreateParams.CustomField[];
 };
 
 /**
@@ -73,6 +74,7 @@ export const createCheckoutSession = async ({
   items,
   initiator,
   allowPromotionCodes,
+  customFields,
 }: StripeCheckoutSessionCreateParams): Promise<string> => {
   const stripe = new Stripe(stripeApiKey);
   const payload: Stripe.Checkout.SessionCreateParams = {
@@ -89,6 +91,7 @@ export const createCheckoutSession = async ({
       initiator,
     },
     allow_promotion_codes: allowPromotionCodes,
+    custom_fields: customFields,
   };
   const session = await stripe.checkout.sessions.create(payload);
   if (!session.url) {

src/api/routes/membership.ts

@@ -173,7 +173,24 @@ const membershipPlugin: FastifyPluginAsync = async (fastify, _options) => {
                 quantity: 1,
               },
             ],
-
+            customFields: [
+              {
+                key: "firstName",
+                label: {
+                  type: "custom",
+                  custom: "Student First Name",
+                },
+                type: "text",
+              },
+              {
+                key: "lastName",
+                label: {
+                  type: "custom",
+                  custom: "Student Last Name",
+                },
+                type: "text",
+              },
+            ],
             initiator: "purchase-membership",
             allowPromotionCodes: true,
           }),