cal.pub0.org/packages/app-store/stripepayment/lib/server.ts

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import { PaymentType, Prisma } from "@prisma/client";
import Stripe from "stripe";
import { v4 as uuidv4 } from "uuid";
import { z } from "zod";
import { sendAwaitingPaymentEmail, sendOrganizerPaymentRefundFailedEmail } from "@calcom/emails";
import { getErrorFromUnknown } from "@calcom/lib/errors";
import prisma from "@calcom/prisma";
import type { CalendarEvent } from "@calcom/types/Calendar";
import getAppKeysFromSlug from "../../_utils/getAppKeysFromSlug";
import { createPaymentLink } from "./client";
export type PaymentData = Stripe.Response<Stripe.PaymentIntent> & {
stripe_publishable_key: string;
stripeAccount: string;
};
export const stripeOAuthTokenSchema = z.object({
access_token: z.string().optional(),
scope: z.string().optional(),
livemode: z.boolean().optional(),
token_type: z.literal("bearer").optional(),
refresh_token: z.string().optional(),
stripe_user_id: z.string().optional(),
stripe_publishable_key: z.string().optional(),
});
export const stripeDataSchema = stripeOAuthTokenSchema.extend({
default_currency: z.string(),
});
export type StripeData = z.infer<typeof stripeDataSchema>;
const stripePrivateKey = process.env.STRIPE_PRIVATE_KEY!;
const stripe = new Stripe(stripePrivateKey, {
apiVersion: "2020-08-27",
});
const stripeKeysSchema = z.object({
payment_fee_fixed: z.number(),
payment_fee_percentage: z.number(),
});
const stripeCredentialSchema = z.object({
stripe_user_id: z.string(),
stripe_publishable_key: z.string(),
});
export async function handlePayment(
evt: CalendarEvent,
selectedEventType: {
price: number;
currency: string;
},
stripeCredential: { key: Prisma.JsonValue },
booking: {
user: { email: string | null; name: string | null; timeZone: string } | null;
id: number;
startTime: { toISOString: () => string };
uid: string;
}
) {
const appKeys = await getAppKeysFromSlug("stripe");
const { payment_fee_fixed, payment_fee_percentage } = stripeKeysSchema.parse(appKeys);
const paymentFee = Math.round(selectedEventType.price * payment_fee_percentage + payment_fee_fixed);
const { stripe_user_id, stripe_publishable_key } = stripeCredentialSchema.parse(stripeCredential.key);
const params: Stripe.PaymentIntentCreateParams = {
amount: selectedEventType.price,
currency: selectedEventType.currency,
payment_method_types: ["card"],
application_fee_amount: paymentFee,
};
const paymentIntent = await stripe.paymentIntents.create(params, { stripeAccount: stripe_user_id });
const payment = await prisma.payment.create({
data: {
type: PaymentType.STRIPE,
uid: uuidv4(),
booking: {
connect: {
id: booking.id,
},
},
amount: selectedEventType.price,
fee: paymentFee,
currency: selectedEventType.currency,
success: false,
refunded: false,
data: Object.assign({}, paymentIntent, {
stripe_publishable_key,
stripeAccount: stripe_user_id,
}) /* We should treat this */ as PaymentData /* but Prisma doesn't know how to handle it, so it we treat it */ as unknown /* and then */ as Prisma.InputJsonValue,
externalId: paymentIntent.id,
},
});
await sendAwaitingPaymentEmail({
...evt,
paymentInfo: {
link: createPaymentLink({
paymentUid: payment.uid,
name: booking.user?.name,
email: booking.user?.email,
date: booking.startTime.toISOString(),
}),
},
});
return payment;
}
export async function refund(
booking: {
id: number;
uid: string;
startTime: Date;
payment: {
id: number;
success: boolean;
refunded: boolean;
externalId: string;
data: Prisma.JsonValue;
type: PaymentType;
}[];
},
calEvent: CalendarEvent
) {
try {
const payment = booking.payment.find((e) => e.success && !e.refunded);
if (!payment) return;
if (payment.type !== PaymentType.STRIPE) {
await handleRefundError({
event: calEvent,
reason: "cannot refund non Stripe payment",
paymentId: "unknown",
});
return;
}
const refund = await stripe.refunds.create(
{
payment_intent: payment.externalId,
},
{ stripeAccount: (payment.data as unknown as PaymentData)["stripeAccount"] }
);
if (!refund || refund.status === "failed") {
await handleRefundError({
event: calEvent,
reason: refund?.failure_reason || "unknown",
paymentId: payment.externalId,
});
return;
}
await prisma.payment.update({
where: {
id: payment.id,
},
data: {
refunded: true,
},
});
} catch (e) {
const err = getErrorFromUnknown(e);
console.error(err, "Refund failed");
await handleRefundError({
event: calEvent,
reason: err.message || "unknown",
paymentId: "unknown",
});
}
}
export const closePayments = async (paymentIntentId: string, stripeAccount: string) => {
try {
// Expire all current sessions
const sessions = await stripe.checkout.sessions.list(
{
payment_intent: paymentIntentId,
},
{ stripeAccount }
);
for (const session of sessions.data) {
await stripe.checkout.sessions.expire(session.id, { stripeAccount });
}
// Then cancel the payment intent
await stripe.paymentIntents.cancel(paymentIntentId, { stripeAccount });
return;
} catch (e) {
console.error(e);
return;
}
};
async function handleRefundError(opts: { event: CalendarEvent; reason: string; paymentId: string }) {
console.error(`refund failed: ${opts.reason} for booking '${opts.event.uid}'`);
await sendOrganizerPaymentRefundFailedEmail({
...opts.event,
paymentInfo: { reason: opts.reason, id: opts.paymentId },
});
}
export default stripe;