cal.pub0.org/packages/lib/payment/handlePayment.ts

import appStore from "@calcom/app-store";
import { EventTypeAppsList } from "@calcom/app-store/utils";
import { EventTypeModel } from "@calcom/prisma/zod";
import { CalendarEvent } from "@calcom/types/Calendar";

import { AppCategories, Prisma } from ".prisma/client";

const handlePayment = async (
  evt: CalendarEvent,
  selectedEventType: Pick<Zod.infer<typeof EventTypeModel>, "metadata">,
  paymentAppCredentials: {
    key: Prisma.JsonValue;
    appId: EventTypeAppsList;
    app: {
      dirName: string;
      categories: AppCategories[];
    } | null;
  },
  booking: {
    user: { email: string | null; name: string | null; timeZone: string } | null;
    id: number;
    startTime: { toISOString: () => string };
    uid: string;
  }
) => {
  const paymentApp = appStore[paymentAppCredentials?.app?.dirName as keyof typeof appStore];
  if (!(paymentApp && "lib" in paymentApp && "PaymentService" in paymentApp.lib)) {
    console.warn(`payment App service of type ${paymentApp} is not implemented`);
    return null;
  }
  const PaymentService = paymentApp.lib.PaymentService;
  const paymentInstance = new PaymentService(paymentAppCredentials);
  const paymentData = await paymentInstance.create(
    {
      amount: selectedEventType?.metadata?.apps?.[paymentAppCredentials.appId].price,
      currency: selectedEventType?.metadata?.apps?.[paymentAppCredentials.appId].currency,
    },
    booking.id
  );

  if (!paymentData) {
    console.error("Payment data is null");
    throw new Error("Payment data is null");
  }
  try {
    await paymentInstance.afterPayment(evt, booking, paymentData);
  } catch (e) {
    console.error(e);
  }
  return paymentData;
};

export { handlePayment };