import type { Prisma, WebhookTriggerEvents, WorkflowReminder } from "@prisma/client"; import type { NextApiRequest } from "next"; import appStore from "@calcom/app-store"; import { getCalendar } from "@calcom/app-store/_utils/getCalendar"; import { FAKE_DAILY_CREDENTIAL } from "@calcom/app-store/dailyvideo/lib/VideoApiAdapter"; import { DailyLocationType } from "@calcom/app-store/locations"; import { cancelScheduledJobs } from "@calcom/app-store/zapier/lib/nodeScheduler"; import { deleteMeeting, updateMeeting } from "@calcom/core/videoClient"; import dayjs from "@calcom/dayjs"; import { sendCancelledEmails, sendCancelledSeatEmails } from "@calcom/emails"; import { getCalEventResponses } from "@calcom/features/bookings/lib/getCalEventResponses"; import { deleteScheduledEmailReminder } from "@calcom/features/ee/workflows/lib/reminders/emailReminderManager"; import { sendCancelledReminders } from "@calcom/features/ee/workflows/lib/reminders/reminderScheduler"; import { deleteScheduledSMSReminder } from "@calcom/features/ee/workflows/lib/reminders/smsReminderManager"; import getWebhooks from "@calcom/features/webhooks/lib/getWebhooks"; import type { EventTypeInfo } from "@calcom/features/webhooks/lib/sendPayload"; import sendPayload from "@calcom/features/webhooks/lib/sendPayload"; import { isPrismaObjOrUndefined, parseRecurringEvent } from "@calcom/lib"; import { HttpError } from "@calcom/lib/http-error"; import logger from "@calcom/lib/logger"; import { handleRefundError } from "@calcom/lib/payment/handleRefundError"; import { getTranslation } from "@calcom/lib/server/i18n"; import prisma, { bookingMinimalSelect } from "@calcom/prisma"; import { BookingStatus, MembershipRole, WorkflowMethods } from "@calcom/prisma/enums"; import { schemaBookingCancelParams } from "@calcom/prisma/zod-utils"; import type { CalendarEvent } from "@calcom/types/Calendar"; import type { IAbstractPaymentService, PaymentApp } from "@calcom/types/PaymentService"; async function getBookingToDelete(id: number | undefined, uid: string | undefined) { return await prisma.booking.findUnique({ where: { id, uid, }, select: { ...bookingMinimalSelect, recurringEventId: true, userId: true, user: { select: { id: true, credentials: true, // Not leaking at the moment, be careful with email: true, timeZone: true, name: true, destinationCalendar: true, }, }, location: true, references: { select: { uid: true, type: true, externalCalendarId: true, credentialId: true, }, }, payment: true, paid: true, eventType: { select: { slug: true, owner: true, teamId: true, recurringEvent: true, title: true, eventName: true, description: true, requiresConfirmation: true, price: true, currency: true, length: true, seatsPerTimeSlot: true, bookingFields: true, seatsShowAttendees: true, hosts: { select: { user: true, }, }, workflows: { include: { workflow: { include: { steps: true, }, }, }, }, }, }, uid: true, eventTypeId: true, destinationCalendar: true, smsReminderNumber: true, workflowReminders: true, scheduledJobs: true, seatsReferences: true, responses: true, }, }); } type CustomRequest = NextApiRequest & { userId?: number; bookingToDelete?: Awaited>; }; async function handler(req: CustomRequest) { const { id, uid, allRemainingBookings, cancellationReason, seatReferenceUid } = schemaBookingCancelParams.parse(req.body); req.bookingToDelete = await getBookingToDelete(id, uid); const { bookingToDelete, userId } = req; if (!bookingToDelete || !bookingToDelete.user) { throw new HttpError({ statusCode: 400, message: "Booking not found" }); } if (userId !== bookingToDelete.user?.id && bookingToDelete.startTime < new Date()) { throw new HttpError({ statusCode: 400, message: "Cannot cancel past events" }); } if (!bookingToDelete.userId) { throw new HttpError({ statusCode: 400, message: "User not found" }); } // If it's just an attendee of a booking then just remove them from that booking const result = await handleSeatedEventCancellation(req); if (result) return { success: true }; const organizer = await prisma.user.findFirstOrThrow({ where: { id: bookingToDelete.userId, }, select: { name: true, email: true, timeZone: true, locale: true, }, }); const teamMembersPromises = []; const attendeesListPromises = []; const hostsPresent = !!bookingToDelete.eventType?.hosts; for (const attendee of bookingToDelete.attendees) { const attendeeObject = { name: attendee.name, email: attendee.email, timeZone: attendee.timeZone, language: { translate: await getTranslation(attendee.locale ?? "en", "common"), locale: attendee.locale ?? "en", }, }; // Check for the presence of hosts to determine if it is a team event type if (hostsPresent) { // If the attendee is a host then they are a team member const teamMember = bookingToDelete.eventType?.hosts.some((host) => host.user.email === attendee.email); if (teamMember) { teamMembersPromises.push(attendeeObject); // If not then they are an attendee } else { attendeesListPromises.push(attendeeObject); } } else { attendeesListPromises.push(attendeeObject); } } const attendeesList = await Promise.all(attendeesListPromises); const teamMembers = await Promise.all(teamMembersPromises); const tOrganizer = await getTranslation(organizer.locale ?? "en", "common"); const evt: CalendarEvent = { title: bookingToDelete?.title, type: (bookingToDelete?.eventType?.title as string) || bookingToDelete?.title, description: bookingToDelete?.description || "", customInputs: isPrismaObjOrUndefined(bookingToDelete.customInputs), ...getCalEventResponses({ bookingFields: bookingToDelete.eventType?.bookingFields ?? null, booking: bookingToDelete, }), startTime: bookingToDelete?.startTime ? dayjs(bookingToDelete.startTime).format() : "", endTime: bookingToDelete?.endTime ? dayjs(bookingToDelete.endTime).format() : "", organizer: { email: organizer.email, name: organizer.name ?? "Nameless", timeZone: organizer.timeZone, language: { translate: tOrganizer, locale: organizer.locale ?? "en" }, }, attendees: attendeesList, uid: bookingToDelete?.uid, /* Include recurringEvent information only when cancelling all bookings */ recurringEvent: allRemainingBookings ? parseRecurringEvent(bookingToDelete.eventType?.recurringEvent) : undefined, location: bookingToDelete?.location, destinationCalendar: bookingToDelete?.destinationCalendar || bookingToDelete?.user.destinationCalendar, cancellationReason: cancellationReason, ...(teamMembers && { team: { name: "", members: teamMembers } }), seatsPerTimeSlot: bookingToDelete.eventType?.seatsPerTimeSlot, seatsShowAttendees: bookingToDelete.eventType?.seatsShowAttendees, }; // If it's just an attendee of a booking then just remove them from that booking if (seatReferenceUid && bookingToDelete.attendees.length > 1) { const seatReference = bookingToDelete.seatsReferences.find( (reference) => reference.referenceUid === seatReferenceUid ); const attendee = bookingToDelete.attendees.find((attendee) => attendee.id === seatReference?.attendeeId); if (!seatReference || !attendee) throw new HttpError({ statusCode: 400, message: "User not a part of this booking" }); await prisma.attendee.delete({ where: { id: seatReference.attendeeId, }, }); /* If there are references then we should update them as well */ const lastAttendee = bookingToDelete.attendees.filter((bookingAttendee) => attendee.email !== bookingAttendee.email).length < 0; const integrationsToDelete = []; for (const reference of bookingToDelete.references) { if (reference.credentialId) { const credential = await prisma.credential.findUnique({ where: { id: reference.credentialId, }, }); if (credential) { if (lastAttendee) { if (reference.type.includes("_video")) { integrationsToDelete.push(deleteMeeting(credential, reference.uid)); } if (reference.type.includes("_calendar")) { const calendar = await getCalendar(credential); if (calendar) { integrationsToDelete.push( calendar?.deleteEvent(reference.uid, evt, reference.externalCalendarId) ); } } } else { const updatedEvt = { ...evt, attendees: evt.attendees.filter((evtAttendee) => attendee.email !== evtAttendee.email), }; if (reference.type.includes("_video")) { integrationsToDelete.push( updateMeeting( { ...credential, appName: evt.location?.replace("integrations:", "") || "" }, updatedEvt, reference ) ); } if (reference.type.includes("_calendar")) { const calendar = await getCalendar(credential); if (calendar) { integrationsToDelete.push( calendar?.updateEvent(reference.uid, updatedEvt, reference.externalCalendarId) ); } } } } } } try { await Promise.all(integrationsToDelete).then(async () => { if (lastAttendee) { await prisma.booking.update({ where: { id: bookingToDelete.id, }, data: { status: BookingStatus.CANCELLED, }, }); } }); } catch (error) { // Shouldn't stop code execution if integrations fail // as integrations was already deleted } const tAttendees = await getTranslation(attendee.locale ?? "en", "common"); await sendCancelledSeatEmails(evt, { ...attendee, language: { translate: tAttendees, locale: attendee.locale ?? "en" }, }); req.statusCode = 200; return { message: "No longer attending event" }; } // Hook up the webhook logic here const eventTrigger: WebhookTriggerEvents = "BOOKING_CANCELLED"; // Send Webhook call if hooked to BOOKING.CANCELLED const subscriberOptions = { userId: bookingToDelete.userId, eventTypeId: bookingToDelete.eventTypeId as number, triggerEvent: eventTrigger, teamId: bookingToDelete.eventType?.teamId, }; const eventTypeInfo: EventTypeInfo = { eventTitle: bookingToDelete?.eventType?.title || null, eventDescription: bookingToDelete?.eventType?.description || null, requiresConfirmation: bookingToDelete?.eventType?.requiresConfirmation || null, price: bookingToDelete?.eventType?.price || null, currency: bookingToDelete?.eventType?.currency || null, length: bookingToDelete?.eventType?.length || null, }; const webhooks = await getWebhooks(subscriberOptions); const promises = webhooks.map((webhook) => sendPayload(webhook.secret, eventTrigger, new Date().toISOString(), webhook, { ...evt, ...eventTypeInfo, status: "CANCELLED", smsReminderNumber: bookingToDelete.smsReminderNumber || undefined, }).catch((e) => { console.error(`Error executing webhook for event: ${eventTrigger}, URL: ${webhook.subscriberUrl}`, e); }) ); await Promise.all(promises); //Workflows - schedule reminders if (bookingToDelete.eventType?.workflows) { await sendCancelledReminders({ workflows: bookingToDelete.eventType?.workflows, smsReminderNumber: bookingToDelete.smsReminderNumber, evt: { ...evt, ...{ eventType: { slug: bookingToDelete.eventType.slug } }, }, hideBranding: !!bookingToDelete.eventType.owner?.hideBranding, }); } let updatedBookings: { uid: string; workflowReminders: WorkflowReminder[]; scheduledJobs: string[]; references: { type: string; credentialId: number | null; uid: string; externalCalendarId: string | null; }[]; startTime: Date; endTime: Date; }[] = []; // by cancelling first, and blocking whilst doing so; we can ensure a cancel // action always succeeds even if subsequent integrations fail cancellation. if (bookingToDelete.eventType?.recurringEvent && bookingToDelete.recurringEventId && allRemainingBookings) { const recurringEventId = bookingToDelete.recurringEventId; // Proceed to mark as cancelled all remaining recurring events instances (greater than or equal to right now) await prisma.booking.updateMany({ where: { recurringEventId, startTime: { gte: new Date(), }, }, data: { status: BookingStatus.CANCELLED, cancellationReason: cancellationReason, }, }); const allUpdatedBookings = await prisma.booking.findMany({ where: { recurringEventId: bookingToDelete.recurringEventId, startTime: { gte: new Date(), }, }, select: { startTime: true, endTime: true, references: { select: { uid: true, type: true, externalCalendarId: true, credentialId: true, }, }, workflowReminders: true, uid: true, scheduledJobs: true, }, }); updatedBookings = updatedBookings.concat(allUpdatedBookings); } else { if (bookingToDelete?.eventType?.seatsPerTimeSlot) { await prisma.attendee.deleteMany({ where: { bookingId: bookingToDelete.id, }, }); } const where: Prisma.BookingWhereUniqueInput = uid ? { uid } : { id }; const updatedBooking = await prisma.booking.update({ where, data: { status: BookingStatus.CANCELLED, cancellationReason: cancellationReason, }, select: { startTime: true, endTime: true, references: { select: { uid: true, type: true, externalCalendarId: true, credentialId: true, }, }, workflowReminders: true, uid: true, scheduledJobs: true, }, }); updatedBookings.push(updatedBooking); } /** TODO: Remove this without breaking functionality */ if (bookingToDelete.location === DailyLocationType) { bookingToDelete.user.credentials.push({ ...FAKE_DAILY_CREDENTIAL, teamId: bookingToDelete.eventType?.teamId || null, }); } const apiDeletes = []; const bookingCalendarReference = bookingToDelete.references.find((reference) => reference.type.includes("_calendar") ); if (bookingCalendarReference) { const { credentialId, uid, externalCalendarId } = bookingCalendarReference; // If the booking calendar reference contains a credentialId if (credentialId) { // Find the correct calendar credential under user credentials const calendarCredential = bookingToDelete.user.credentials.find( (credential) => credential.id === credentialId ); if (calendarCredential) { const calendar = await getCalendar(calendarCredential); if ( bookingToDelete.eventType?.recurringEvent && bookingToDelete.recurringEventId && allRemainingBookings ) { bookingToDelete.user.credentials .filter((credential) => credential.type.endsWith("_calendar")) .forEach(async (credential) => { const calendar = await getCalendar(credential); for (const updBooking of updatedBookings) { const bookingRef = updBooking.references.find((ref) => ref.type.includes("_calendar")); if (bookingRef) { const { uid, externalCalendarId } = bookingRef; const deletedEvent = await calendar?.deleteEvent(uid, evt, externalCalendarId); apiDeletes.push(deletedEvent); } } }); } else { apiDeletes.push(calendar?.deleteEvent(uid, evt, externalCalendarId) as Promise); } } } else { // For bookings made before the refactor we go through the old behaviour of running through each calendar credential const calendarCredentials = bookingToDelete.user.credentials.filter((credential) => credential.type.endsWith("_calendar") ); for (const credential of calendarCredentials) { const calendar = await getCalendar(credential); apiDeletes.push(calendar?.deleteEvent(uid, evt, externalCalendarId) as Promise); } } } const bookingVideoReference = bookingToDelete.references.find((reference) => reference.type.includes("_video") ); // If the video reference has a credentialId find the specific credential if (bookingVideoReference && bookingVideoReference.credentialId) { const { credentialId, uid } = bookingVideoReference; if (credentialId) { const videoCredential = bookingToDelete.user.credentials.find( (credential) => credential.id === credentialId ); if (videoCredential) { logger.debug("videoCredential inside cancel booking handler", videoCredential); apiDeletes.push(deleteMeeting(videoCredential, uid)); } } } // Avoiding taking care of recurrence for now as Payments are not supported with Recurring Events at the moment if (bookingToDelete && bookingToDelete.paid) { const evt: CalendarEvent = { type: bookingToDelete?.eventType?.title as string, title: bookingToDelete.title, description: bookingToDelete.description ?? "", customInputs: isPrismaObjOrUndefined(bookingToDelete.customInputs), ...getCalEventResponses({ booking: bookingToDelete, bookingFields: bookingToDelete.eventType?.bookingFields ?? null, }), startTime: bookingToDelete.startTime.toISOString(), endTime: bookingToDelete.endTime.toISOString(), organizer: { email: bookingToDelete.user?.email ?? "dev@calendso.com", name: bookingToDelete.user?.name ?? "no user", timeZone: bookingToDelete.user?.timeZone ?? "", language: { translate: tOrganizer, locale: organizer.locale ?? "en" }, }, attendees: attendeesList, location: bookingToDelete.location ?? "", uid: bookingToDelete.uid ?? "", destinationCalendar: bookingToDelete?.destinationCalendar || bookingToDelete?.user.destinationCalendar, }; const successPayment = bookingToDelete.payment.find((payment) => payment.success); if (!successPayment) { throw new Error("Cannot reject a booking without a successful payment"); } let eventTypeOwnerId; if (bookingToDelete.eventType?.owner) { eventTypeOwnerId = bookingToDelete.eventType.owner.id; } else if (bookingToDelete.eventType?.teamId) { const teamOwner = await prisma.membership.findFirst({ where: { teamId: bookingToDelete.eventType.teamId, role: MembershipRole.OWNER, }, select: { userId: true, }, }); eventTypeOwnerId = teamOwner?.userId; } if (!eventTypeOwnerId) { throw new Error("Event Type owner not found for obtaining payment app credentials"); } const paymentAppCredentials = await prisma.credential.findMany({ where: { userId: eventTypeOwnerId, appId: successPayment.appId, }, select: { key: true, appId: true, app: { select: { categories: true, dirName: true, }, }, }, }); const paymentAppCredential = paymentAppCredentials.find((credential) => { return credential.appId === successPayment.appId; }); if (!paymentAppCredential) { throw new Error("Payment app credentials not found"); } // Posible to refactor TODO: const paymentApp = (await appStore[ paymentAppCredential?.app?.dirName as keyof typeof appStore ]()) as PaymentApp; if (!paymentApp?.lib?.PaymentService) { console.warn(`payment App service of type ${paymentApp} is not implemented`); return null; } // eslint-disable-next-line @typescript-eslint/no-explicit-any const PaymentService = paymentApp.lib.PaymentService as unknown as any; const paymentInstance = new PaymentService(paymentAppCredential) as IAbstractPaymentService; try { await paymentInstance.refund(successPayment.id); } catch (error) { await handleRefundError({ event: evt, reason: error?.toString() || "unknown", paymentId: successPayment.externalId, }); } await prisma.booking.update({ where: { id: bookingToDelete.id, }, data: { status: BookingStatus.REJECTED, }, }); // We skip the deletion of the event, because that would also delete the payment reference, which we should keep try { await apiDeletes; } catch (error) { console.error("Error deleting event", error); } req.statusCode = 200; return { message: "Booking successfully cancelled." }; } const bookingReferenceDeletes = prisma.bookingReference.deleteMany({ where: { bookingId: bookingToDelete.id, }, }); // delete scheduled jobs of cancelled bookings updatedBookings.forEach((booking) => { cancelScheduledJobs(booking); }); //Workflows - cancel all reminders for cancelled bookings updatedBookings.forEach((booking) => { booking.workflowReminders.forEach((reminder) => { if (reminder.method === WorkflowMethods.EMAIL) { deleteScheduledEmailReminder(reminder.id, reminder.referenceId); } else if (reminder.method === WorkflowMethods.SMS) { deleteScheduledSMSReminder(reminder.id, reminder.referenceId); } }); }); const prismaPromises: Promise[] = [bookingReferenceDeletes]; // @TODO: find a way in the future if a promise fails don't stop the rest of the promises // Also if emails fails try to requeue them try { await Promise.all(prismaPromises.concat(apiDeletes)); await sendCancelledEmails(evt, { eventName: bookingToDelete?.eventType?.eventName }); } catch (error) { console.error("Error deleting event", error); } req.statusCode = 200; return { message: "Booking successfully cancelled." }; } async function handleSeatedEventCancellation(req: CustomRequest) { const { seatReferenceUid } = schemaBookingCancelParams.parse(req.body); if (!seatReferenceUid) return; if (!req.bookingToDelete?.attendees.length || req.bookingToDelete.attendees.length < 2) return; const seatReference = req.bookingToDelete.seatsReferences.find( (reference) => reference.referenceUid === seatReferenceUid ); if (!seatReference) throw new HttpError({ statusCode: 400, message: "User not a part of this booking" }); await Promise.all([ prisma.bookingSeat.delete({ where: { referenceUid: seatReferenceUid, }, }), prisma.attendee.delete({ where: { id: seatReference.attendeeId, }, }), ]); req.statusCode = 200; return { success: true }; } export default handler;