cal.pub0.org/apps/web/pages/api/book/request-reschedule.ts

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import { BookingStatus, User, Booking, Attendee, BookingReference, EventType } from "@prisma/client";
import dayjs from "dayjs";
import type { NextApiRequest, NextApiResponse } from "next";
import { getSession } from "next-auth/react";
import type { TFunction } from "next-i18next";
import { z, ZodError } from "zod";
import { getCalendar } from "@calcom/core/CalendarManager";
import { CalendarEventBuilder } from "@calcom/core/builders/CalendarEvent/builder";
import { CalendarEventDirector } from "@calcom/core/builders/CalendarEvent/director";
import { deleteMeeting } from "@calcom/core/videoClient";
import { getTranslation } from "@calcom/lib/server/i18n";
import { Person } from "@calcom/types/Calendar";
import { sendRequestRescheduleEmail } from "@lib/emails/email-manager";
import prisma from "@lib/prisma";
export type RescheduleResponse = Booking & {
attendees: Attendee[];
};
export type PersonAttendeeCommonFields = Pick<
User,
"id" | "email" | "name" | "locale" | "timeZone" | "username"
>;
const rescheduleSchema = z.object({
bookingId: z.string(),
rescheduleReason: z.string().optional(),
});
const findUserDataByUserId = async (userId: number) => {
return await prisma.user.findUnique({
rejectOnNotFound: true,
where: {
id: userId,
},
select: {
id: true,
name: true,
username: true,
email: true,
timeZone: true,
locale: true,
credentials: true,
destinationCalendar: true,
},
});
};
const handler = async (
req: NextApiRequest,
res: NextApiResponse
): Promise<RescheduleResponse | NextApiResponse | void> => {
const session = await getSession({ req });
const {
bookingId,
rescheduleReason: cancellationReason,
}: { bookingId: string; rescheduleReason: string; cancellationReason: string } = req.body;
let userOwner: Awaited<ReturnType<typeof findUserDataByUserId>>;
try {
if (session?.user?.id) {
userOwner = await findUserDataByUserId(session?.user.id);
} else {
return res.status(501);
}
const bookingToReschedule = await prisma.booking.findFirst({
select: {
id: true,
uid: true,
title: true,
startTime: true,
endTime: true,
eventTypeId: true,
location: true,
attendees: true,
references: true,
userId: true,
dynamicEventSlugRef: true,
dynamicGroupSlugRef: true,
destinationCalendar: true,
},
rejectOnNotFound: true,
where: {
uid: bookingId,
NOT: {
status: {
in: [BookingStatus.CANCELLED, BookingStatus.REJECTED],
},
},
},
});
if (bookingToReschedule && userOwner) {
let event: Partial<EventType> = {};
if (bookingToReschedule.eventTypeId) {
event = await prisma.eventType.findFirst({
select: {
title: true,
users: true,
schedulingType: true,
recurringEvent: true,
},
rejectOnNotFound: true,
where: {
id: bookingToReschedule.eventTypeId,
},
});
}
await prisma.booking.update({
where: {
id: bookingToReschedule.id,
},
data: {
rescheduled: true,
cancellationReason,
status: BookingStatus.CANCELLED,
updatedAt: dayjs().toISOString(),
},
});
const [mainAttendee] = bookingToReschedule.attendees;
// @NOTE: Should we assume attendees language?
const tAttendees = await getTranslation(mainAttendee.locale ?? "en", "common");
const usersToPeopleType = (
users: PersonAttendeeCommonFields[],
selectedLanguage: TFunction
): Person[] => {
return users?.map((user) => {
return {
email: user.email || "",
name: user.name || "",
username: user?.username || "",
language: { translate: selectedLanguage, locale: user.locale || "en" },
timeZone: user?.timeZone,
};
});
};
const userOwnerTranslation = await getTranslation(userOwner.locale ?? "en", "common");
const [userOwnerAsPeopleType] = usersToPeopleType([userOwner], userOwnerTranslation);
const builder = new CalendarEventBuilder();
builder.init({
title: bookingToReschedule.title,
type: event && event.title ? event.title : bookingToReschedule.title,
startTime: bookingToReschedule.startTime.toISOString(),
endTime: bookingToReschedule.endTime.toISOString(),
attendees: usersToPeopleType(
// username field doesn't exists on attendee but could be in the future
bookingToReschedule.attendees as unknown as PersonAttendeeCommonFields[],
tAttendees
),
organizer: userOwnerAsPeopleType,
});
const director = new CalendarEventDirector();
director.setBuilder(builder);
director.setExistingBooking(bookingToReschedule);
director.setCancellationReason(cancellationReason);
if (!!event) {
await director.buildWithoutEventTypeForRescheduleEmail();
} else {
await director.buildForRescheduleEmail();
}
// Handling calendar and videos cancellation
// This can set previous time as available, until virtual calendar is done
const credentialsMap = new Map();
userOwner.credentials.forEach((credential) => {
credentialsMap.set(credential.type, credential);
});
const bookingRefsFiltered: BookingReference[] = bookingToReschedule.references.filter(
(ref) => !!credentialsMap.get(ref.type)
);
bookingRefsFiltered.forEach((bookingRef) => {
if (bookingRef.uid) {
if (bookingRef.type.endsWith("_calendar")) {
const calendar = getCalendar(credentialsMap.get(bookingRef.type));
return calendar?.deleteEvent(bookingRef.uid, builder.calendarEvent);
} else if (bookingRef.type.endsWith("_video")) {
return deleteMeeting(credentialsMap.get(bookingRef.type), bookingRef.uid);
}
}
});
// Updating attendee destinationCalendar if required
if (
bookingToReschedule.destinationCalendar &&
bookingToReschedule.destinationCalendar.userId &&
bookingToReschedule.destinationCalendar.integration.endsWith("_calendar")
) {
const { destinationCalendar } = bookingToReschedule;
if (destinationCalendar.userId) {
const bookingRefsFiltered: BookingReference[] = bookingToReschedule.references.filter(
(ref) => !!credentialsMap.get(ref.type)
);
const attendeeData = await findUserDataByUserId(destinationCalendar.userId);
const attendeeCredentialsMap = new Map();
attendeeData.credentials.forEach((credential) => {
attendeeCredentialsMap.set(credential.type, credential);
});
bookingRefsFiltered.forEach((bookingRef) => {
if (bookingRef.uid) {
const calendar = getCalendar(attendeeCredentialsMap.get(destinationCalendar.integration));
calendar?.deleteEvent(bookingRef.uid, builder.calendarEvent);
}
});
}
}
// Send emails
await sendRequestRescheduleEmail(builder.calendarEvent, {
rescheduleLink: builder.rescheduleLink,
});
}
return res.status(200).json(bookingToReschedule);
} catch (error) {
throw new Error("Error.request.reschedule");
}
};
function validate(
handler: (req: NextApiRequest, res: NextApiResponse) => Promise<RescheduleResponse | NextApiResponse | void>
) {
return async (req: NextApiRequest, res: NextApiResponse) => {
if (req.method === "POST") {
try {
rescheduleSchema.parse(req.body);
} catch (error) {
if (error instanceof ZodError && error?.name === "ZodError") {
return res.status(400).json(error?.issues);
}
return res.status(402);
}
} else {
return res.status(405);
}
await handler(req, res);
};
}
export default validate(handler);