cal.pub0.org/pages/api/book/[user].ts

542 lines
16 KiB
TypeScript

import type { NextApiRequest, NextApiResponse } from "next";
import prisma from "../../../lib/prisma";
import { CalendarEvent, createEvent, getBusyCalendarTimes, updateEvent } from "../../../lib/calendarClient";
import async from "async";
import { v5 as uuidv5 } from "uuid";
import short from "short-uuid";
import { createMeeting, getBusyVideoTimes, updateMeeting } from "../../../lib/videoClient";
import EventAttendeeMail from "../../../lib/emails/EventAttendeeMail";
import { getEventName } from "../../../lib/event";
import { LocationType } from "../../../lib/location";
import merge from "lodash.merge";
import dayjs from "dayjs";
import logger from "../../../lib/logger";
import utc from "dayjs/plugin/utc";
import timezone from "dayjs/plugin/timezone";
import dayjsBusinessDays from "dayjs-business-days";
import { Exception } from "handlebars";
import EventOrganizerRequestMail from "@lib/emails/EventOrganizerRequestMail";
dayjs.extend(dayjsBusinessDays);
dayjs.extend(utc);
dayjs.extend(timezone);
const translator = short();
const log = logger.getChildLogger({ prefix: ["[api] book:user"] });
function isAvailable(busyTimes, time, length) {
// Check for conflicts
let t = true;
if (Array.isArray(busyTimes) && busyTimes.length > 0) {
busyTimes.forEach((busyTime) => {
const startTime = dayjs(busyTime.start);
const endTime = dayjs(busyTime.end);
// Check if start times are the same
if (dayjs(time).format("HH:mm") == startTime.format("HH:mm")) {
t = false;
}
// Check if time is between start and end times
if (dayjs(time).isBetween(startTime, endTime)) {
t = false;
}
// Check if slot end time is between start and end time
if (dayjs(time).add(length, "minutes").isBetween(startTime, endTime)) {
t = false;
}
// Check if startTime is between slot
if (startTime.isBetween(dayjs(time), dayjs(time).add(length, "minutes"))) {
t = false;
}
});
}
return t;
}
function isOutOfBounds(
time: dayjs.ConfigType,
{ periodType, periodDays, periodCountCalendarDays, periodStartDate, periodEndDate, timeZone }
): boolean {
const date = dayjs(time);
switch (periodType) {
case "rolling": {
const periodRollingEndDay = periodCountCalendarDays
? dayjs().tz(timeZone).add(periodDays, "days").endOf("day")
: dayjs().tz(timeZone).businessDaysAdd(periodDays, "days").endOf("day");
return date.endOf("day").isAfter(periodRollingEndDay);
}
case "range": {
const periodRangeStartDay = dayjs(periodStartDate).tz(timeZone).endOf("day");
const periodRangeEndDay = dayjs(periodEndDate).tz(timeZone).endOf("day");
return date.endOf("day").isBefore(periodRangeStartDay) || date.endOf("day").isAfter(periodRangeEndDay);
}
case "unlimited":
default:
return false;
}
}
interface GetLocationRequestFromIntegrationRequest {
location: string;
}
const getLocationRequestFromIntegration = ({ location }: GetLocationRequestFromIntegrationRequest) => {
if (location === LocationType.GoogleMeet.valueOf()) {
const requestId = uuidv5(location, uuidv5.URL);
return {
conferenceData: {
createRequest: {
requestId: requestId,
},
},
};
}
return null;
};
async function rescheduleEvent(
rescheduleUid: string | string[],
results: unknown[],
calendarCredentials: unknown[],
evt: CalendarEvent,
videoCredentials: unknown[],
referencesToCreate: { type: string; uid: string }[]
): Promise<{
referencesToCreate: { type: string; uid: string }[];
results: unknown[];
error: { errorCode: string; message: string } | null;
}> {
// Reschedule event
const booking = await prisma.booking.findFirst({
where: {
uid: rescheduleUid,
},
select: {
id: true,
references: {
select: {
id: true,
type: true,
uid: true,
},
},
},
});
// Use all integrations
results = results.concat(
await async.mapLimit(calendarCredentials, 5, async (credential) => {
const bookingRefUid = booking.references.filter((ref) => ref.type === credential.type)[0].uid;
return updateEvent(credential, bookingRefUid, evt)
.then((response) => ({ type: credential.type, success: true, response }))
.catch((e) => {
log.error("updateEvent failed", e, evt);
return { type: credential.type, success: false };
});
})
);
results = results.concat(
await async.mapLimit(videoCredentials, 5, async (credential) => {
const bookingRefUid = booking.references.filter((ref) => ref.type === credential.type)[0].uid;
return updateMeeting(credential, bookingRefUid, evt)
.then((response) => ({ type: credential.type, success: true, response }))
.catch((e) => {
log.error("updateMeeting failed", e, evt);
return { type: credential.type, success: false };
});
})
);
if (results.length > 0 && results.every((res) => !res.success)) {
const error = {
errorCode: "BookingReschedulingMeetingFailed",
message: "Booking Rescheduling failed",
};
return { referencesToCreate: [], results: [], error: error };
}
// Clone elements
referencesToCreate = [...booking.references];
// Now we can delete the old booking and its references.
const bookingReferenceDeletes = prisma.bookingReference.deleteMany({
where: {
bookingId: booking.id,
},
});
const attendeeDeletes = prisma.attendee.deleteMany({
where: {
bookingId: booking.id,
},
});
const bookingDeletes = prisma.booking.delete({
where: {
uid: rescheduleUid,
},
});
await Promise.all([bookingReferenceDeletes, attendeeDeletes, bookingDeletes]);
return { error: undefined, results, referencesToCreate };
}
export async function scheduleEvent(
results: unknown[],
calendarCredentials: unknown[],
evt: CalendarEvent,
videoCredentials: unknown[],
referencesToCreate: { type: string; uid: string }[]
): Promise<{
referencesToCreate: { type: string; uid: string }[];
results: unknown[];
error: { errorCode: string; message: string } | null;
}> {
// Schedule event
results = results.concat(
await async.mapLimit(calendarCredentials, 5, async (credential) => {
return createEvent(credential, evt)
.then((response) => ({ type: credential.type, success: true, response }))
.catch((e) => {
log.error("createEvent failed", e, evt);
return { type: credential.type, success: false };
});
})
);
results = results.concat(
await async.mapLimit(videoCredentials, 5, async (credential) => {
return createMeeting(credential, evt)
.then((response) => ({ type: credential.type, success: true, response }))
.catch((e) => {
log.error("createMeeting failed", e, evt);
return { type: credential.type, success: false };
});
})
);
if (results.length > 0 && results.every((res) => !res.success)) {
const error = {
errorCode: "BookingCreatingMeetingFailed",
message: "Booking failed",
};
return { referencesToCreate: [], results: [], error: error };
}
referencesToCreate = results.map((result) => {
return {
type: result.type,
uid: result.response.createdEvent.id.toString(),
};
});
return { error: undefined, results, referencesToCreate };
}
export async function handleLegacyConfirmationMail(
results: unknown[],
selectedEventType: { requiresConfirmation: boolean },
evt: CalendarEvent,
hashUID
): Promise<{ error: Exception; message: string | null }> {
if (results.length === 0 && !selectedEventType.requiresConfirmation) {
// Legacy as well, as soon as we have a separate email integration class. Just used
// to send an email even if there is no integration at all.
try {
const mail = new EventAttendeeMail(evt, hashUID);
await mail.sendEmail();
} catch (e) {
return { error: e, message: "Booking failed" };
}
}
return null;
}
export default async function handler(req: NextApiRequest, res: NextApiResponse): Promise<void> {
const { user } = req.query;
log.debug(`Booking ${user} started`);
try {
const isTimeInPast = (time) => {
return dayjs(time).isBefore(new Date(), "day");
};
if (isTimeInPast(req.body.start)) {
const error = {
errorCode: "BookingDateInPast",
message: "Attempting to create a meeting in the past.",
};
log.error(`Booking ${user} failed`, error);
return res.status(400).json(error);
}
let currentUser = await prisma.user.findFirst({
where: {
username: user,
},
select: {
id: true,
credentials: true,
timeZone: true,
email: true,
name: true,
},
});
const selectedCalendars = await prisma.selectedCalendar.findMany({
where: {
userId: currentUser.id,
},
});
// Split credentials up into calendar credentials and video credentials
let calendarCredentials = currentUser.credentials.filter((cred) => cred.type.endsWith("_calendar"));
let videoCredentials = currentUser.credentials.filter((cred) => cred.type.endsWith("_video"));
const hasCalendarIntegrations =
currentUser.credentials.filter((cred) => cred.type.endsWith("_calendar")).length > 0;
const hasVideoIntegrations =
currentUser.credentials.filter((cred) => cred.type.endsWith("_video")).length > 0;
const calendarAvailability = await getBusyCalendarTimes(
currentUser.credentials,
dayjs(req.body.start).startOf("day").utc().format(),
dayjs(req.body.end).endOf("day").utc().format(),
selectedCalendars
);
const videoAvailability = await getBusyVideoTimes(
currentUser.credentials,
dayjs(req.body.start).startOf("day").utc().format(),
dayjs(req.body.end).endOf("day").utc().format()
);
let commonAvailability = [];
if (hasCalendarIntegrations && hasVideoIntegrations) {
commonAvailability = calendarAvailability.filter((availability) =>
videoAvailability.includes(availability)
);
} else if (hasVideoIntegrations) {
commonAvailability = videoAvailability;
} else if (hasCalendarIntegrations) {
commonAvailability = calendarAvailability;
}
// Now, get the newly stored credentials (new refresh token for example).
currentUser = await prisma.user.findFirst({
where: {
username: user,
},
select: {
id: true,
credentials: true,
timeZone: true,
email: true,
name: true,
},
});
calendarCredentials = currentUser.credentials.filter((cred) => cred.type.endsWith("_calendar"));
videoCredentials = currentUser.credentials.filter((cred) => cred.type.endsWith("_video"));
const rescheduleUid = req.body.rescheduleUid;
const selectedEventType = await prisma.eventType.findFirst({
where: {
userId: currentUser.id,
id: req.body.eventTypeId,
},
select: {
eventName: true,
title: true,
length: true,
periodType: true,
periodDays: true,
periodStartDate: true,
periodEndDate: true,
periodCountCalendarDays: true,
requiresConfirmation: true,
},
});
const rawLocation = req.body.location;
let evt: CalendarEvent = {
type: selectedEventType.title,
title: getEventName(req.body.name, selectedEventType.title, selectedEventType.eventName),
description: req.body.notes,
startTime: req.body.start,
endTime: req.body.end,
organizer: { email: currentUser.email, name: currentUser.name, timeZone: currentUser.timeZone },
attendees: [{ email: req.body.email, name: req.body.name, timeZone: req.body.timeZone }],
};
// If phone or inPerson use raw location
// set evt.location to req.body.location
if (!rawLocation?.includes("integration")) {
evt.location = rawLocation;
}
// If location is set to an integration location
// Build proper transforms for evt object
// Extend evt object with those transformations
if (rawLocation?.includes("integration")) {
const maybeLocationRequestObject = getLocationRequestFromIntegration({
location: rawLocation,
});
evt = merge(evt, maybeLocationRequestObject);
}
const eventType = await prisma.eventType.findFirst({
where: {
userId: currentUser.id,
title: evt.type,
},
select: {
id: true,
},
});
let isAvailableToBeBooked = true;
try {
isAvailableToBeBooked = isAvailable(commonAvailability, req.body.start, selectedEventType.length);
} catch {
log.debug({
message: "Unable set isAvailableToBeBooked. Using true. ",
});
}
if (!isAvailableToBeBooked) {
const error = {
errorCode: "BookingUserUnAvailable",
message: `${currentUser.name} is unavailable at this time.`,
};
log.debug(`Booking ${user} failed`, error);
return res.status(400).json(error);
}
let timeOutOfBounds = false;
try {
timeOutOfBounds = isOutOfBounds(req.body.start, {
periodType: selectedEventType.periodType,
periodDays: selectedEventType.periodDays,
periodEndDate: selectedEventType.periodEndDate,
periodStartDate: selectedEventType.periodStartDate,
periodCountCalendarDays: selectedEventType.periodCountCalendarDays,
timeZone: currentUser.timeZone,
});
} catch {
log.debug({
message: "Unable set timeOutOfBounds. Using false. ",
});
}
if (timeOutOfBounds) {
const error = {
errorCode: "BookingUserUnAvailable",
message: `${currentUser.name} is unavailable at this time.`,
};
log.debug(`Booking ${user} failed`, error);
return res.status(400).json(error);
}
let results = [];
let referencesToCreate = [];
if (rescheduleUid) {
const __ret = await rescheduleEvent(
rescheduleUid,
results,
calendarCredentials,
evt,
videoCredentials,
referencesToCreate
);
if (__ret.error) {
log.error(`Booking ${user} failed`, __ret.error, results);
return res.status(500).json(__ret.error);
}
results = __ret.results;
referencesToCreate = __ret.referencesToCreate;
} else if (!selectedEventType.requiresConfirmation) {
const __ret = await scheduleEvent(
results,
calendarCredentials,
evt,
videoCredentials,
referencesToCreate
);
if (__ret.error) {
log.error(`Booking ${user} failed`, __ret.error, results);
return res.status(500).json(__ret.error);
}
results = __ret.results;
referencesToCreate = __ret.referencesToCreate;
}
const hashUID =
results.length > 0
? results[0].response.uid
: translator.fromUUID(uuidv5(JSON.stringify(evt), uuidv5.URL));
// TODO Should just be set to the true case as soon as we have a "bare email" integration class.
// UID generation should happen in the integration itself, not here.
const legacyMailError = await handleLegacyConfirmationMail(results, selectedEventType, evt, hashUID);
if (legacyMailError) {
log.error("Sending legacy event mail failed", legacyMailError.error);
log.error(`Booking ${user} failed`);
res.status(500).json({ message: legacyMailError.message });
return;
}
try {
await prisma.booking.create({
data: {
uid: hashUID,
userId: currentUser.id,
references: {
create: referencesToCreate,
},
eventTypeId: eventType.id,
title: evt.title,
description: evt.description,
startTime: evt.startTime,
endTime: evt.endTime,
attendees: {
create: evt.attendees,
},
confirmed: !selectedEventType.requiresConfirmation,
},
});
} catch (e) {
log.error(`Booking ${user} failed`, "Error when saving booking to db", e);
res.status(500).json({ message: "Booking already exists" });
return;
}
if (selectedEventType.requiresConfirmation) {
await new EventOrganizerRequestMail(evt, hashUID).sendEmail();
}
log.debug(`Booking ${user} completed`);
return res.status(204).json({ message: "Booking completed" });
} catch (reason) {
log.error(`Booking ${user} failed`, reason);
return res.status(500).json({ message: "Booking failed for some unknown reason" });
}
}