cal.pub0.org/packages/app-store/googlecalendar/lib/CalendarService.ts

400 lines
13 KiB
TypeScript

import { Credential, Prisma } from "@prisma/client";
import { calendar_v3, google } from "googleapis";
import { getLocation, getRichDescription } from "@calcom/lib/CalEventParser";
import CalendarService from "@calcom/lib/CalendarService";
import logger from "@calcom/lib/logger";
import prisma from "@calcom/prisma";
import type {
Calendar,
CalendarEvent,
EventBusyDate,
IntegrationCalendar,
NewCalendarEventType,
} from "@calcom/types/Calendar";
import { getGoogleAppKeys } from "./getGoogleAppKeys";
import { googleCredentialSchema } from "./googleCredentialSchema";
interface GoogleCalError extends Error {
code?: number;
}
export default class GoogleCalendarService implements Calendar {
private integrationName = "";
private auth: { getToken: () => Promise<MyGoogleAuth> };
private log: typeof logger;
constructor(credential: Credential) {
this.integrationName = "google_calendar";
this.auth = this.googleAuth(credential);
this.log = logger.getChildLogger({ prefix: [`[[lib] ${this.integrationName}`] });
}
private googleAuth = (credential: Credential) => {
const googleCredentials = googleCredentialSchema.parse(credential.key);
async function getGoogleAuth() {
const { client_id, client_secret, redirect_uris } = await getGoogleAppKeys();
const myGoogleAuth = new MyGoogleAuth(client_id, client_secret, redirect_uris[0]);
myGoogleAuth.setCredentials(googleCredentials);
return myGoogleAuth;
}
const refreshAccessToken = async (myGoogleAuth: Awaited<ReturnType<typeof getGoogleAuth>>) => {
try {
const { res } = await myGoogleAuth.refreshToken(googleCredentials.refresh_token);
const token = res?.data;
googleCredentials.access_token = token.access_token;
googleCredentials.expiry_date = token.expiry_date;
const key = googleCredentialSchema.parse(googleCredentials);
await prisma.credential.update({
where: { id: credential.id },
data: { key },
});
myGoogleAuth.setCredentials(googleCredentials);
} catch (err) {
this.log.error("Error refreshing google token", err);
}
return myGoogleAuth;
};
return {
getToken: async () => {
const myGoogleAuth = await getGoogleAuth();
const isExpired = () => myGoogleAuth.isTokenExpiring();
return !isExpired() ? Promise.resolve(myGoogleAuth) : refreshAccessToken(myGoogleAuth);
},
};
};
async createEvent(calEventRaw: CalendarEvent): Promise<NewCalendarEventType> {
return new Promise(async (resolve, reject) => {
const myGoogleAuth = await this.auth.getToken();
const payload: calendar_v3.Schema$Event = {
summary: calEventRaw.title,
description: getRichDescription(calEventRaw),
start: {
dateTime: calEventRaw.startTime,
timeZone: calEventRaw.organizer.timeZone,
},
end: {
dateTime: calEventRaw.endTime,
timeZone: calEventRaw.organizer.timeZone,
},
attendees: [
{
...calEventRaw.organizer,
id: String(calEventRaw.organizer.id),
organizer: true,
responseStatus: "accepted",
},
// eslint-disable-next-line
...calEventRaw.attendees.map(({ id, ...rest }) => ({
...rest,
responseStatus: "accepted",
})),
],
reminders: {
useDefault: true,
},
guestsCanSeeOtherGuests: calEventRaw.seatsShowAttendees,
};
if (calEventRaw.location) {
payload["location"] = getLocation(calEventRaw);
}
if (calEventRaw.conferenceData && calEventRaw.location === "integrations:google:meet") {
payload["conferenceData"] = calEventRaw.conferenceData;
}
const calendar = google.calendar({
version: "v3",
});
const selectedCalendar = calEventRaw.destinationCalendar?.externalId
? calEventRaw.destinationCalendar.externalId
: "primary";
calendar.events.insert(
{
auth: myGoogleAuth,
calendarId: selectedCalendar,
requestBody: payload,
conferenceDataVersion: 1,
},
function (error, event) {
if (error || !event?.data) {
console.error("There was an error contacting google calendar service: ", error);
return reject(error);
}
if (event && event.data.id && event.data.hangoutLink) {
calendar.events.patch({
// Update the same event but this time we know the hangout link
calendarId: selectedCalendar,
auth: myGoogleAuth,
eventId: event.data.id || "",
requestBody: {
description: getRichDescription({
...calEventRaw,
additionalInformation: { hangoutLink: event.data.hangoutLink },
}),
},
});
}
return resolve({
uid: "",
...event.data,
id: event.data.id || "",
additionalInfo: {
hangoutLink: event.data.hangoutLink || "",
},
type: "google_calendar",
password: "",
url: "",
});
}
);
});
}
async updateEvent(uid: string, event: CalendarEvent, externalCalendarId: string): Promise<any> {
return new Promise(async (resolve, reject) => {
const myGoogleAuth = await this.auth.getToken();
const payload: calendar_v3.Schema$Event = {
summary: event.title,
description: getRichDescription(event),
start: {
dateTime: event.startTime,
timeZone: event.organizer.timeZone,
},
end: {
dateTime: event.endTime,
timeZone: event.organizer.timeZone,
},
attendees: [
{
...event.organizer,
id: String(event.organizer.id),
organizer: true,
responseStatus: "accepted",
},
// eslint-disable-next-line
...event.attendees.map(({ id, ...rest }) => ({
...rest,
responseStatus: "accepted",
})),
],
reminders: {
useDefault: true,
},
guestsCanSeeOtherGuests: event.seatsShowAttendees,
};
if (event.location) {
payload["location"] = getLocation(event);
}
if (event.conferenceData && event.location === "integrations:google:meet") {
payload["conferenceData"] = event.conferenceData;
}
const calendar = google.calendar({
version: "v3",
auth: myGoogleAuth,
});
const selectedCalendar = externalCalendarId
? externalCalendarId
: event.destinationCalendar?.externalId;
calendar.events.update(
{
auth: myGoogleAuth,
calendarId: selectedCalendar,
eventId: uid,
sendNotifications: true,
sendUpdates: "all",
requestBody: payload,
conferenceDataVersion: 1,
},
function (err, evt) {
if (err) {
console.error("There was an error contacting google calendar service: ", err);
return reject(err);
}
if (evt && evt.data.id && evt.data.hangoutLink && event.location === "integrations:google:meet") {
calendar.events.patch({
// Update the same event but this time we know the hangout link
calendarId: selectedCalendar,
auth: myGoogleAuth,
eventId: evt.data.id || "",
requestBody: {
description: getRichDescription({
...event,
additionalInformation: { hangoutLink: evt.data.hangoutLink },
}),
},
});
return resolve({
uid: "",
...evt.data,
id: evt.data.id || "",
additionalInfo: {
hangoutLink: evt.data.hangoutLink || "",
},
type: "google_calendar",
password: "",
url: "",
});
}
return resolve(evt?.data);
}
);
});
}
async deleteEvent(uid: string, event: CalendarEvent, externalCalendarId?: string | null): Promise<void> {
return new Promise(async (resolve, reject) => {
const myGoogleAuth = await this.auth.getToken();
const calendar = google.calendar({
version: "v3",
auth: myGoogleAuth,
});
const defaultCalendarId = "primary";
const calendarId = externalCalendarId ? externalCalendarId : event.destinationCalendar?.externalId;
calendar.events.delete(
{
auth: myGoogleAuth,
calendarId: calendarId ? calendarId : defaultCalendarId,
eventId: uid,
sendNotifications: true,
sendUpdates: "all",
},
function (err: GoogleCalError | null, event) {
if (err) {
/**
* 410 is when an event is already deleted on the Google cal before on cal.com
* 404 is when the event is on a different calendar
*/
if (err.code === 410) return resolve();
console.error("There was an error contacting google calendar service: ", err);
if (err.code === 404) return resolve();
return reject(err);
}
return resolve(event?.data);
}
);
});
}
async getAvailability(
dateFrom: string,
dateTo: string,
selectedCalendars: IntegrationCalendar[]
): Promise<EventBusyDate[]> {
return new Promise(async (resolve, reject) => {
const myGoogleAuth = await this.auth.getToken();
const calendar = google.calendar({
version: "v3",
auth: myGoogleAuth,
});
const selectedCalendarIds = selectedCalendars
.filter((e) => e.integration === this.integrationName)
.map((e) => e.externalId);
if (selectedCalendarIds.length === 0 && selectedCalendars.length > 0) {
// Only calendars of other integrations selected
resolve([]);
return;
}
(selectedCalendarIds.length === 0
? calendar.calendarList
.list()
.then((cals) => cals.data.items?.map((cal) => cal.id).filter(Boolean) || [])
: Promise.resolve(selectedCalendarIds)
)
.then((calsIds) => {
calendar.freebusy.query(
{
requestBody: {
timeMin: dateFrom,
timeMax: dateTo,
items: calsIds.map((id) => ({ id: id })),
},
},
(err, apires) => {
if (err) return reject(err);
// If there's no calendar we just skip
if (!apires?.data.calendars) return resolve([]);
const result = Object.values(apires.data.calendars).reduce((c, i) => {
i.busy?.forEach((busyTime) => {
c.push({
start: busyTime.start || "",
end: busyTime.end || "",
});
});
return c;
}, [] as Prisma.PromiseReturnType<CalendarService["getAvailability"]>);
resolve(result);
}
);
})
.catch((err) => {
this.log.error("There was an error contacting google calendar service: ", err);
reject(err);
});
});
}
async listCalendars(): Promise<IntegrationCalendar[]> {
return new Promise(async (resolve, reject) => {
const myGoogleAuth = await this.auth.getToken();
const calendar = google.calendar({
version: "v3",
auth: myGoogleAuth,
});
calendar.calendarList
.list()
.then((cals) => {
resolve(
cals.data.items?.map((cal) => {
const calendar: IntegrationCalendar = {
externalId: cal.id ?? "No id",
integration: this.integrationName,
name: cal.summary ?? "No name",
primary: cal.primary ?? false,
readOnly: !(cal.accessRole === "reader" || cal.accessRole === "owner") && true,
};
return calendar;
}) || []
);
})
.catch((err: Error) => {
this.log.error("There was an error contacting google calendar service: ", err);
reject(err);
});
});
}
}
class MyGoogleAuth extends google.auth.OAuth2 {
constructor(client_id: string, client_secret: string, redirect_uri: string) {
super(client_id, client_secret, redirect_uri);
}
isTokenExpiring() {
return super.isTokenExpiring();
}
async refreshToken(token: string | null | undefined) {
return super.refreshToken(token);
}
}