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import * as fs from 'fs';
import * as readline from 'readline';
import {google} from 'googleapis';
import {ISink} from './ISink';
import {IEvent} from '../core/IEvent';
const OAuth2Client = google.auth.OAuth2;
const scopes = ['https://www.googleapis.com/auth/calendar'];
const credentialsPath = 'etc/google/client_secret.json';
const tokenPath = 'etc/google/credentials.json';
const clientPromise = new Promise((resolve, reject) => {
fs.readFile(credentialsPath, (err, data) => {
if (err) return reject(err);
const credentials = JSON.parse(data.toString());
const {client_secret, client_id, redirect_uris} = credentials.installed;
const client = new OAuth2Client(client_id, client_secret, redirect_uris[0]);
fs.readFile(tokenPath, (err, data) => {
if (err) {
const authUrl = client.generateAuthUrl({
access_type: 'offline',
scope: scopes,
});
console.log('Authorize this app by visiting this url:', authUrl);
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
rl.question('Enter the code from that page here: ', code => {
rl.close();
client.getToken(code, (err, token) => {
if (err) return reject(err);
fs.writeFile(tokenPath, JSON.stringify(token), err => err ? console.error(err) : 0);
client.setCredentials(token);
resolve(client);
});
});
}
else {
client.setCredentials(JSON.parse(data.toString()));
resolve(client);
}
});
});
});
const calendarPromise = clientPromise.then(auth => google.calendar({version: 'v3', auth}));
export class GoogleCalendarSink implements ISink {
private _calendarId: string;
constructor(calendarId = 'primary') {
this._calendarId = calendarId;
}
createEvent(event: IEvent): Promise<void> {
const googleEvent = {
summary: event.summary,
description: event.description,
location: event.location,
start: {
dateTime: event.start.toISOString()
},
end: {
dateTime: event.end.toISOString()
},
reminders: {
useDefault: false
}
};
return calendarPromise.then(calendar => {
return new Promise<void>((resolve, reject) => {
calendar.events.insert({
calendarId: this._calendarId,
resource: googleEvent,
}, function (err, event) {
if (err) return reject(err);
resolve();
});
});
});
}
commit(): Promise<void> {
return Promise.resolve();
}
}
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