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import * as fs from 'fs';
import * as readline from 'readline';
import {google} from "googleapis";
const OAuth2Client = google.auth.OAuth2;
const scopes = ['https://www.googleapis.com/auth/calendar'];
const credentialsPath = 'client_secret.json';
const tokenPath = 'credentials.json';
export 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);
}
});
});
});
export const calendarPromise = clientPromise.then(auth => google.calendar({version: 'v3', auth}));
export async function listEvents() {
const calendar = await calendarPromise;
calendar.events.list({
calendarId: 'primary',
timeMin: (new Date()).toISOString(),
maxResults: 10,
singleEvents: true,
orderBy: 'startTime',
}, (err, data) => {
if (err) return console.log('The API returned an error: ' + err);
const events = data.data.items;
if (events.length) {
console.log('Upcoming 10 events:');
events.map((event, i) => {
const start = event.start.dateTime || event.start.date;
console.log(`${start} - ${event.summary}`);
});
} else {
console.log('No upcoming events found.');
}
});
}
export function createEvent(event, calendarId = 'primary') {
return calendarPromise.then(calendar => {
return new Promise((resolve, reject) => {
calendar.events.insert({
calendarId: calendarId,
resource: event,
}, function (err, event) {
if (err) return reject(err);
resolve(event);
});
})
});
}
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