Wix Code - Google Calendar API Backend File 2

gcp.js

import wixData from 'wix-data';
const {google} = require("googleapis");

let options = {
	"suppressAuth": true //suppress db auth to allow secure db permissions
};

export async function insertNewEvent(summary, location, description, start, end, attendees) {
	const authorizedAuthClient = await createAuthorizedClient();
	return insertRow(authorizedAuthClient, summary, location, description, start, end, attendees);
}

//--------------------------------------------Create Authorized Client-----------------------------------------------//

async function createAuthorizedClient() {
	try {
		const oAuth2Client = await createClient();
		let tokens = await getTokens();
		oAuth2Client.setCredentials(tokens);
		const tokensRes = await oAuth2Client.refreshAccessToken(tokens);
		oAuth2Client.getTokenInfo(tokensRes); // checks validity of tokens
		return oAuth2Client;
	} catch (err) {
		console.log("failed to refreh token" + err);
	}
}

export async function createClient() {
	let val = await getClientConfig();
	let credentials = JSON.parse(val);
	const { client_secret, client_id, redirect_uris } = credentials.installed;
	return new google.auth.OAuth2(client_id, client_secret, redirect_uris[0]);
}

export async function getClientConfig() {
	const response = await wixData.query("config").eq('title', 'client config').find(options);
	if(response.items.length === 0) return null;
	return response.items[0].value;
}

//--------------------------------------------Create Access Token to validate the api call to Google-----------------------------------------------//

export async function getTokens() {
	const response = await wixData.query("config").eq('title', 'refresh token').find(options);
	if(response.items.length === 0) return null;
	return JSON.parse(response.items[0].value);
}

//--------------------------------------------Insert the new event-----------------------------------------------//

function insertRow(authorizedAuthClient, summary, location, description, start, end, attendees) {
	const calendar = google.calendar('v3');
	const event = {
		'summary': summary,
		'location': location,
		'description': description,
		'start': {
			'dateTime': start
		},
		'end': {
			'dateTime': end
		},
		'attendees': [
			attendees
		],
		'reminders': {
  			'useDefault': true
 		}
	};
	try {
		return calendar.events.insert({
			auth: authorizedAuthClient,
  			calendarId: 'primary',
  			resource: event,
	}, 
		function (err, response) {
			if (err) {
				console.log("error in append:" + err);
				return;
			}
			return "ok";
		});
	} catch (err) {
		console.log("error in append values" + err);
	}
}