React Scheduler - Google Calendar Integration

To display appointments from Google Calendar in the Scheduler, follow the steps below.

TS JS

Backend API

import 'whatwg-fetch'; import React from 'react'; import Scheduler, { type SchedulerTypes } from 'devextreme-react/scheduler'; import { CustomStore } from 'devextreme-react/common/data'; // eslint-disable-next-line space-before-function-paren const getData = async (_, requestOptions) => { const GOOGLE_CALENDAR_URL = 'https://www.googleapis.com/calendar/v3/calendars/'; const CALENDAR_ID = 'f7jnetm22dsjc3npc2lu3buvu4@group.calendar.google.com'; const PUBLIC_KEY = 'AIzaSyBnNAISIUKe6xdhq1_rjor2rxoI3UlMY7k'; const dataUrl = [GOOGLE_CALENDAR_URL, CALENDAR_ID, '/events?key=', PUBLIC_KEY].join(''); const response = await fetch(dataUrl, requestOptions); const data = await response.json(); return data.items; }; const dataSource = new CustomStore({ load: (options) => getData(options, { showDeleted: false }), }); const currentDate = new Date(2017, 4, 25); const views: SchedulerTypes.ViewType[] = ['day', 'workWeek', 'month']; const App = () => ( <React.Fragment> <div className="long-title"> <h3>Tasks for Employees (USA Office)</h3> </div> <Scheduler dataSource={dataSource} views={views} defaultCurrentView="workWeek" defaultCurrentDate={currentDate} height={500} startDayHour={7} editing={false} showAllDayPanel={false} startDateExpr="start.dateTime" endDateExpr="end.dateTime" textExpr="summary" timeZone="America/Los_Angeles" /> </React.Fragment> ); export default App;

import 'whatwg-fetch'; import React from 'react'; import Scheduler from 'devextreme-react/scheduler'; import { CustomStore } from 'devextreme-react/common/data'; // eslint-disable-next-line space-before-function-paren const getData = async (_, requestOptions) => { const GOOGLE_CALENDAR_URL = 'https://www.googleapis.com/calendar/v3/calendars/'; const CALENDAR_ID = 'f7jnetm22dsjc3npc2lu3buvu4@group.calendar.google.com'; const PUBLIC_KEY = 'AIzaSyBnNAISIUKe6xdhq1_rjor2rxoI3UlMY7k'; const dataUrl = [GOOGLE_CALENDAR_URL, CALENDAR_ID, '/events?key=', PUBLIC_KEY].join(''); const response = await fetch(dataUrl, requestOptions); const data = await response.json(); return data.items; }; const dataSource = new CustomStore({ load: (options) => getData(options, { showDeleted: false }), }); const currentDate = new Date(2017, 4, 25); const views = ['day', 'workWeek', 'month']; const App = () => ( <React.Fragment> <div className="long-title"> <h3>Tasks for Employees (USA Office)</h3> </div> <Scheduler dataSource={dataSource} views={views} defaultCurrentView="workWeek" defaultCurrentDate={currentDate} height={500} startDayHour={7} editing={false} showAllDayPanel={false} startDateExpr="start.dateTime" endDateExpr="end.dateTime" textExpr="summary" timeZone="America/Los_Angeles" /> </React.Fragment> ); export default App;

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));

<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>

.long-title h3 { font-family: "Segoe UI Light", "Helvetica Neue Light", "Segoe UI", "Helvetica Neue", "Trebuchet MS", Verdana; font-weight: 200; font-size: 28px; text-align: center; margin-bottom: 20px; }

Get Google API key
Follow the instructions from step 1 in the Browser Quickstart tutorial.
Restrict the API key
Set application and API restrictions.
Make your calendar public
Refer to the following help topic: Create & manage a public Google calendar.
Get the calendar ID
Open Google Calendar settings, choose the calendar to be integrated, and copy its ID from the Integrate calendar section.
Set up the Scheduler
Configure the CustomStore to load data from Google Calendar as shown in this demo. If a timeZone is specified in the Scheduler, ensure it is the same as in Google Calendar.