Dart

Insert a New Google Calendar Event

See more Google Calendar Examples

Demonstrates how to insert a new Google Calendar event. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // This example uses a previously obtained access token having permission for the 
  // Google Calendar scope.

  // In this example, Get Google Calendar OAuth2 Access Token, the access
  // token was saved to a JSON file.  This example fetches the access token from the file..
  final jsonToken = CkJsonObject();
  jsonToken.loadFile('qa_data/tokens/googleCalendar.json');
  if (!jsonToken.hasMember('access_token')) {
    print('No access token found.');
    return;
  }

  final http = CkHttp();
  http.authToken = jsonToken.stringOf('access_token');

  // Build a Google Calendar event:
  final json = CkJsonObject();
  json.emitCompact = false;
  json.updateString('kind', 'calendar#event');
  json.updateString('summary', 'Eat Lou Malnati\'s Pizza');
  json.updateString('start.dateTime', '2021-03-12T12:00:00-05:00');
  json.updateString('end.dateTime', '2021-03-12T13:00:00-05:00');

  print(json.emit());

  // This is the event JSON we'll be sending the HTTP POST:

  // {
  //   "kind": "calendar#event",
  //   "summary": "Eat Lou Malnati's Pizza",
  //   "start": {
  //     "dateTime": "2021-03-12T12:00:00-05:00"
  //   },
  //   "end": {
  //     "dateTime": "2021-03-12T13:00:00-05:00"
  //   }
  // }

  final url = 'https://www.googleapis.com/calendar/v3/calendars/{\$calendarId}/events';
  http.setUrlVar('calendarId', 'primary');
  final resp = CkHttpResponse();
  try {
    http.httpJson('POST', url, json, 'application/json', resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final jsonResp = CkJsonObject();
  jsonResp.emitCompact = false;
  jsonResp.load(resp.bodyStr);

  if (resp.statusCode == 200) {
    // Success.
    // The newly created event resource JSON is returned.
    print(jsonResp.emit());
  } else {
    if (resp.statusCode == 401) {
      print('Try refreshing the access token and then retry...');
    }

    // Failed. 
    // Show the JSON error response.
    print(jsonResp.emit());
  }

  // A successful response body:

  // {
  //   "kind": "calendar#event",
  //   "etag": "\"3004969011208000\"",
  //   "id": "v7kvmsvsoms3hjl5uq423jqhb0",
  //   "status": "confirmed",
  //   "htmlLink": "https://www.google.com/calendar/event?eid=djdrdm1zdnNvbXMzaGpsNXVxNDIzanFoYjAgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
  //   "created": "2017-08-11T20:48:25.000Z",
  //   "updated": "2017-08-11T20:48:25.604Z",
  //   "summary": "Eat Lou Malnati's Pizza",
  //   "creator": {
  //     "email": "support@chilkatcloud.com",
  //     "self": true
  //   },
  //   "organizer": {
  //     "email": "support@chilkatcloud.com",
  //     "self": true
  //   },
  //   "start": {
  //     "dateTime": "2017-08-12T12:00:00-05:00"
  //   },
  //   "end": {
  //     "dateTime": "2017-08-12T13:00:00-05:00"
  //   },
  //   "iCalUID": "v7kvmsvsoms3hjl5uq423jqhb0@google.com",
  //   "sequence": 0,
  //   "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.v7kvmsvsoms3hjl5uq423jqhb0",
  //   "reminders": {
  //     "useDefault": true
  //   }
  // }
}