(Node.js) List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // 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..
    var jsonToken = new chilkat.JsonObject();
    var success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json");
    if (jsonToken.HasMember("access_token") == false) {
        console.log("No access token found.");
        return;
    }

    var http = new chilkat.Http();
    http.AuthToken = jsonToken.StringOf("access_token");

    var jsonResponse = http.QuickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList");
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    console.log(jsonResponse);
    console.log("-----------------------------");

    // This is a sample JSON response:
    // (Sample code to iterate over the JSON response is shown below.)

    // {
    //  "kind": "calendar#calendarList",
    //  "etag": "\"p32cfpufit76da0g\"",
    //  "nextSyncToken": "CJj8-fLpzNUCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
    //  "items": [
    //   {
    //    "kind": "calendar#calendarListEntry",
    //    "etag": "\"1465249947472000\"",
    //    "id": "support@chilkatcloud.com",
    //    "summary": "support@chilkatcloud.com",
    //    "timeZone": "America/Chicago",
    //    "colorId": "14",
    //    "backgroundColor": "#9fe1e7",
    //    "foregroundColor": "#000000",
    //    "selected": true,
    //    "accessRole": "owner",
    //    "defaultReminders": [
    //     {
    //      "method": "popup",
    //      "minutes": 10
    //     }
    //    ],
    //    "notificationSettings": {
    //     "notifications": [
    //      {
    //       "type": "eventCreation",
    //       "method": "email"
    //      },
    //      {
    //       "type": "eventChange",
    //       "method": "email"
    //      },
    //      {
    //       "type": "eventCancellation",
    //       "method": "email"
    //      },
    //      {
    //       "type": "eventResponse",
    //       "method": "email"
    //      }
    //     ]
    //    },
    //    "primary": true
    //   },
    //   {
    //    "kind": "calendar#calendarListEntry",
    //    "etag": "\"1502373382732000\"",
    //    "id": "#contacts@group.v.calendar.google.com",
    //    "summary": "Contacts",
    //    "timeZone": "America/Chicago",
    //    "colorId": "13",
    //    "backgroundColor": "#92e1c0",
    //    "foregroundColor": "#000000",
    //    "selected": true,
    //    "accessRole": "reader",
    //    "defaultReminders": []
    //   },
    //   {
    //    "kind": "calendar#calendarListEntry",
    //    "etag": "\"1502373376447000\"",
    //    "id": "en.usa#holiday@group.v.calendar.google.com",
    //    "summary": "Holidays in United States",
    //    "timeZone": "America/Chicago",
    //    "colorId": "8",
    //    "backgroundColor": "#16a765",
    //    "foregroundColor": "#000000",
    //    "selected": true,
    //    "accessRole": "reader",
    //    "defaultReminders": []
    //   }
    //  ]
    // }
    // 

    // Iterate over the JSON response..
    var json = new chilkat.JsonObject();
    json.Load(jsonResponse);

    var numCalendars = json.SizeOfArray("items");
    var i = 0;
    while (i < numCalendars) {
        console.log("--- " + i + " ---");
        json.I = i;
        console.log("kind: " + json.StringOf("items[i].kind"));
        console.log("id: " + json.StringOf("items[i].id"));

        // Examine the notification settings, if any..
        var numSettings = json.SizeOfArray("items[i].notificationSettings.notifications");
        if (numSettings > 0) {
            var j = 0;
            while (j < numSettings) {
                json.J = j;
                console.log("Notification Type: " + json.StringOf("items[i].notificationSettings.notifications[j].type"));
                console.log("Notification Method: " + json.StringOf("items[i].notificationSettings.notifications[j].method"));
                j = j+1;
            }

        }

        i = i+1;
    }


}

chilkatExample();