(C++) List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account.

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#include <CkJsonObject.h>
#include <CkHttp.h>

void ChilkatSample(void)
    {
    // 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..
    CkJsonObject jsonToken;
    bool success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json");
    if (jsonToken.HasMember("access_token") == false) {
        std::cout << "No access token found." << "\r\n";
        return;
    }

    CkHttp http;
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    const char *jsonResponse = http.quickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList");
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << jsonResponse << "\r\n";
    std::cout << "-----------------------------" << "\r\n";

    // 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..
    CkJsonObject json;
    json.Load(jsonResponse);

    int numCalendars = json.SizeOfArray("items");
    int i = 0;
    while (i < numCalendars) {
        std::cout << "--- " << i << " ---" << "\r\n";
        json.put_I(i);
        std::cout << "kind: " << json.stringOf("items[i].kind") << "\r\n";
        std::cout << "id: " << json.stringOf("items[i].id") << "\r\n";

        // Examine the notification settings, if any..
        int numSettings = json.SizeOfArray("items[i].notificationSettings.notifications");
        if (numSettings > 0) {
            int j = 0;
            while (j < numSettings) {
                json.put_J(j);
                std::cout << "Notification Type: " << json.stringOf("items[i].notificationSettings.notifications[j].type") << "\r\n";
                std::cout << "Notification Method: " << json.stringOf("items[i].notificationSettings.notifications[j].method") << "\r\n";
                j = j + 1;
            }

        }

        i = i + 1;
    }
    }