Unicode C++

Insert a New Google Calendar Event

See more Google Calendar Examples

Demonstrates how to insert a new Google Calendar event. Unicode C++

#include <CkJsonObjectW.h>
#include <CkHttpW.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  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..
    CkJsonObjectW jsonToken;
    success = jsonToken.LoadFile(L"qa_data/tokens/googleCalendar.json");
    if (jsonToken.HasMember(L"access_token") == false) {
        wprintf(L"No access token found.\n");
        return;
    }

    CkHttpW http;
    http.put_AuthToken(jsonToken.stringOf(L"access_token"));

    //  Build a Google Calendar event:
    CkJsonObjectW json;
    json.put_EmitCompact(false);
    json.UpdateString(L"kind",L"calendar#event");
    json.UpdateString(L"summary",L"Eat Lou Malnati's Pizza");
    json.UpdateString(L"start.dateTime",L"2021-03-12T12:00:00-05:00");
    json.UpdateString(L"end.dateTime",L"2021-03-12T13:00:00-05:00");

    wprintf(L"%s\n",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"
    //    }
    //  }

    const wchar_t *url = L"https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events";
    http.SetUrlVar(L"calendarId",L"primary");
    CkHttpResponseW resp;
    success = http.HttpJson(L"POST",url,json,L"application/json",resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkJsonObjectW jsonResp;
    jsonResp.put_EmitCompact(false);
    jsonResp.Load(resp.bodyStr());

    if (resp.get_StatusCode() == 200) {
        //  Success.
        //  The newly created event resource JSON is returned.
        wprintf(L"%s\n",jsonResp.emit());
    }
    else {
        if (resp.get_StatusCode() == 401) {
            wprintf(L"Try refreshing the access token and then retry...\n");
        }

        //  Failed. 
        //  Show the JSON error response.
        wprintf(L"%s\n",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
    //    }
    //  }
    }