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 <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObjectW jsonToken;
    HCkHttpW http;
    HCkJsonObjectW json;
    const wchar_t *url;
    HCkHttpResponseW resp;
    HCkJsonObjectW jsonResp;

    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..
    jsonToken = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/googleCalendar.json");
    if (CkJsonObjectW_HasMember(jsonToken,L"access_token") == FALSE) {
        wprintf(L"No access token found.\n");
        CkJsonObjectW_Dispose(jsonToken);
        return;
    }

    http = CkHttpW_Create();
    CkHttpW_putAuthToken(http,CkJsonObjectW_stringOf(jsonToken,L"access_token"));

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

    wprintf(L"%s\n",CkJsonObjectW_emit(json));

    //  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"
    //    }
    //  }

    url = L"https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events";
    CkHttpW_SetUrlVar(http,L"calendarId",L"primary");
    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",url,json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkJsonObjectW_Dispose(jsonToken);
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_putEmitCompact(jsonResp,FALSE);
    CkJsonObjectW_Load(jsonResp,CkHttpResponseW_bodyStr(resp));

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

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

    //  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
    //    }
    //  }


    CkJsonObjectW_Dispose(jsonToken);
    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkHttpResponseW_Dispose(resp);
    CkJsonObjectW_Dispose(jsonResp);

    }