(C) Get a Google Calendar

See more Google Calendar Examples

Demonstrates how to get a particular Google Calendar. The calendar can be referenced by the calendar ID, or by the keyword "primary".

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#include <C_CkJsonObject.h>
#include <C_CkHttp.h>

void ChilkatSample(void)
    {
    HCkJsonObject jsonToken;
    BOOL success;
    HCkHttp http;
    const char *jsonResponse;
    HCkJsonObject json;
    int numSettings;
    int i;

    // 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 = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/googleCalendar.json");
    if (CkJsonObject_HasMember(jsonToken,"access_token") == FALSE) {
        printf("No access token found.\n");
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    // Let's get the primary calendar.
    jsonResponse = CkHttp_quickGetStr(http,"https://www.googleapis.com/calendar/v3/users/me/calendarList/primary");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(jsonToken);
        CkHttp_Dispose(http);
        return;
    }

    printf("%s\n",jsonResponse);

    // A sample response is:

    // {
    //  "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
    // }

    // It can be parsed like this:
    json = CkJsonObject_Create();
    CkJsonObject_Load(json,jsonResponse);

    printf("kind: %s\n",CkJsonObject_stringOf(json,"kind"));
    printf("id: %s\n",CkJsonObject_stringOf(json,"id"));

    // Examine the notification settings, if any..
    numSettings = CkJsonObject_SizeOfArray(json,"notificationSettings.notifications");
    if (numSettings > 0) {
        i = 0;
        while (i < numSettings) {
            CkJsonObject_putI(json,i);
            printf("Notification Type: %s\n",CkJsonObject_stringOf(json,"notificationSettings.notifications[i].type"));
            printf("Notification Method: %s\n",CkJsonObject_stringOf(json,"notificationSettings.notifications[i].method"));
            i = i + 1;
        }

    }



    CkJsonObject_Dispose(jsonToken);
    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }