C Google Calendar: Update (Patch) a Calendar Entry

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Updates an entry on the user's calendar list.
This example updates the "summary" for the calendar having the ID = "chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com". The new summary will be "Party Calendar".

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/calendarList/patch

#include <C_CkRest.h>
#include <C_CkOAuth2.h>
#include <C_CkJsonObject.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL success;
    HCkOAuth2 oauth2;
    HCkJsonObject jsonReq;
    HCkStringBuilder sbReq;
    HCkStringBuilder sbJson;
    HCkJsonObject json;
    const char *kind;
    const char *etag;
    const char *id;
    const char *summary;
    const char *timeZone;

    rest = CkRest_Create();

    //   Provide a previously obtained OAuth2 access token.
    oauth2 = CkOAuth2_Create();
    CkOAuth2_putAccessToken(oauth2,"OAUTH2_ACCESS_TOKEN");
    CkRest_SetAuthOAuth2(rest,oauth2);

    success = CkRest_Connect(rest,"www.googleapis.com",443,TRUE,TRUE);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        return;
    }

    //  The following code creates the JSON request body.
    //  The JSON created by this code is shown below.
    jsonReq = CkJsonObject_Create();
    CkJsonObject_UpdateString(jsonReq,"summary","Party Calendar");

    sbReq = CkStringBuilder_Create();
    CkJsonObject_EmitSb(jsonReq,sbReq);

    CkRest_AddHeader(rest,"Content-Type","application/json");

    sbJson = CkStringBuilder_Create();
    success = CkRest_FullRequestSb(rest,"PATCH","/calendar/v3/calendars/chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com",sbReq,sbJson);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        CkJsonObject_Dispose(jsonReq);
        CkStringBuilder_Dispose(sbReq);
        CkStringBuilder_Dispose(sbJson);
        return;
    }

    if (CkRest_getResponseStatusCode(rest) != 200) {
        printf("Received error response code: %d\n",CkRest_getResponseStatusCode(rest));
        printf("Response body:\n");
        printf("%s\n",CkStringBuilder_getAsString(sbJson));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        CkJsonObject_Dispose(jsonReq);
        CkStringBuilder_Dispose(sbReq);
        CkStringBuilder_Dispose(sbJson);
        return;
    }

    json = CkJsonObject_Create();
    CkJsonObject_LoadSb(json,sbJson);

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.

    kind = CkJsonObject_stringOf(json,"kind");
    etag = CkJsonObject_stringOf(json,"etag");
    id = CkJsonObject_stringOf(json,"id");
    summary = CkJsonObject_stringOf(json,"summary");
    timeZone = CkJsonObject_stringOf(json,"timeZone");

    printf("Example Completed.\n");


    CkRest_Dispose(rest);
    CkOAuth2_Dispose(oauth2);
    CkJsonObject_Dispose(jsonReq);
    CkStringBuilder_Dispose(sbReq);
    CkStringBuilder_Dispose(sbJson);
    CkJsonObject_Dispose(json);

    }

Sample JSON Request Body

{  
"summary": "Party Calendar" 
}



  

Sample JSON Response Body

{
  "kind": "calendar#calendar",
  "etag": "\"BKjXnZpXR6E5ueFWG3UJk-2POYg/jcCkAVFAjoCovUbrUQlnks64qfY\"",
  "id": "chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com",
  "summary": "Party Calendar",
  "timeZone": "UTC"
}