(Unicode C++) Google Contacts - Adding/Updating a photo for a contact

Demonstrates how to upload a photo for a Google Contact.

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#include <CkJsonObjectW.h>
#include <CkAuthGoogleW.h>
#include <CkRestW.h>
#include <CkStringBuilderW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // --------------------------------------------------------------------------------------------------------
    // Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
    // Once connected, the REST object may be re-used for many REST API calls.
    // (It's a good idea to put the connection setup code in a separate function/subroutine.)
    // --------------------------------------------------------------------------------------------------------

    // It is assumed we previously obtained an OAuth2 access token.
    // This example loads the JSON access token file 
    // saved by this example: Get Google Contacts OAuth2 Access Token

    CkJsonObjectW jsonToken;
    bool success = jsonToken.LoadFile(L"qa_data/tokens/googleContacts.json");
    if (success != true) {
        wprintf(L"Failed to load googleContacts.json\n");
        return;
    }

    CkAuthGoogleW gAuth;
    gAuth.put_AccessToken(jsonToken.stringOf(L"access_token"));

    CkRestW rest;

    // Connect using TLS.
    bool bAutoReconnect = true;
    success = rest.Connect(L"www.google.com",443,true,bAutoReconnect);

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthGoogle(gAuth);

    // ----------------------------------------------
    // OK, the REST connection setup is completed..
    // ----------------------------------------------

    // To upload a photo for the contact, send the following:

    // 	PUT /m8/feeds/photos/media/default/contactId
    // 	If-match: Etag
    // 	Content-Type: image/*
    // 	...
    // 	[Photo data bytes]

    rest.AddHeader(L"GData-Version",L"3.0");
    rest.AddHeader(L"If-Match",L"*");
    rest.AddHeader(L"Content-Type",L"image/*");

    CkStringBuilderW sbPath;
    sbPath.Append(L"/m8/feeds/photos/media/default/{contactId}");
    // Upload a photo for the contact having contactId = "1ea2e4fe0ef24e09"
    int numReplacements = sbPath.Replace(L"{contactId}",L"1ea2e4fe0ef24e09");

    // Let's get our photo data..
    CkBinDataW pngData;
    success = pngData.LoadFile(L"qa_data/png/dude.png");

    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestBd(L"PUT",sbPath.getAsString(),pngData,sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        wprintf(L"response status code = %d\n",rest.get_ResponseStatusCode());
        wprintf(L"response status text = %s\n",rest.responseStatusText());
        wprintf(L"response header: %s\n",rest.responseHeader());
        wprintf(L"response body: %s\n",sbResponseBody.getAsString());
        return;
    }

    // If the 200 success response was received.
    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",sbResponseBody.getAsString());
    wprintf(L"Success.\n");
    }