(Unicode C++) CardConnect Void

Demonstrates how to send a CardConnect void request.

The void service cancels a transaction that is in either "Authorized" or "Queued for Capture" status.. ...

See https://developer.cardconnect.com/cardconnect-api#void

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

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

    CkHttpW http;
    bool success;

    http.put_BasicAuth(true);
    http.put_Login(L"API_USERNAME");
    http.put_Password(L"API_PASSWORD");

    // Build and send the following JSON:

    // The "retref" is the value returned in the JSON response for the Authorization request.

    // {
    //     "retref":"112989260941",
    //     "merchid":"MERCHANT_ID"
    // }

    CkJsonObjectW json;
    json.UpdateString(L"retref",L"112989260941");
    json.UpdateString(L"merchid",L"MERCHANT_ID");

    const wchar_t *url = L"https://<site>.cardconnect.com:<port>/cardconnect/rest/void";
    const wchar_t *responseStr = http.putText(url,json.emit(),L"utf-8",L"application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    // A response status of 200 indicates potential success.  The JSON response body
    // must be examined to determine if it was truly successful or an error.
    wprintf(L"response status code = %d\n",http.get_LastStatus());

    CkJsonObjectW jsonResp;
    jsonResp.Load(responseStr);
    jsonResp.put_EmitCompact(false);

    wprintf(L"response JSON:\n");
    wprintf(L"%s\n",jsonResp.emit());

    // A successful response looks like this:

    // {
    //   "authcode": "REVERS",
    //   "respproc": "FNOR",
    //   "amount": "0.00",
    //   "resptext": "Approval",
    //   "currency": "USD",
    //   "retref": "112989260941",
    //   "respstat": "A",
    //   "respcode": "00",
    //   "merchid": "496160873888"
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    const wchar_t *authcode = jsonResp.stringOf(L"authcode");
    const wchar_t *respproc = jsonResp.stringOf(L"respproc");
    const wchar_t *amount = jsonResp.stringOf(L"amount");
    const wchar_t *resptext = jsonResp.stringOf(L"resptext");
    const wchar_t *currency = jsonResp.stringOf(L"currency");
    const wchar_t *retref = jsonResp.stringOf(L"retref");
    const wchar_t *respstat = jsonResp.stringOf(L"respstat");
    const wchar_t *respcode = jsonResp.stringOf(L"respcode");
    const wchar_t *merchid = jsonResp.stringOf(L"merchid");
    }