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

void ChilkatSample(void)
    {
    HCkHttpW http;
    BOOL success;
    HCkJsonObjectW json;
    const wchar_t *url;
    const wchar_t *responseStr;
    HCkJsonObjectW jsonResp;
    const wchar_t *authcode;
    const wchar_t *respproc;
    const wchar_t *amount;
    const wchar_t *resptext;
    const wchar_t *currency;
    const wchar_t *retref;
    const wchar_t *respstat;
    const wchar_t *respcode;
    const wchar_t *merchid;

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

    http = CkHttpW_Create();

    CkHttpW_putBasicAuth(http,TRUE);
    CkHttpW_putLogin(http,L"API_USERNAME");
    CkHttpW_putPassword(http,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"
    // }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"retref",L"112989260941");
    CkJsonObjectW_UpdateString(json,L"merchid",L"MERCHANT_ID");

    url = L"https://<site>.cardconnect.com:<port>/cardconnect/rest/void";
    responseStr = CkHttpW_putText(http,url,CkJsonObjectW_emit(json),L"utf-8",L"application/json",FALSE,FALSE);
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        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",CkHttpW_getLastStatus(http));

    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_Load(jsonResp,responseStr);
    CkJsonObjectW_putEmitCompact(jsonResp,FALSE);

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

    // 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

    authcode = CkJsonObjectW_stringOf(jsonResp,L"authcode");
    respproc = CkJsonObjectW_stringOf(jsonResp,L"respproc");
    amount = CkJsonObjectW_stringOf(jsonResp,L"amount");
    resptext = CkJsonObjectW_stringOf(jsonResp,L"resptext");
    currency = CkJsonObjectW_stringOf(jsonResp,L"currency");
    retref = CkJsonObjectW_stringOf(jsonResp,L"retref");
    respstat = CkJsonObjectW_stringOf(jsonResp,L"respstat");
    respcode = CkJsonObjectW_stringOf(jsonResp,L"respcode");
    merchid = CkJsonObjectW_stringOf(jsonResp,L"merchid");


    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkJsonObjectW_Dispose(jsonResp);

    }