(Unicode C) Xero Get File Content (Files API)

Demonstrates how to download the content of a Xero file.

Note: This example requires Chilkat v9.5.0.64 or greater.

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#include <C_CkRestW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkBinDataW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL success;
    const wchar_t *fileID;
    HCkStringBuilderW sbPath;
    int numReplaced;
    HCkBinDataW jpgData;
    HCkStringBuilderW sbErrorText;

    // Note: Requires Chilkat v9.5.0.64 or greater.

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

    rest = CkRestW_Create();

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // ------------------------------------------------------------------------------
    fileID = L"f042e9a3-a31d-4595-b8b3-6030ea6084bb";

    sbPath = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbPath,L"/files.xro/1.0/Files/{FileId}/Content");
    numReplaced = CkStringBuilderW_Replace(sbPath,L"{FileId}",fileID);

    jpgData = CkBinDataW_Create();
    success = CkRestW_FullRequestNoBodyBd(rest,L"GET",CkStringBuilderW_getAsString(sbPath),jpgData);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkBinDataW_Dispose(jpgData);
        return;
    }

    // A 200 response is expected for actual success.
    // If we don't get a 200 response, then the response body was not actually
    // the file data, but it was text containing error information.
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        sbErrorText = CkStringBuilderW_Create();
        CkStringBuilderW_AppendBd(sbErrorText,jpgData,L"utf-8",0,0);
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbErrorText));
        wprintf(L"-- Failed.\n");
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkBinDataW_Dispose(jpgData);
        CkStringBuilderW_Dispose(sbErrorText);
        return;
    }

    // Save to a local file.
    success = CkBinDataW_WriteFile(jpgData,L"qa_output/xero_penguins.jpg");
    if (success != TRUE) {
        wprintf(L"Failed to save to local file.\n");
    }

    wprintf(L"Xero Get File was Successful.\n");


    CkRestW_Dispose(rest);
    CkStringBuilderW_Dispose(sbPath);
    CkBinDataW_Dispose(jpgData);
    CkStringBuilderW_Dispose(sbErrorText);

    }