Unicode C++

DocuSign Download Envelope Document (PDF)

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Retrieves the specified document from the envelope. The response body of this method is the PDF file as a byte stream. You can get the file name and document ID from the response's Content-Disposition header. Unicode C++

#include <CkHttpW.h>
#include <CkJsonObjectW.h>
#include <CkBinDataW.h>
#include <CkMimeW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    // Implements the following HTTP request:
    // GET /restapi/v2.1/accounts/{accountId}/envelopes/{envelopeId}/documents/1

    // Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
    CkJsonObjectW jsonToken;
    // Load a previously obtained OAuth2 access token.
    success = jsonToken.LoadFile(L"qa_data/tokens/docusign.json");
    if (success == false) {
        wprintf(L"%s\n",jsonToken.lastErrorText());
        return;
    }

    http.put_AuthToken(jsonToken.stringOf(L"access_token"));

    // Use your account ID and a valid envelopeId here:
    http.SetUrlVar(L"accountId",L"7f3f65ed-5e87-418d-94c1-92499ddc8252");
    http.SetUrlVar(L"envelopeId",L"90d7e40a-b4bd-4ccd-bf38-c80e37954a13");

    const wchar_t *url = L"https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes/{$envelopeId}/documents/1";
    CkBinDataW bd;

    success = http.DownloadBd(url,bd);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    int respStatusCode = http.get_LastStatus();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode != 200) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",http.lastResponseHeader());
        // The response body contains an error message.
        wprintf(L"%s\n",bd.getString(L"utf-8"));
        wprintf(L"Failed.\n");
        return;
    }

    // The response indicated success.
    // Get the filename from the Content-Disposition header and save to a file.
    CkMimeW mime;
    mime.LoadMime(http.lastResponseHeader());

    const wchar_t *filename = mime.getHeaderFieldAttribute(L"Content-Disposition",L"filename");
    wprintf(L"filename = %s\n",filename);

    CkStringBuilderW sbPath;
    sbPath.Append(L"C:/aaworkarea/");
    sbPath.Append(filename);
    success = bd.WriteFile(sbPath.getAsString());
    if (success == false) {
        wprintf(L"Failed to save to output file.\n");
    }
    else {
        wprintf(L"Wrote %s\n",sbPath.getAsString());
    }
    }