(MFC) VoiceBase -- Upload a media file for transcription and analysis

This example demonstrates how to upload a media file for transcription and analysis. It duplicates the following curl command:

curl https://apis.voicebase.com/v2-beta/media \
  --form media=@msg_123_abc.wav \
  --header "Authorization: Bearer ${TOKEN}"

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkStringBuilder.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    // Insert your Bearer token here:
    const char *accessToken = "VOICEBASE_TOKEN";

    CkHttp http;

    CkHttpRequest req;
    req.put_HttpVerb("POST");
    req.put_Path("/v2-beta/media");
    req.put_ContentType("multipart/form-data");

    // Add the access (bearer) token to the request, which is a header
    // having the following format:
    // Authorization: Bearer <userAccessToken>
    CkStringBuilder sbAuth;
    sbAuth.Append("Bearer ");
    sbAuth.Append(accessToken);
    req.AddHeader("Authorization",sbAuth.getAsString());

    bool success = req.AddFileForUpload2("media","qa_data/wav/msg_123_abc.wav","audio/x-wav");
    if (success != true) {
        strOut.append(req.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkHttpResponse *resp = http.SynchronousRequest("apis.voicebase.com",443,true,req);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Examine the response status code and body.
    strOut.append("Response status code = ");
    strOut.appendInt(resp->get_StatusCode());
    strOut.append("\r\n");

    // The response should be JSON, even if an error.
    CkJsonObject json;
    json.Load(resp->bodyStr());
    json.put_EmitCompact(false);

    strOut.append(json.emit());
    strOut.append("\r\n");

    // A successful response will have a status code = 200
    if (resp->get_StatusCode() != 200) {
        strOut.append("Failed.");
        strOut.append("\r\n");
    }
    else {
        strOut.append("mediaId: ");
        strOut.append(json.stringOf("mediaId"));
        strOut.append("\r\n");
        strOut.append("href: ");
        strOut.append(json.stringOf("_links.self.href"));
        strOut.append("\r\n");
        strOut.append("status: ");
        strOut.append(json.stringOf("status"));
        strOut.append("\r\n");
        strOut.append("Success.");
        strOut.append("\r\n");
    }

    delete resp;

    // Here is an example of a successful response:

    // 	{ 
    // 	  "_links": { 
    // 	    "self": { 
    // 	      "href": "/v2-beta/media/856a1e85-c847-4c3c-b7a4-6cf15cd51db4"
    // 	    }
    // 	  },
    // 	  "mediaId": "856a1e85-c847-4c3c-b7a4-6cf15cd51db4",
    // 	  "status": "accepted",
    // 	  "metadata": {}
    // 	


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }