(MFC) VoiceBase -- Retrieve JSON Transcript

Retrieves a JSON transcript for a media file.

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

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkStringBuilder.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;

    // 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);
    http.SetRequestHeader("Authorization",sbAuth.getAsString());

    CkStringBuilder sbUrl;
    sbUrl.Append("https://apis.voicebase.com/v2-beta/media/$MEDIA_ID/transcripts/latest");
    int replaceCount = sbUrl.Replace("$MEDIA_ID","f9b9bb88-d52c-4960-bcef-d516a9f85594");

    const char *strJson = http.quickGetStr(sbUrl.getAsString());
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    strOut.append("Response status code = ");
    strOut.appendInt(http.get_LastStatus());
    strOut.append("\r\n");

    if (http.get_LastStatus() != 200) {
        strOut.append(json.emit());
        strOut.append("\r\n");
        strOut.append("Failed");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // See the sample JSON response below..

    // Iterate over the words..
    int numWords = json.SizeOfArray("transcripts.latest.words");
    int i = 0;
    while (i < numWords) {
        json.put_I(i);
        strOut.append(json.stringOf("transcripts.latest.words[i].w"));
        strOut.append("\r\n");
        i = i + 1;
    }

    strOut.append("Success.");
    strOut.append("\r\n");

    // A sample JSON response:

    // { 
    //   "_links": { 
    //     "self": { 
    //       "href": "/v2-beta/media/f9b9bb88-d52c-4960-bcef-d516a9f85594/transcripts/latest"
    //     }
    //   },
    //   "transcripts": { 
    //     "latest": { 
    //       "revision": "b25e81dc-ae3e-4f9d-8008-1d56a283c17f",
    //       "engine": "standard",
    //       "confidence": 2.196210728898151,
    //       "words": [
    //         { 
    //           "p": 0,
    //           "s": 830,
    //           "c": 0.14,
    //           "e": 870,
    //           "w": "You"
    //         },
    //         { 
    //           "p": 1,
    //           "s": 1860,
    //           "c": 0.432,
    //           "e": 1920,
    //           "w": "know"
    //         },
    //         { 
    //           "p": 2,
    //           "s": 1930,
    //           "c": 0.288,
    //           "e": 2250,
    //           "w": "that's"
    //         },
    //         { 
    //           "p": 3,
    //           "s": 2250,
    //           "c": 0.923,
    //           "e": 2300,
    //           "w": "a"
    //         },
    // ...


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }