PowerBuilder

VoiceBase -- Retrieve JSON Transcript

See more VoiceBase Examples

Retrieves a JSON transcript for a media file. PowerBuilder

integer li_rc
string ls_AccessToken
oleobject loo_Http
oleobject loo_SbAuth
oleobject loo_SbUrl
long li_ReplaceCount
string ls_StrJson
oleobject loo_Json
long li_NumWords
long i

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

//  Insert your Bearer token here:
ls_AccessToken = "VOICEBASE_TOKEN"

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

//  Add the access (bearer) token to the request, which is a header
//  having the following format:
//  Authorization: Bearer <userAccessToken>
loo_SbAuth = create oleobject
li_rc = loo_SbAuth.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbAuth.Append("Bearer ")
loo_SbAuth.Append(ls_AccessToken)
loo_Http.SetRequestHeader("Authorization",loo_SbAuth.GetAsString())

loo_SbUrl = create oleobject
li_rc = loo_SbUrl.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbUrl.Append("https://apis.voicebase.com/v2-beta/media/$MEDIA_ID/transcripts/latest")
li_ReplaceCount = loo_SbUrl.Replace("$MEDIA_ID","f9b9bb88-d52c-4960-bcef-d516a9f85594")

ls_StrJson = loo_Http.QuickGetStr(loo_SbUrl.GetAsString())
if loo_Http.LastMethodSuccess <> 1 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_SbAuth
    destroy loo_SbUrl
    return
end if

//  The response should be JSON, even if an error.
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.Load(ls_StrJson)
loo_Json.EmitCompact = 0

Write-Debug "Response status code = " + string(loo_Http.LastStatus)

if loo_Http.LastStatus <> 200 then
    Write-Debug loo_Json.Emit()
    Write-Debug "Failed"
    destroy loo_Http
    destroy loo_SbAuth
    destroy loo_SbUrl
    destroy loo_Json
    return
end if

//  See the sample JSON response below..

//  Iterate over the words..
li_NumWords = loo_Json.SizeOfArray("transcripts.latest.words")
i = 0
do while i < li_NumWords
    loo_Json.I = i
    Write-Debug loo_Json.StringOf("transcripts.latest.words[i].w")
    i = i + 1
loop
Write-Debug "Success."

//  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"
//          },
//  ...


destroy loo_Http
destroy loo_SbAuth
destroy loo_SbUrl
destroy loo_Json