(Swift 3,4,5...) VoiceBase -- Retrieve JSON Transcript

Retrieves a JSON transcript for a media file.

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

    // Insert your Bearer token here:
    var accessToken: String? = "VOICEBASE_TOKEN"

    let http = CkoHttp()!

    // Add the access (bearer) token to the request, which is a header
    // having the following format:
    // Authorization: Bearer <userAccessToken>
    let sbAuth = CkoStringBuilder()!
    sbAuth.append("Bearer ")
    sbAuth.append(accessToken)
    http.setRequestHeader("Authorization", value: sbAuth.getAsString())

    let sbUrl = CkoStringBuilder()!
    sbUrl.append("https://apis.voicebase.com/v2-beta/media/$MEDIA_ID/transcripts/latest")
    var replaceCount: Int = sbUrl.replace("$MEDIA_ID", replacement: "f9b9bb88-d52c-4960-bcef-d516a9f85594").intValue

    var strJson: String? = http.quickGetStr(sbUrl.getAsString())
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    // The response should be JSON, even if an error.
    let json = CkoJsonObject()!
    json.load(strJson)
    json.emitCompact = false

    print("Response status code = \(http.lastStatus.intValue)")

    if http.lastStatus.intValue != 200 {
        print("\(json.emit()!)")
        print("Failed")
        return
    }

    // See the sample JSON response below..

    // Iterate over the words..
    var numWords: Int = json.size(ofArray: "transcripts.latest.words").intValue
    var i: Int = 0
    while i < numWords {
        json.i = i
        print("\(json.string(of: "transcripts.latest.words[i].w")!)")
        i = i + 1
    }

    print("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"
    //         },
    // ...

}