async function computeParameters()

in source/lambda/transcribeaudio/transcribeaudio.js [57:104]

• 41 lines of code
• 2 McCabe index (conditional complexity)

async function computeParameters(event) {
  var inputKey = decodeURIComponent(
    event.Records[0].s3.object.key.replace(/\+/g, " ")
  );

  var audioFile = path.basename(inputKey);
  var videoId = audioFile.substring(
    audioFile.lastIndexOf("_") + 1,
    audioFile.length - 4
  );
  console.log("[INFO] videoId: " + videoId);
  var inputBucket = event.Records[0].s3.bucket.name;
  var mediaFileUrl =
    "https://s3-" +
    process.env.REGION +
    ".amazonaws.com/" +
    inputBucket +
    "/" +
    inputKey;

  var videoInfo = await getVideo(videoId);

  var params = {
    inputKey: inputKey,
    audioFile: audioFile,
    videoId: videoId,
    inputBucket: inputBucket,
    outputBucket: process.env.TRANSCRIBE_BUCKET,
    mediaFileUrl: mediaFileUrl,
    region: process.env.REGION,
    transcribeLanguage: videoInfo.language,
    vocabularyName: process.env.VOCABULARY_NAME,
    vocabularyExists: false,
    dynamoVideoTable: process.env.DYNAMO_VIDEO_TABLE,
    status: "PROCESSING",
    statusText: "Transcribing audio",
  };

  var vocabularies = await getVocabularies(null);

  if (vocabularies.length > 0) {
    params.vocabularyExists = true;
  }

  console.log("[INFO] computed initial parameters: %j", params);

  return params;
}