public async Task Collect(int episodeId)
{
_logger.LogInformation($"Collecting SR episode {episodeId}");
var storedEpisode = await _storage.GetEpisode(episodeId);
if (storedEpisode != null)
{
_logger.LogInformation($"SR episode {episodeId} was already collected");
return;
}
var episode = await GetSrEpisode(episodeId);
var fileUrl = GetFileUrl(episode);
if (fileUrl == null)
{
throw new Exception($"SR episode {episodeId} does not have any available broadcast file, can't collect");
}
storedEpisode = await GetStoredEpisodeModel(fileUrl, episode);
var audioStream = await GetOnlyAudioStream(storedEpisode.OriginalAudioUrl);
if (audioStream == null)
{
var transferAudioBlockBlob = await _storageTransfer.TransferBlockBlobAndOverwrite(_cloudBlobContainerName, storedEpisode.AudioBlobIdentifier, storedEpisode.OriginalAudioUrl, GetContentType(storedEpisode.AudioBlobIdentifier));
storedEpisode.AudioUrl = transferAudioBlockBlob.ToString();
}
else
{
var uploadedAudioBlockBlob = await _storageTransfer.UploadBlockBlobAndOverwrite(_cloudBlobContainerName, storedEpisode.AudioBlobIdentifier, audioStream, GetContentType(storedEpisode.AudioBlobIdentifier));
storedEpisode.AudioUrl = uploadedAudioBlockBlob.ToString();
}
await _storageTransfer.TransferBlockBlobIfNotExists(_cloudBlobContainerName, storedEpisode.ImageBlobIdentifier, storedEpisode.Episode.ImageUrlTemplate, GetContentType(storedEpisode.ImageBlobIdentifier));
await _storage.StoreEpisode(episode.Id, storedEpisode);
_logger.LogInformation($"Collected SR episode {episode.Id}");
}
private async Task <(string blobIdentifier, Uri blobUri)?> TransferResultForChannel(SrStoredEpisode storedEpisode, Azure.SpeechBatchClient.Transcription transcription, string channel)
{
if (!transcription.ResultsUrls.ContainsKey($"channel_{channel}"))
{
return(null);
}
var targetBlobPrefix = storedEpisode.AudioBlobIdentifier + "__Transcription_";
var targetBlobIdentifier = $"{targetBlobPrefix}{channel}.json";
var resultsUri = transcription.ResultsUrls[$"channel_{channel}"];
var targetBlobUrl = await _storageTransfer.TransferBlockBlobIfNotExists(
_transcriptionsContainerName,
targetBlobIdentifier,
resultsUri
);
return(targetBlobIdentifier, targetBlobUrl);
}