private static async Task StoreBreakdownJsonInCosmos(VideoBreakdown videoBreakdownJson, TraceWriter log)
{
//string CosmosCollectionName = ConfigurationManager.AppSettings["CosmosCollectionName"];
//if (String.IsNullOrEmpty(CosmosCollectionName))
// throw new ApplicationException("CosmosCollectionName app setting not set");
var cosmosHelper = new CosmosHelper(log);
var collectionName = "Breakdowns";
var client = cosmosHelper.GetCosmosClient(collectionName);
var json = JsonConvert.SerializeObject(videoBreakdownJson);
cosmosHelper.LogMessage($"saving json: {json}");
// save the json as a new document
try
{
Document r =
await client.UpsertDocumentAsync(
UriFactory.CreateDocumentCollectionUri(CosmosHelper.CosmosDatabasename, collectionName),
videoBreakdownJson);
}
catch (Exception e)
{
cosmosHelper.LogMessage($"error inserting document in cosmos: {e.Message}");
// ignore for now, but maybe should replace the document if it already exists..
// seems to be caused by dev environment where queue items are being reprocesssed
}
}
private static async Task StoreFacesAsync(Face f, VideoBreakdown poco, VideoIndexerHelper videoIndexerHelper)
{
var faceStream = await DownloadWebResource(f.thumbnailFullUrl);
var blob = await UploadFileToBlobStorage(faceStream, $"{poco.id}/faces/{f.shortId}.jpg", "image/jpg", videoIndexerHelper);
f.thumbnailFullUrl = blob.Uri.ToString();
}
/// <summary>
/// Store the images referenced in the breakdown and update their location in the JSON prior to
/// storing in the database.
/// </summary>
/// <param name="poco"></param>
/// <param name="videoIndexerHelper"></param>
/// <returns></returns>
private static async Task ExtractImages(VideoBreakdown poco, TraceWriter log, VideoIndexerHelper videoIndexerHelper)
{
var baseHelper = new BaseHelper(log);
baseHelper.LogMessage($"start task extract images");
// download thumbnail and store in blob storage
var memSreamOfResource = await DownloadWebResource(poco.summarizedInsights.thumbnailUrl);
var newBlob = await UploadFileToBlobStorage(memSreamOfResource, $"{poco.id}/video-thumbnail.jpg",
"image/jpg", videoIndexerHelper);
string newImageUrl = newBlob.Uri.AbsoluteUri;
// replace urls in breakdown
poco.summarizedInsights.thumbnailUrl = newImageUrl;
poco.breakdowns[0].thumbnailUrl = newImageUrl;
baseHelper.LogMessage($"wait for task extract images to finish");
await Task.WhenAll(poco.summarizedInsights.faces.Select(f => StoreFacesAsync(f, poco, videoIndexerHelper)));
}
private static async Task GetCaptionsVttAsync(string id, VideoBreakdown videoBreakdownPoco, string language, VideoIndexerHelper videoIndexerHelper)
{
var client = videoIndexerHelper.GetVideoIndexerHttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
// Request parameters
queryString["language"] = language;
var uri = $"https://videobreakdown.azure-api.net/Breakdowns/Api/Partner/Breakdowns/{id}/VttUrl?" +
queryString;
// this returns a url to the captions file
var response = await client.GetAsync(uri);
var vttUrl =
response.Content.ReadAsStringAsync().Result
.Replace("\"", ""); // seems like the url is always wrapped in quotes
// download actual vtt file and store in blob storage
var vttStream = await DownloadWebResource(vttUrl);
await UploadFileToBlobStorage(vttStream, $"{videoBreakdownPoco.id}/{language}.vtt", "text/plain", videoIndexerHelper);
//TODO: put reference to vtt in breakdown?
}
