Example #1
0
        public async static Task <IEnumerable <SegmentModel> > LoadSegments(APIConnection api, FileIdentifier identifier)
        {
            var parser = new VTTFormat();

            using (var ms = new MemoryStream())
            {
                IEnumerable <SegmentModel> segments = null;

                await api.File.DownloadAsync(identifier, async (stream, cancel) =>
                {
                    var items = await parser.ParseStreamAsync(stream);

                    segments = items.Select(i => {
                        var text = i.Lines != null ? string.Join('\n', i.Lines) : string.Empty;
                        return(new SegmentModel
                        {
                            StartTime = (int)i.StartTime.TotalMilliseconds,
                            EndTime = (int)i.EndTime.TotalMilliseconds,
                            Text = text,
                            TextOriginal = text
                        });
                    });
                });

                return(segments);
            }
        }
Example #2
0
        public async Task DeleteInsertAsync(FileIdentifier identifier, TranscriptSet transcriptSetToInsert = null)
        {
            var rootFile = await Connection.File.GetAsync(identifier);

            var oldTranscriptJsonIdentifier = FindViewByName(rootFile, FILENAME_JSON);
            var oldTranscriptVttIdentifier  = FindViewByName(rootFile, FILENAME_VTT);

            FileModel newTranscriptJSONFile = null;
            FileModel newTranscriptVTTFile  = null;

            if (transcriptSetToInsert != null)
            {
                newTranscriptJSONFile = await CreateHiddenChildFileAsync(
                    rootFile.Identifier,
                    FILENAME_JSON,
                    JsonConvert.SerializeObject(transcriptSetToInsert.Segments),
                    "application/json"
                    );

                var vttFormat = new VTTFormat();

                int segmentIndexNumber = 0;
                var vttStringContent   = vttFormat.CreateVTT(transcriptSetToInsert.Segments
                                                             .Select(s => new SubtitleSegmentModel
                {
                    StartTime    = TimeSpan.FromMilliseconds(s.StartTime),
                    EndTime      = TimeSpan.FromMilliseconds(s.EndTime),
                    Lines        = s.Text?.Split('\n').ToList(),
                    SegmentIndex = ++segmentIndexNumber
                }).ToList()
                                                             );

                newTranscriptVTTFile = await CreateHiddenChildFileAsync(
                    rootFile.Identifier,
                    FILENAME_VTT,
                    vttStringContent,
                    "text/vtt"
                    );
            }

            await Connection.ConcurrencyRetryBlock(async() =>
            {
                // get the current file
                rootFile = await Connection.File.GetAsync(identifier);

                ReplaceViewByName(rootFile, FILENAME_JSON, "application/json", newTranscriptJSONFile.Identifier);
                ReplaceViewByName(rootFile, FILENAME_VTT, "text/vtt", newTranscriptVTTFile.Identifier);

                await Connection.File.PutAsync(rootFile);
            });

            if (oldTranscriptJsonIdentifier != null)
            {
                await Connection.File.DeleteAsync(oldTranscriptJsonIdentifier);
            }
            if (oldTranscriptVttIdentifier != null)
            {
                await Connection.File.DeleteAsync(oldTranscriptVttIdentifier);
            }
        }