public async Task ExecuteServiceAsync(string subtitleFile, CancellationToken stoppingToken)
{
try
{
_logger.LogInformation($"Processing {subtitleFile}");
await ConfirmFileTransferCompleteAsync(subtitleFile);
string fileContent = GetFileContents(subtitleFile);
SubtitleInputDto subtitleInputDto =
new SubtitleInputDto(fileContent, Path.GetFileName(subtitleFile));
if (subtitleInputDto.IsValidSrtSubtitleFile() == false)
{
_logger.LogError($"{subtitleFile} is not in a valid format");
return;
}
SubtitleOutputDto transcriptOutput = CleanSubtitle(subtitleInputDto);
SaveSubtitleFile(transcriptOutput, _uploadDirectory);
ArchiveSubtitleFile(subtitleFile, _uploadDirectory);
_logger.LogInformation($"Finished processing {subtitleFile}");
}
catch (Exception ex)
{
_logger.LogError(ex.InnerException, ex.Message);
}
}
public static bool IsValidSrtSubtitleFile(this SubtitleInputDto inputDto)
{
if (string.IsNullOrEmpty(inputDto.Input))
{
return(false);
}
string[] inputLines = inputDto.Input.Split('\n');
return(inputLines[0].StartsWith("1") == true && inputLines[1].StartsWith("00:") == true);
}
public async Task <IActionResult> CleanSubtitle(SubtitleInputDto inputDto)
{
if (inputDto.IsValidSrtSubtitleFile() == false)
{
return(BadRequest("Input is not in a valid format"));
}
var subtitle = await Task.Run(() => _subtitleService.CleanSubtitle(inputDto));
return(Ok(subtitle));
}
public SubtitleOutputDto CleanSubtitle(SubtitleInputDto inputDto)
{
_logger.LogInformation($"Cleaning subtitle file");
string[] inputLines = inputDto.Input.Split('\n');
int counter = 0;
string videoString = string.Empty, blogString = string.Empty;
foreach (var line in inputLines)
{
counter = counter >= 4 ? 1 : counter + 1;
string cleanedLine = line
.Replace("um", string.Empty)
.Replace("uh", string.Empty)
.Replace("[music] you", "[music]")
.Replace(" ", " ")
.Replace("all right", "alright")
.Trim();
videoString += cleanedLine.ToUpper() + Environment.NewLine;
if (counter == 3)
{
blogString += cleanedLine + Environment.NewLine;
}
}
blogString = RemoveDuplicatesFromBlogString(blogString);
blogString = CleanBlogString(blogString);
blogString = ConvertToSentenceCase(blogString);
SubtitleOutputDto outputDto = new();
outputDto.VideoTitle = inputDto.VideoTitle.Replace(FileExtension.Srt, string.Empty);
outputDto.VideoText = videoString;
outputDto.BlogText = blogString;
outputDto.BlogWords = blogString.Split(' ').Length;
return(outputDto);
}
