public async Task <SaveExaminationAudioResult> SaveAsync(Stream stream, string boundary)
{
QuestionAudioFile audioFile = new QuestionAudioFile();
var response = await transactionService.CommitAsync(new[] { TransactionContextScope.Main }, async() =>
{
using (var memoryStream = new MemoryStream())
{
await stream.CopyToAsync(memoryStream);
audioFile = await GetSavedAudioFileInfo(memoryStream, boundary);
if (string.IsNullOrEmpty(audioFile.Name))
{
return(SaveExaminationAudioResult.Error);
}
await questionAudioFilesRepository.AddAsync(audioFile);
return(SaveExaminationAudioResult.Ok);
}
});
if (response == SaveExaminationAudioResult.Ok)
{
BackgroundJob.Enqueue <IExaminationIntegrationResponseService>(service => service.NotifyLocalInstancesAboutNewAudioFile(CreateFilePath(audioFile.Name)));
}
return(response);
}
private async Task <bool> CheckAudioInfoForUpdate(QuestionAudioFile fileInfo, UpdateExaminationAudioFileInfoRequest request)
{
if (fileInfo == null)
{
return(false);
}
if (fileInfo.Name != request.FileName && await questionAudioFilesRepository.ExistsAsync(request.FileName))
{
return(false);
}
if (fileInfo.Id == request.Id && fileInfo.Name == request.FileName && fileInfo.Comment == request.Comment)
{
return(false);
}
return(true);
}
private async Task <QuestionAudioFile> GetSavedAudioFileInfo(MemoryStream memoryStream, string boundary)
{
MultipartSection section;
var audioFile = new QuestionAudioFile();
var audioFileInfo = new AddExaminationAudioFileInfoRequest();
memoryStream.Position = 0;
var reader = new MultipartReader(boundary, memoryStream);
while ((section = await reader.ReadNextSectionAsync()) != null)
{
if (section.HasHeaderInfo("audioFileInfo"))
{
audioFileInfo = await GetAudioFileInfo(section);
audioFile = new QuestionAudioFile
{
Name = audioFileInfo.FileName,
Comment = audioFileInfo.Comment
};
if (await questionAudioFilesRepository.ExistsAsync(audioFile.Name))
{
return(new QuestionAudioFile {
Name = string.Empty
});
}
}
if (section.HasHeaderFile() && !string.IsNullOrEmpty(audioFile.Name))
{
var wavFileStream = CreateMemoryStream(section.Body);
await SaveAudioFileToLocalFolder(wavFileStream, audioFile.Name);
}
}
audioFile.Path = CreateFilePath(audioFileInfo.FileName);
return(audioFile);
}
public Task AddAsync(QuestionAudioFile audioFile)
{
audiosDataSet.Add(audioFile);
return(dbContext.SaveChangesAsync());
}
public Task UpdateAsync(QuestionAudioFile audioFile)
{
audiosDataSet.Update(audioFile);
return(dbContext.SaveChangesAsync());
}
