public async Task DoWorkAsync()
{
ProcessingTaskQueueMessage msg = await _queueService.DequeueConversionTaskAsync();
if (null == msg)
{
return;
}
ProcessingTask task = await _taskService.GetTaskAsync(msg.Task.Id);
if (null == task || null == task.SourceFile || string.IsNullOrWhiteSpace(task.SourceFile.BlobFileName))
{
return;
}
IFileProcessor fileProcessor = _fileProcessors[task.Operation];
if (null == fileProcessor)
{
return;
}
Trace.TraceInformation("Обрабатываем задание {0}", JsonConvert.SerializeObject(msg.Task));
var sourceStream = await _fileStorageService.GetSourceFileStreamAsync(task.SourceFile.BlobFileName);
var destinationStream = new MemoryStream((int)sourceStream.Length); // плохо, но не хочется делать файлы
await fileProcessor.ProcessFileAsync(sourceStream, destinationStream);
destinationStream.Seek(0, SeekOrigin.Begin);
var destinationFile = await _fileStorageService.SaveDestinationFileStreamAsync(destinationStream, task.SourceFile.MimeContentType);
destinationStream.Close();
task.DestinationFile = destinationFile;
task.Status = TaskStatus.Success;
task.Message = "Task Processed Succesfully";
await _taskService.SaveTaskAsync(task);
await _queueService.DeleteConversionTaskAsync(msg.Id, msg.PopReceipt);
Trace.TraceInformation("Задание обработано успешно");
}
public async Task <IActionResult> Upload(IFormFile files)
{
await _fileProcessor.ProcessFileAsync(files);
return(NoContent());
}
