public OperationResult <long> ImportFiles(IFormFile file, long entityId)
{
if (!Semaphore.Wait(TimeSpan.FromSeconds(1)))
{
var message = $"Previous file import haven't finished yet. Failed to import File '{file.FileName}'";
Log.Logger().Warning(message);
return(OperationResult.Error(message).ToEmpty <long>());
}
try
{
var logIdResult = ImportService.CreateLog(file.FileName);
if (logIdResult.Success)
{
var stream = new MemoryStream();
file.CopyTo(stream);
stream.Position = 0;
Task.Factory.StartNew(() => Import(stream, file.FileName, entityId, logIdResult.Data), CancellationToken.None, TaskCreationOptions.LongRunning, TaskScheduler.Default)
.ContinueWith(t => LogTaskException(t.Exception, file.FileName), TaskContinuationOptions.OnlyOnFaulted)
.ContinueWith(t =>
{
Semaphore.Release(1);
stream?.Dispose();
});
}
return(logIdResult);
}
catch (Exception e)
{
var message = $"File '{file.FileName}' import failed. Message: {e.Message}";
Log.Logger().Error(e, message);
Semaphore.Release(1);
return(OperationResult.Error(e, message).ToEmpty <long>());
}
}
