async Task Run(CancellationToken cancelToken, IUpdatingSubject <T> subject)
{
subject.SubjectChanged += (obj, evt) => _scheduler.RunNow();
subject.StartWatching();
var cancelTask = TaskFromCancellationToken(cancelToken);
while (!cancelTask.IsCanceled)
{
var subjects = Enumerable.Empty <T>();
try
{
subjects = subject.GetSubjects();
}
catch (Exception ex)
{
Log.Info("Error when looking for files to delete", ex);
_scheduler.RunAfterBackoff();
}
foreach (var x in subjects)
{
try
{
_delete(x);
Log.Info($"Deleted the file '{x}'");
}
catch (AccessDeniedException)
{
Log.Warn($"Access denied when deleting the file '{x}'");
}
catch (Exception ex)
{
Log.Warn($"Error when deleting the file '{x}'", ex);
_scheduler.RunAfterBackoff();
}
}
await Task.WhenAny(_scheduler.WaitForWork(), cancelTask);
}
}
