Baconography.NeutralServices.OfflineDelayableRedditService.AddSubredditSubscription C# (CSharp) Method

        public override async Task AddSubredditSubscription(string subreddit, bool unsub)
        {
            try
            {
                if (_settingsService.IsOnline() && (await _userService.GetUser()).Username != null)
                    await base.AddSubredditSubscription(subreddit, unsub);
                else
                    await _offlineService.EnqueueAction("AddVote", new Dictionary<string, string> { { "subreddit", subreddit }, { "direcunsubtion", unsub.ToString() } });
            }
            catch (TaskCanceledException)
            {
                throw;
            }
            catch (Exception ex)
            {
                _notificationService.CreateErrorNotification(ex);
                _offlineService.EnqueueAction("AddVote", new Dictionary<string, string> { { "subreddit", subreddit }, { "direcunsubtion", unsub.ToString() } }).Start();
            }
        }