public async Task <bool> TryAddChannel(TwitchChannel channel)
        {
            var record = new TwitchChannelRecord
            {
                Id          = channel.Id,
                DisplayName = channel.DisplayName,
                Followers   = channel.Followers
            };

            using (var op = _log.BeginOperation("Adding channel to repository. Channel name {channelName} id {channelId}", channel.DisplayName, channel.Id))
                using (ITransaction tx = _stateManager.CreateTransaction())
                {
                    var channelDictionary = await GetChannelDictionary(tx);

                    if (!await channelDictionary.TryAddAsync(tx, record.Id, record))
                    {
                        return(false);
                    }

                    await tx.CommitAsync()
                    .ContinueWith(task => RepositoryIndexes.Instance.AddRecord(record.Id, record.DisplayName),
                                  TaskContinuationOptions.OnlyOnRanToCompletion);

                    op.Complete();
                }

            return(true);
        }
        public async Task DeleteChannelById(string channelId)
        {
            using (var op = _log.BeginOperation("Removing channel {channelId} from repository", channelId))
                using (ITransaction tx = _stateManager.CreateTransaction())
                {
                    var channelDictionary = await GetChannelDictionary(tx);

                    ConditionalValue <TwitchChannelRecord> removedRecord = await channelDictionary.TryRemoveAsync(tx, channelId);

                    if (!removedRecord.HasValue)
                    {
                        return;
                    }

                    TwitchChannelRecord record = removedRecord.Value;
                    await tx.CommitAsync()
                    .ContinueWith(task => RepositoryIndexes.Instance.RemoveRecord(record.Id, record.DisplayName),
                                  TaskContinuationOptions.OnlyOnRanToCompletion);

                    op.Complete();
                }
        }