public int CountVoicePast24Hours()
 => VCTime.Count > 0 ? VCTime.Last().Value : 0;
        private int CountLast(int days, MessageCountHandler.ActivityType t)
        {
            switch (t)
            {
            case MessageCountHandler.ActivityType.Message:
                if (Messages.Count == 0)
                {
                    return(0);
                }
                break;

            case MessageCountHandler.ActivityType.Voice:
                if (VCTime.Count == 0)
                {
                    return(0);
                }
                break;
            }
            var msgs  = t == MessageCountHandler.ActivityType.Message ? Messages.TakeLast(days) : VCTime.TakeLast(days);
            int final = 0;

            foreach (var msg in msgs)
            {
                final += msg.Value;
            }
            return(final);
        }
 public bool HasDateKeyVoice(string key)
 => VCTime.ContainsKey(key);