public List <Connection> GetNewConnectReq()
        {
            var connects = MyConnects
                           .Where(c => c.IsRequestSend && c.ReceiverId == UserId)
                           .ToList();

            return(connects);
        }
        public List <int> GetConnectReqIds(ConnectStatusType status)
        {
            var connects = MyConnects
                           .Where(c => c.Status == status);
            var ids = connects
                      .SelectMany(c => new List <int> {
                c.SenderId, c.ReceiverId
            })
                      .ToList();

            ids.RemoveAll(i => i == UserId);
            return(ids);
        }