public List<PhonePool> GetListForUser(int userId)
        {
            List<PhonePool> resultList;

            using (var conn = GetConnection())
            {
                conn.Open();

                var conditions = Predicates.Field<PhonePool>(f => f.UserId, Operator.Eq, userId);
                var sort = new List<ISort> {Predicates.Sort<PhonePool>(f => f.Name)};

                resultList = conn.GetList<PhonePool>(conditions, sort).ToList();

                var poolIds = string.Join(", ", from r in resultList select r.Id);
                var sql = string.Format(@"SELECT * FROM Phone WHERE [PhonePoolId] IN ({0})", poolIds);
                var phones = conn.Query<Phone>(sql).ToList();

                foreach (var pool in resultList)
                {
                    var id = pool.Id;
                    var poolPhones = from p in phones where p.PhonePoolId == id select p;

                    foreach (var p in poolPhones)
                    {
                        pool.AddPhone(p);
                    }
                }
            }

            return resultList;
        }