private string GetVoteResult(string userId, string userName)
        {
            var votes        = VoteRepository.GetVotes(userId);
            var vanilleCount = votes.Count(s => s.Equals("Vanille", StringComparison.InvariantCultureIgnoreCase));
            var erdbeerCount = votes.Count(s => s.Equals("Erdbeer", StringComparison.InvariantCultureIgnoreCase));

            var result = $"{userName} hat sich noch nicht entschieden";

            if (vanilleCount > erdbeerCount)
            {
                result = $"{userName} mag eher Vanille. {vanilleCount}:{erdbeerCount}";
            }

            if (vanilleCount < erdbeerCount)
            {
                result = $"{userName} mag eher Erdbeer. {erdbeerCount}:{vanilleCount}";
            }

            if (vanilleCount != 0 && vanilleCount == erdbeerCount)
            {
                result = $"{userName} mag Erdbeer und Vanille. {erdbeerCount}:{vanilleCount}";
            }

            return(result);
        }
        public void Post([FromBody] Vote vote)
        {
            var userId = GetUserId();

            VoteRepository.SetVote(userId, vote.Value);
        }