public async Task <IHttpActionResult> DeleteSummoner(SummonerModel model)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            var user = await _users.GetUserAsync();

            var summoner = user.Summoners.FirstOrDefault(DbUtil.CreateComparer(model.Region, model.SummonerName));

            if (summoner == null)
            {
                return(Conflict("Summoner not found."));
            }

            if (await _summoners.RemoveAsync(model.Region, model.SummonerName))
            {
                return(Ok());
            }

            if (!await _flair.SetUpdateFlagAsync(new[] { user }))
            {
                return(Conflict("Unable to remove summoner."));
            }
            return(Conflict("Unable to remove summoner."));
        }