public List <CommentDto> GetCommentsForIdea(int ideaId, string userId)
        {
            var comments = _ideationManager.GetCommentsForIdea(ideaId).ToList();
            var dtos     = _mapper.Map <List <CommentDto> >(comments);

            foreach (var comment in dtos)
            {
                var vote = _userManager.GetVoteForComment(comment.CommentId, userId);
                if (vote != null)
                {
                    comment.UserVoteValue = vote.Value;
                }
            }

            return(dtos);
        }