protected bool? GetUserVote(Post item)
        {
            string userID = this.User.Identity.GetUserId();
            var like = item.Likes.FirstOrDefault(l => l.UserID == userID);
            if (like == null)
            {
                return null;
            }

            return like.Value;
        }
 protected int GetLikesValue(Post item)
 {
     int likesCount = item.Likes.Count(l => l.Value == true);
     int hatesCount = item.Likes.Count(l => l.Value == false);
     return likesCount - hatesCount;
 }