public int GetLikes(Article item)
        {
            var totalValue = 0;
            foreach (var like in item.Likes)
            {
                totalValue += like.Value;
            }

            return totalValue;
        }
 public void ListViewCategories_InsertItem()
 {
     var item = new Article();
     TryUpdateModel(item);
     if (ModelState.IsValid)
     {
         var currentuser = this.dbContext.Users.FirstOrDefault(x => x.UserName == HttpContext.Current.User.Identity.Name);
         item.AppUser = currentuser;
         // Save changes here
         this.dbContext.Articles.Add(item);
         this.dbContext.SaveChanges();
     }
 }