public ActionResult Create(UploadBookViewModel model)
        {
            try
            {
                // TODO: Add insert logic here
                if (ModelState.IsValid)
                {
                    model.OwnerId = this.User.FindFirstValue(ClaimTypes.NameIdentifier);
                    var msg = bookService.UploadBook(model);

                    if (msg == ServiceResultMsg.BOOK_UPLOAD_SUCCESS)
                    {
                        HomePageTransferData m = new HomePageTransferData()
                        {
                            BookServiceMsg = msg
                        };
                        return(RedirectToAction("Index", "Home"));
                    }
                }
                return(RedirectToAction("Index"));
            }
            catch (Exception e)
            {
                return(View());
            }
        }
        public IActionResult Index()
        {
            var data = new HomePageTransferData();

            data.TopBooks = this.bookService.GetMostPopularBooks(NumberBooks);
            //data.SuggestedBooks = this.bookSuggestionService.GetSuggestionBook(this.User);
            return(View(data));
        }