public IActionResult Create(Advert advert) { if (User.Identity.IsAuthenticated) { // Getting user's Id from the session // Previous approach which was iterating through all users trying to find matching one // User.FindFirst(ClaimTypes.NameIdentifier).Value; var userId = _userManager.GetUserId(HttpContext.User); advert.AuthorId = userId; // Render back to the creation route, otherwise validation does not work if (advert.Title == null || advert.ShortDescription == null || advert.LongDescription == null) { return(Create()); } // Custom image if user does not provide any if (advert.ImageUrl == null) { advert.ImageUrl = "https://img.tickld.com/filter:scale/quill/e/7/1/3/2/9/e7132910dcc33f74a29ac914162f97e82624ce06.jpg?mw=650"; } _advertRepository.Create(advert); return(Redirect("/")); } else { return(Redirect("/Identity/Account/Login")); } }