public PartialViewResult SetRating(Rating rating)
{
Rating existed = context.Ratings.FirstOrDefault(r => r.BookId == rating.BookId && r.UserId == rating.UserId);
if (existed == null)
{
context.Ratings.Add(rating);
}
else
{
existed.Value = rating.Value;
}
context.SaveChanges();
HomeIndexViewModel viewModel = new HomeIndexViewModel
{
Books = context.Books.ToList(),
Recommendations = CollaborativeFilter.GetRecomendations(context, User.Identity.GetUserId()),
Genres = context.Genres.ToList(),
Countries = context.Countries.ToList(),
FilterModel = FilterModel ?? new FilterModel()
};
return(PartialView("BooksRecomendationsPartial", viewModel));
}
public ActionResult Books()
{
HomeIndexViewModel viewModel = new HomeIndexViewModel
{
Books = context.Books.ToList(),
Recommendations = CollaborativeFilter.GetRecomendations(context, User.Identity.GetUserId()),
Genres = context.Genres.ToList(),
Countries = context.Countries.ToList(),
FilterModel = FilterModel ?? new FilterModel()
};
return(View(viewModel));
}
public PartialViewResult RemoveRating(int id)
{
Rating rating = context.Ratings.First(r => r.Id == id);
context.Ratings.Remove(rating);
context.SaveChanges();
HomeIndexViewModel viewModel = new HomeIndexViewModel
{
Books = context.Books.ToList(),
Recommendations = CollaborativeFilter.GetRecomendations(context, User.Identity.GetUserId()),
Genres = context.Genres.ToList(),
Countries = context.Countries.ToList(),
FilterModel = FilterModel ?? new FilterModel()
};
return(PartialView("BooksRecomendationsPartial", viewModel));
}