[Rescue("error")]
public class BookController : BaseController
{
  //ARSessionModule in effect so we don't have to manage the session
  //The method is marked virtual so we can intercept it and add things like logging
  //The class has a Rescue attribute so we don't have to manage error screens

  private Repository<Book> _repository;

  public BookController(Repository<Book> repository)
  {
    this._repository = repository;
  }

  public virtual void View(Guid id)
  {
    this.PropertyBag.Add("book", this._repository.Load(id));
  }

  public virtual void Delete(Guid id)
  {
    this._repository.Delete(id);
  }
}

public partial class EditBookController : BookControllerBase<IEditBookView>
    {
        private IBookRepository bookRepository;

        public EditBookController(ICodeGeneratorServices codeGeneratorServices, IDictionaryAdapterFactory dictionaryAdapterFactory, IBookRepository bookRepository)
            : base(codeGeneratorServices, dictionaryAdapterFactory)
        {
            this.bookRepository = bookRepository;
        }

        [AccessibleThrough(Verb.Post)]
        public void Process([Databind("book")] Book book)
        {
            bookRepository.Update(book);

            TypedFlash.SuccessMessage = "Updated successfully";
            
            Site.Books.Actions.EditBook.Display(book.Id).Redirect;
        }
     
        public void Display(int id)
        {
            TypedPropertyBag.Book = bookRepository.Load(id);
            TypedPropertyBag.UserName = TypedSession.UserName;
            
            if (TypedPropertyBag.Book.Type == BookType.Paperback)
                MyViews.Paperback.Render();
            else
                MyViews.Hardback.Render();
        }
    }