/**
* Update the specified book resource in storage.
*
* @param BookRequest $request App\Http\Requests\BookRequest request
* @param Book $book App\Book model
*
* @return \Illuminate\Http\Response
*/
public function update(BookRequest $request, Book $book)
{
$book->update($request->only(['title', 'description']));
return redirect()->action('BooksController@index')->withSuccess("Książka \"{$book->title}\" została zaktualizowana");
}