public static function canAccess(array $parameters = []): bool{ $user = auth()->user(); return $user->can('view_book') && !$user->can('view_any_book');}
public static function canAccess(array $parameters = []): bool{ return auth()->user()->can('view_book');}
public static function canAccess(array $parameters = []): bool{ return auth()->user()->can('view_any_book');}