BookStackApp/BookStack

class BookRepo
{
    //
    public function getAllPaginated(int $count = 20, string $sort = 'name', string $order = 'asc'): LengthAwarePaginator
    {
        return Book::visible()->with('cover')->orderBy($sort, $order)->paginate($count);
    }

    public function getRecentlyViewed(int $count = 20): Collection
    {
        return Book::visible()->withLastView()
            ->having('last_viewed_at', '>', 0)
            ->orderBy('last_viewed_at', 'desc')
            ->take($count)->get();
    }

    public function getPopular(int $count = 20): Collection
    {
        return Book::visible()->withViewCount()
            ->having('view_count', '>', 0)
            ->orderBy('view_count', 'desc')
            ->take($count)->get();
    }

    public function getRecentlyCreated(int $count = 20): Collection
    {
        return Book::visible()->orderBy('created_at', 'desc')
            ->take($count)->get();
    }
    //
}

use BookStack\Entities\Repos\BookRepo;
use BookStack\Entities\Tools\ShelfContext;

class BookController extends Controller
{
    protected $bookRepo;
    protected $entityContextManager;

    public function __construct(ShelfContext $entityContextManager, BookRepo $bookRepo)
    {
        $this->bookRepo = $bookRepo;
        $this->entityContextManager = $entityContextManager;
    }

    public function index()
    {
        $view = setting()->getForCurrentUser('books_view_type');
        $sort = setting()->getForCurrentUser('books_sort', 'name');
        $order = setting()->getForCurrentUser('books_sort_order', 'asc');

        $books = $this->bookRepo->getAllPaginated(18, $sort, $order);
        $recents = $this->isSignedIn() ? $this->bookRepo->getRecentlyViewed(4) : false;
        $popular = $this->bookRepo->getPopular(4);
        $new = $this->bookRepo->getRecentlyCreated(4);

        $this->entityContextManager->clearShelfContext();

        $this->setPageTitle(trans('entities.books'));

        return view('books.index', [
            'books'   => $books,
            'recents' => $recents,
            'popular' => $popular,
            'new'     => $new,
            'view'    => $view,
            'sort'    => $sort,
            'order'   => $order,
        ]);
    }
    //
}