UnderCurrent/app/Controller/HelloWorldController.php

<?php

namespace App\Controller;

use App\Entity\Book;
use App\View\RouteView;
use Ardent\Undercurrent\Attribute\Route;
use Ardent\Undercurrent\Http\GenericResponse;
use Ardent\Undercurrent\Http\ResponseInterface;
use Ardent\Undercurrent\Http\RoutesConfig;
use Ardent\Undercurrent\Http\StatusEnum;
use Ardent\Undercurrent\View\BaseView;
use Ardent\Undercurrent\View\ViewInterface;
use Doctrine\ORM\EntityManager;

class HelloWorldController
{
    #[Route('/')]
    public function index(): ViewInterface
    {
        return new BaseView('/index');
    }

    #[Route('/error')]
    public function error(): ResponseInterface
    {
        return new GenericResponse('error', StatusEnum::NOT_FOUND);
    }

    #[Route('/hello')]
    public function hello(): ResponseInterface
    {
        return new GenericResponse('Hello World!');
    }

    #[Route('/view/{name}')]
    public function view(string $name): ViewInterface
    {
        return new BaseView('/home', ['name' => $name]);
    }

    #[Route('/routes')]
    public function routes(RoutesConfig $config): ViewInterface
    {
        return new RouteView($config);
    }

    #[Route('/world/{name}')]
    public function world(string $name): ResponseInterface
    {
        return new GenericResponse("Hello $name!");
    }

    #[Route('/db')]
    public function db(EntityManager $em): ResponseInterface
    {
        $repo = $em->getRepository(Book::class);
        dump($repo->findAll());

        return new GenericResponse("DB stuff");
    }

    #[Route('/create')]
    public function createDb(EntityManager $em): ResponseInterface
    {
        $books = $em->getRepository(Book::class)->findAll();
        $book = new Book();
        $book->setTitle(sprintf('Book %d', count($books) + 1));
        $em->persist($book);
        $em->flush();
        dump($book);

        return new GenericResponse("DB stuff");
    }
}