internship-playground/src-php/app/internship/model/CommentDao.php

<?php

namespace internship\model;

use n2n\persistence\orm\EntityManager;
use n2n\context\attribute\RequestScoped;
use internship\bo\Comment;
use n2n\context\attribute\Inject;

#[RequestScoped]
class CommentDao {
	#[Inject]
	private EntityManager $em;

	/**
	 * Gebe alle {@see Comment}-Objekte, nach id absteigend sortiert, zurück.
	 *
	 * @return Comment[]
	 */
	function getComments(): array {
		// http://localhost/php-storm/internship-playground/src-php/public/api/comment/comments/

		$criteria = $this->em->createSimpleCriteria(Comment::getClass(), array(), array('id' => 'DESC'));
		return $criteria->toQuery()->fetchArray();
	}

	function getCommentById(int $id): ?Comment {
		// http://localhost/php-storm/internship-playground/src-php/public/api/comment/comment/2
		return $this->em->find(Comment::getClass(), $id);
	}

	/* function getCommentById(int $id) {
		$criteria = $this->em->createCriteria();
		$criteria->select('c.id', 'commentId')
				->select('c.article.id', 'articleId')
				->from(Comment::class , 'c')
				->where(['c.id'=>$id]);
		return $criteria->toQuery()->fetchSingle();
	} */
}