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<?php
declare(strict_types=1);
namespace App\Application\Blog\Service;
use App\Application\Blog\Entity\Post\Post;
use App\Application\Blog\Entity\Post\PostRepository;
use App\Application\Exception\NotFoundException;
use Yiisoft\Data\Paginator\OffsetPaginator;
use Yiisoft\Data\Paginator\PaginatorInterface;
final class BlogService
{
private const POSTS_PER_PAGE = 10;
private PostRepository $postRepository;
public function __construct(PostRepository $postRepository)
$this->postRepository = $postRepository;
}
public function getPosts(int $page): PaginatorInterface
$dataReader = $this->postRepository->findAll();
return (new OffsetPaginator($dataReader))
->withPageSize(self::POSTS_PER_PAGE)
->withCurrentPage($page);
/**
* @param int $id
*
* @throws NotFoundException
* @return Post
*/
public function getPost(int $id): Post
* @var Post|null $post
$post = $this->postRepository->findOne(['id' => $id]);
if ($post === null) {
throw new NotFoundException();
return $post;
yiisoft /
demo-api
