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<?php
declare(strict_types=1);
namespace App\Blog\Tag;
use App\Blog\Post\PostRepository;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Yiisoft\Data\Paginator\OffsetPaginator;
use Yiisoft\Yii\View\ViewRenderer;
final class TagController
{
private const POSTS_PER_PAGE = 10;
private ViewRenderer $viewRenderer;
public function __construct(ViewRenderer $viewRenderer)
$this->viewRenderer = $viewRenderer->withControllerName('blog/tag');
}
public function index(Request $request, TagRepository $tagRepository, PostRepository $postRepository, ResponseFactoryInterface $responseFactory): Response
$label = $request->getAttribute('label', null);
$pageNum = (int)$request->getAttribute('page', 1);
$item = $tagRepository->findByLabel($label);
if ($item === null) {
return $responseFactory->createResponse(404);
// preloading of posts
$paginator = (new OffsetPaginator($postRepository->findByTag($item->getId())))
->withPageSize(self::POSTS_PER_PAGE)
->withCurrentPage($pageNum);
$data = [
'item' => $item,
'paginator' => $paginator,
];
return $this->viewRenderer->render('index', $data);
yiisoft /
yii-demo
