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<?php |
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namespace App\Blog\Tag; |
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use App\Controller; |
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use App\Blog\Entity\Post; |
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use App\Blog\Entity\Tag; |
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use App\Blog\Post\PostRepository; |
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use Cycle\ORM\ORMInterface; |
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use Psr\Http\Message\ResponseInterface as Response; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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use Yiisoft\Data\Paginator\OffsetPaginator; |
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use Yiisoft\Router\UrlGeneratorInterface; |
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final class TagController extends Controller |
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{ |
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private const POSTS_PER_PAGE = 10; |
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protected function getId(): string |
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{ |
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return 'blog/tag'; |
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} |
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public function index(Request $request, ORMInterface $orm): Response |
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{ |
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/** @var TagRepository $tagRepo */ |
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$tagRepo = $orm->getRepository(Tag::class); |
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/** @var PostRepository $postRepo */ |
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$postRepo = $orm->getRepository(Post::class); |
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$label = $request->getAttribute('label', null); |
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$pageNum = (int)$request->getAttribute('page', 1); |
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$item = $tagRepo->findByLabel($label); |
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if ($item === null) { |
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return $this->responseFactory->createResponse(404); |
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} |
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// preloading of posts |
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$paginator = (new OffsetPaginator($postRepo->findByTag($item->getId()))) |
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->withPageSize(self::POSTS_PER_PAGE) |
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->withCurrentPage($pageNum); |
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$data = [ |
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'item' => $item, |
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'paginator' => $paginator, |
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]; |
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$output = $this->render('index', $data); |
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$response = $this->responseFactory->createResponse(); |
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$response->getBody()->write($output); |
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return $response; |
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} |
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} |
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yiisoft /
yii-demo
