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<?php |
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declare(strict_types=1); |
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namespace Application\Action; |
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use Application\Model\Image; |
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use Application\Repository\ImageRepository; |
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use Application\Service\ImageResizer; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Zend\Diactoros\Response; |
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class ImageAction extends AbstractAction |
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{ |
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/** |
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* @var ImageRepository |
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*/ |
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private $imageRepository; |
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/** |
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* @var ImageResizer |
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*/ |
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private $imageService; |
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public function __construct(ImageRepository $imageRepository, ImageResizer $imageService) |
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{ |
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$this->imageRepository = $imageRepository; |
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$this->imageService = $imageService; |
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} |
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/** |
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* Serve an image from disk, with optional dynamic resizing |
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* |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$id = $request->getAttribute('id'); |
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/** @var Image $image */ |
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$image = $this->imageRepository->findOneById($id); |
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if (!$image) { |
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return $this->createError("Image $id not found in database"); |
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} |
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$path = $image->getPath(); |
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if (!is_readable($path)) { |
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return $this->createError("Image for image $id not found on disk, or not readable"); |
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} |
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$maxHeight = (int) $request->getAttribute('maxHeight'); |
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if ($maxHeight) { |
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$path = $this->imageService->resize($image, $maxHeight); |
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} |
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$resource = fopen($path, 'r'); |
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$type = mime_content_type($path); |
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$response = new Response($resource, 200, ['content-type' => $type]); |
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return $response; |
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} |
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} |
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Ecodev /
my-ichtus
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