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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Handler; |
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use Doctrine\Persistence\ObjectRepository; |
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use Ecodev\Felix\Model\Image; |
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use Ecodev\Felix\Service\ImageResizer; |
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use Laminas\Diactoros\Response; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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final class ImageHandler extends AbstractHandler |
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{ |
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/** |
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* @var ObjectRepository |
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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 $imageResizer; |
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public function __construct(ObjectRepository $imageRepository, ImageResizer $imageService) |
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{ |
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$this->imageRepository = $imageRepository; |
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$this->imageResizer = $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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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$id = $request->getAttribute('id'); |
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/** @var null|Image $image */ |
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$image = $this->imageRepository->find($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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$accept = $request->getHeaderLine('accept'); |
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$useWebp = mb_strpos($accept, 'image/webp') !== false; |
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$path = $this->imageResizer->resize($image, $maxHeight, $useWebp); |
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} |
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$resource = fopen($path, 'rb'); |
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if ($resource === false) { |
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return $this->createError("Cannot open file for image $id on disk"); |
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} |
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$size = filesize($path); |
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$type = mime_content_type($path); |
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// Be sure that browser show SVG instead of downloading |
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if ($type === 'image/svg') { |
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$type = 'image/svg+xml'; |
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} |
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$response = new Response($resource, 200, ['content-type' => $type, 'content-length' => $size]); |
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return $response; |
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} |
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} |
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Ecodev /
felix
