src/Service/ResponsiveAssetsService.php line 19

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  1. <?php
  3. namespace App\Service;
  5. use App\Bridge\Symfony\Asset\VersionStrategy\ResponsiveAssetStrategy;
  6. use Symfony\Component\Asset\Exception\InvalidArgumentException;
  7. use Symfony\Component\Asset\Packages;
  9. class ResponsiveAssetsService
  10. {
  11.     const RESPONSIVE_PACKAGE_PREFIX = 'responsive_';
  13.     private static array $allowedResponsiveImageExtensions = ['jpg', 'webp'];
  15.     public function __construct(
  16.         private Packages $packages
  17.     ) {}
  19.     public function getResponsiveImageUrl(string $path, string $packageName, string $presetName, string $extension = 'jpg')
  20.     {
  21.         $extension = strtolower($extension);
  22.         if (!in_array($extension, self::$allowedResponsiveImageExtensions)) {
  23.             throw new \RuntimeException(sprintf('Unexpected responsive image extension "%s". Allowed extensions: %s.', $extension, implode(', ', self::$allowedResponsiveImageExtensions)));
  24.         }
  26.         $responsivePackageName = $this->responsivePackageName($packageName);
  27.         if ($this->supportsResponsive($path, $responsivePackageName)) {
  28.             $path = sprintf('%s/%s.%s', $path, $presetName, $extension);
  30.             return $this->packages->getUrl($path, $responsivePackageName);
  31.         }
  33.         return $this->packages->getUrl($path, $packageName);
  34.     }
  36.     public function getStreamUrl(string $path, string $packageName)
  37.     {
  38.         $responsivePackageName = $this->responsivePackageName($packageName);
  39.         if ($this->supportsResponsive($path, $responsivePackageName)) {
  40.             $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
  41.             $path = sprintf('%s/stream.%s', $path, $extension);
  43.             return $this->packages->getUrl($path, $responsivePackageName);
  44.         }
  46.         return $this->packages->getUrl($path, $packageName);
  47.     }
  49.     private function supportsResponsive(string $path, string $packageName): bool
  50.     {
  51.         try {
  52.             return ResponsiveAssetStrategy::NAME === $this->packages->getVersion($path, $packageName);
  53.         } catch (InvalidArgumentException $ex) { // Исключение будет, если пакета с указанным именем не существует
  54.             return false;
  55.         }
  56.     }
  58.     private function responsivePackageName(string $packageName): string
  59.     {
  60.         if (false !== strpos($packageName, self::RESPONSIVE_PACKAGE_PREFIX)) {
  61.             return $packageName;
  62.         }
  64.         return self::RESPONSIVE_PACKAGE_PREFIX.$packageName;
  65.     }
  66. }