src/EventSubscriber/CacheClearSubscriber.php line 31

  1. <?php
  3. namespace Cms\EventSubscriber;
  5. use Symfony\Component\DependencyInjection\Attribute\Autowire;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\Filesystem\Filesystem;
  8. use Symfony\Component\Finder\Finder;
  9. use Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface;
  10. use Symfony\Component\HttpKernel\Event\TerminateEvent;
  11. use Symfony\Component\HttpKernel\HttpKernel;
  12. use Symfony\Component\HttpKernel\HttpKernelInterface;
  13. use Symfony\Component\HttpKernel\KernelEvents;
  14. use Symfony\Component\HttpKernel\KernelInterface;
  15. use Symfony\Component\HttpKernel\RebootableInterface;
  17. class CacheClearSubscriber implements EventSubscriberInterface
  18. {
  19.     private string $buildDir;
  21.     public function __construct(
  22.         #[Autowire(service: 'cache_clearer')] private readonly CacheClearerInterface $cacheClearer,
  23.         private readonly KernelInterface $kernel,
  24.         private readonly Filesystem $filesystem,
  25.         #[Autowire('%kernel.cache_dir%')] private string $cacheDir,
  26.         #[Autowire('%kernel.build_dir')] ?string $buildDir = null,
  27.     ) {
  28.         $this->buildDir ??= $this->cacheDir;
  29.     }
  31.     public function onKernelTerminate(TerminateEvent $event): void
  32.     {
  33.         $request = $event->getRequest();
  34.         if ('cms_admin_configuration_clearcache' !== $request->attributes->get('_route')) {
  35.             return;
  36.         }
  38.         $fs = $this->filesystem;
  39.         $realCacheDir = $this->cacheDir;
  40.         
  41.         if ($request->query->getBoolean('force')) {
  42.             $fs->remove($realCacheDir);
  43.             return;
  44.         }
  46.         $realBuildDir = $this->buildDir;
  47.         $useBuildDir = $realBuildDir !== $realCacheDir;
  49.         $oldCacheDir = substr($realCacheDir, 0, -1).(str_ends_with($realCacheDir, '~') ? '+' : '~');
  50.         $oldBuildDir = substr($realBuildDir, 0, -1).(str_ends_with($realBuildDir, '_') ? '-' : '_');
  51.         $warmupDir = substr($realBuildDir, 0, -1).(str_ends_with($realBuildDir, '_') ? '-' : '_');
  52.         $fs->remove($warmupDir);
  53.         $fs->mkdir($warmupDir);
  55.         if ($useBuildDir) {
  56.             $fs->remove($oldCacheDir);
  57.             $fs->rename($realCacheDir, $oldCacheDir);
  58.             $fs->mkdir($realCacheDir);
  60.             $this->cacheClearer->clear($realBuildDir);
  61.         }
  63.         $this->cacheClearer->clear($realCacheDir);
  65.         if (! $this->kernel instanceof RebootableInterface) {
  66.             throw new \RuntimeException();
  67.         }
  68.         $this->kernel->reboot($warmupDir);
  70.         $search = [$warmupDir, str_replace('\\', '\\\\', $warmupDir)];
  71.         $replace = str_replace('\\', '/', $realBuildDir);
  72.         foreach (Finder::create()->files()->in($warmupDir) as $file) {
  73.             $content = str_replace($search, $replace, file_get_contents($file), $count);
  74.             if ($count) {
  75.                 file_put_contents($file, $content);
  76.             }
  77.         }
  79.         $fs->rename($realBuildDir, $oldBuildDir);
  80.         $fs->rename($warmupDir, $realBuildDir);
  82.         if ($useBuildDir) {
  83.             $fs->remove($oldBuildDir);
  84.         }
  85.         $fs->remove($oldCacheDir);
  86.     }
  88.     public static function getSubscribedEvents(): array
  89.     {
  90.         return [
  91.             KernelEvents::TERMINATE => 'onKernelTerminate',
  92.         ];
  93.     }
  94. }