src/Controller/DownloadController.php line 31

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  1. <?php
  3. namespace App\Controller;
  5. use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
  6. use Symfony\Component\Filesystem\Filesystem;
  7. use Symfony\Component\HttpFoundation\Response;
  9. class DownloadController extends AbstractController
  10. {
  11.     const TEMPORARY_FOLDER = '/tmp';
  13.     /**
  14.      * @var Filesystem
  15.      */
  16.     private Filesystem $filesystem;
  18.     /**
  19.      * @param  Filesystem  $filesystem
  20.      */
  21.     public function __construct(Filesystem $filesystem)
  22.     {
  23.         $this->filesystem = $filesystem;
  24.     }
  26.     /**
  27.      * @param  string  $name
  28.      * @param  string  $extension
  29.      * @return Response
  30.      */
  31.     public function downloadFileResult(string $name, string $extension = 'csv'): Response
  32.     {
  33.         $temporaryFile = sprintf('%s/%s', self::TEMPORARY_FOLDER, $name);
  34.         $filename = sprintf('%s.%s', $name, $extension);
  36.         if (!$this->filesystem->exists($temporaryFile)) {
  37.             throw new \RuntimeException('Impossible to download this file.');
  38.         }
  40.         $response = new Response();
  42.         $response->headers->set('Content-Type', 'text/csv');
  43.         $response->headers->set('Content-Disposition', sprintf('attachment; filename=%s', $filename));
  44.         $response->setContent(file_get_contents($temporaryFile));
  46.         return $response;
  47.     }
  48. }