Refactor uploded file handling

src/Service/OfferPhotoHelper.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Service;
+
+use App\Entity\Offering;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Filesystem\Exception\IOExceptionInterface;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class OfferPhotoHelper
+{
+    private $logger;
+
+    public function __construct(LoggerInterface $logger)
+    {
+        $this->filesystem = new Filesystem();
+    }
+
+    public function uploadOfferPhoto(string $photoDir, UploadedFile $photo, Offering $offer)
+    {
+        $filename = uniqid().'.'.$photo->guessExtension();
+        try {
+            $photo->move($photoDir, $filename);
+        } catch (FileException $e) {
+            // unable to upload the photo, give up
+            $this->addFlash("error", "There was an error uploading the photo: ".$e);
+            return $this->redirectToRoute('new_offer');
+        }
+        $offer->setPhotoFilename($filename);
+    }
+
+    public function deleteOfferPhoto(string $photoDir, string $filename)
+    {
+        $file = $photoDir . '/' . $filename;
+        if($this->filesystem->exists($file)) {
+            $this->filesystem->remove($file);
+        }
+
+    }
+}