From 528a54619f835766dc8930ded1b387fe42533b5d Mon Sep 17 00:00:00 2001
From: Yoan Arnaudov <jonidev@gmail.com>
Date: Tue, 8 Aug 2023 12:11:37 +0300
Subject: [PATCH] Fix File Upload Example

---
 controller/upload_file.rst | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/controller/upload_file.rst b/controller/upload_file.rst
index 886c772d98a..2d6ad260491 100644
--- a/controller/upload_file.rst
+++ b/controller/upload_file.rst
@@ -222,9 +222,13 @@ You can use the following code to link to the PDF brochure of a product:
         use Symfony\Component\HttpFoundation\File\File;
         // ...
 
-        $product->setBrochureFilename(
-            new File($this->getParameter('brochures_directory').'/'.$product->getBrochureFilename())
-        );
+        if (!$form->isSubmitted() && $product->getBrochureFilename()) {
+            $form->setData(['brochure' => new File($this->getParameter('brochures_directory').'/'.$product->getBrochureFilename())]);
+        }
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            // ...
+        }
 
 Creating an Uploader Service
 ----------------------------