Froala action sf2

gistfile1.php

/**
     * @Route("/upload_image_wysiwyg", name="upload_image_wysiwyg", options={"expose"=true})
     */
    public function uploadImageWYSIWYGAction(Request $request)
    {
        $user = $this->getLoggedUser();

        if(!$user)
        {
            return new JsonResponse(array('success'=>false,"error"=>"bad request"));
        }

        $extensions = array('png','jpg','jpeg','gif','bmp');

        $dir_path = 'medias/wysiwyg_files/';

        $uploadedFile = $request->files->get('file');
        $response = new \StdClass;

        if ($uploadedFile)
        {
            $ext  = $uploadedFile->guessExtension();
            if(in_array($ext, $extensions))
            {
                $file = $uploadedFile->move('../web/'.$dir_path, $uploadedFile->getClientOriginalName());
                if($file)
                {
                    // Generate response.
                    $response->link = '/'.$dir_path.$uploadedFile->getClientOriginalName();
                }
            }
        }

        return new JsonResponse($response);
    }