From 4c71995560b4145ee4940a7193a6e37e0407b6b6 Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@rami.io>
Date: Thu, 3 Feb 2022 11:21:49 +0100
Subject: [PATCH] Support for file upload in asynctask.js

---
 src/pretix/static/pretixbase/js/asynctask.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/pretix/static/pretixbase/js/asynctask.js b/src/pretix/static/pretixbase/js/asynctask.js
index 2389a47d69..14b430d32b 100644
--- a/src/pretix/static/pretixbase/js/asynctask.js
+++ b/src/pretix/static/pretixbase/js/asynctask.js
@@ -215,11 +215,17 @@ $(function () {
             'this page and try again.'
         ));
 
+
+        console.log($(this).get(0))
+        var formData = new FormData($(this).get(0))
+        formData.append('ajax', '1');
         $.ajax(
             {
                 'type': 'POST',
                 'url': $(this).attr('action'),
-                'data': $(this).serialize() + '&ajax=1',
+                'data': formData,
+                processData: false,
+                contentType: false,
                 'success': async_task_callback,
                 'error': async_task_error,
                 'context': this,