From 7b2e8a12ff7dcacd5d65832d81d559716eec7ae4 Mon Sep 17 00:00:00 2001
From: Michele Awada <75516947+MicheleAwada@users.noreply.github.com>
Date: Fri, 1 Dec 2023 15:14:51 +0300
Subject: [PATCH] added nullIfNotAuthed arg to CurrentUserDefault

to prevent error when using a optional user field and the user isnt authenticated
---
 rest_framework/fields.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 0b56fa7fb..7481c31a6 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -262,8 +262,12 @@ class CreateOnlyDefault:
 
 class CurrentUserDefault:
     requires_context = True
+    def __init__(self, nullIfNotAuthed = False):
+        self.nullIfNotAuthed = nullIfNotAuthed
 
     def __call__(self, serializer_field):
+        if self.nullIfNotAuthed and not serializer_field.context['request'].user.is_authenticated:
+            return None
         return serializer_field.context['request'].user
 
     def __repr__(self):