From ba8d3f6743a302e6f180adfe2f2855206cc2c8d3 Mon Sep 17 00:00:00 2001
From: Richard Schreiber <schreiber@rami.io>
Date: Mon, 1 Dec 2025 09:53:24 +0100
Subject: [PATCH] fix code style

---
 src/pretix/api/serializers/media.py        | 9 +++++----
 src/pretix/base/exporters/reusablemedia.py | 3 ++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/pretix/api/serializers/media.py b/src/pretix/api/serializers/media.py
index c372a979b3..6ced4f404a 100644
--- a/src/pretix/api/serializers/media.py
+++ b/src/pretix/api/serializers/media.py
@@ -66,13 +66,14 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
+        expand_nested = self.context['request'].query_params.getlist('expand')
 
-        if 'linked_giftcard' in self.context['request'].query_params.getlist('expand'):
+        if 'linked_giftcard' in expand_nested:
             if not self.context["can_read_giftcards"]:
                 raise PermissionDenied("No permission to access gift card details.")
 
             self.fields['linked_giftcard'] = NestedGiftCardSerializer(read_only=True, context=self.context)
-            if 'linked_giftcard.owner_ticket' in self.context['request'].query_params.getlist('expand'):
+            if 'linked_giftcard.owner_ticket' in expand_nested:
                 self.fields['linked_giftcard'].fields['owner_ticket'] = NestedOrderPositionSerializer(read_only=True, context=self.context)
         else:
             self.fields['linked_giftcard'] = serializers.PrimaryKeyRelatedField(
@@ -88,7 +89,7 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
             queryset=OrderPosition.all.filter(order__event__organizer=self.context['organizer']),
         )
 
-        if 'linked_orderposition' in self.context['request'].query_params.getlist('expand') or 'linked_orderpositions' in self.context['request'].query_params.getlist('expand'):
+        if 'linked_orderposition' in expand_nested or 'linked_orderpositions' in expand_nested:
             self.fields['linked_orderpositions'] = NestedOrderPositionSerializer(
                 many=True,
                 read_only=True
@@ -101,7 +102,7 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
                 queryset=OrderPosition.all.filter(order__event__organizer=self.context['organizer']),
             )
 
-        if 'customer' in self.context['request'].query_params.getlist('expand'):
+        if 'customer' in expand_nested:
             if not self.context["can_read_customers"]:
                 raise PermissionDenied("No permission to access customer details.")
 
diff --git a/src/pretix/base/exporters/reusablemedia.py b/src/pretix/base/exporters/reusablemedia.py
index 854a281ac9..7a478c9ccf 100644
--- a/src/pretix/base/exporters/reusablemedia.py
+++ b/src/pretix/base/exporters/reusablemedia.py
@@ -20,12 +20,13 @@
 # <https://www.gnu.org/licenses/>.
 #
 
+from django.db.models import Prefetch
 from django.dispatch import receiver
 from django.utils.formats import date_format
 from django.utils.translation import gettext_lazy as _, pgettext, pgettext_lazy
 
 from ..exporter import ListExporter, OrganizerLevelExportMixin
-from ..models import ReusableMedium
+from ..models import OrderPosition, ReusableMedium
 from ..signals import register_multievent_data_exporters