From c8a083feff5b25581be969694a688c9ac897508b Mon Sep 17 00:00:00 2001
From: Frank Hennige <frank@hennige-it.de>
Date: Wed, 19 Jul 2023 23:11:02 +0200
Subject: [PATCH] Cache to avoid multiple database queries

---
 src/oscar_pg_search/filter_options/filter_forms.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/oscar_pg_search/filter_options/filter_forms.py b/src/oscar_pg_search/filter_options/filter_forms.py
index 2cdfb69..0ff349a 100644
--- a/src/oscar_pg_search/filter_options/filter_forms.py
+++ b/src/oscar_pg_search/filter_options/filter_forms.py
@@ -4,6 +4,7 @@
 from django.conf import settings
 from django.urls.base import reverse
 from django.utils.translation import gettext_lazy as _
+from django.utils.functional import cached_property
 from oscar.core.loading import get_model
 from .base_form import FilterFormBase
 from .product_fields import MultipleChoiceProductField
@@ -46,7 +47,7 @@ def initialize(self):
             del self.fields[fieldname]
         return result
 
-    @property
+    @cached_property
     def enabled_attached_fields(self):
         codes = getattr(settings, 'OSCAR_ATTACHED_PRODUCT_FIELDS', [])
         return [x for x in codes if x not in self.disabled_fields]
@@ -69,7 +70,7 @@ def get_offer_field(self):
             return {'offer_only': field}
         return {}
 
-    @property
+    @cached_property
     def enabled_attributes(self):
         qs = ProductAttribute.objects.all()
         if hasattr(ProductAttribute, 'filter_enabled'):