From c8f17e06a24810be95049306dc34c34ed6a22d7c Mon Sep 17 00:00:00 2001
From: matthew-242 <112594105+matthew-242@users.noreply.github.com>
Date: Tue, 20 Jan 2026 01:09:03 +1100
Subject: [PATCH] Add support to filter on cached relations _location, _region,
 _site and _site_group to ScopedFilterMixin (#21162)

---
 netbox/dcim/graphql/filter_mixins.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/netbox/dcim/graphql/filter_mixins.py b/netbox/dcim/graphql/filter_mixins.py
index 50ce98cfb..f86969a8e 100644
--- a/netbox/dcim/graphql/filter_mixins.py
+++ b/netbox/dcim/graphql/filter_mixins.py
@@ -13,6 +13,7 @@ if TYPE_CHECKING:
     from netbox.graphql.filter_lookups import IntegerLookup
     from extras.graphql.filters import ConfigTemplateFilter
     from ipam.graphql.filters import VLANFilter, VLANTranslationPolicyFilter
+    from dcim.graphql.filters import LocationFilter, RegionFilter, SiteFilter, SiteGroupFilter
     from .filters import *
 
 __all__ = (
@@ -35,6 +36,20 @@ class ScopedFilterMixin:
     )
     scope_id: ID | None = strawberry_django.filter_field()
 
+    # Cached relations
+    _location: Annotated['LocationFilter', strawberry.lazy('dcim.graphql.filters')] | None = (
+        strawberry_django.filter_field(name='location')
+    )
+    _region: Annotated['RegionFilter', strawberry.lazy('dcim.graphql.filters')] | None = (
+        strawberry_django.filter_field(name='region')
+    )
+    _site_group: Annotated['SiteGroupFilter', strawberry.lazy('dcim.graphql.filters')] | None = (
+        strawberry_django.filter_field(name='site_group')
+    )
+    _site: Annotated['SiteFilter', strawberry.lazy('dcim.graphql.filters')] | None = (
+        strawberry_django.filter_field(name='site')
+    )
+
 
 @dataclass
 class ComponentModelFilterMixin: