Merge branch 'main' into feature

netbox/dcim/signals.py

@@ -1,15 +1,17 @@
 import logging
 
 from django.db.models import Q
-from django.db.models.signals import post_save, post_delete
+from django.db.models.signals import post_delete, post_save
 from django.dispatch import receiver
 
 from dcim.choices import CableEndChoices, LinkStatusChoices
-from virtualization.models import VMInterface
+from ipam.models import Prefix
+from virtualization.models import Cluster, VMInterface
+from wireless.models import WirelessLAN
 from .models import (
     Cable, CablePath, CableTermination, ConsolePort, ConsoleServerPort, Device, DeviceBay, FrontPort, Interface,
-    InventoryItem, ModuleBay, PathEndpoint, PortMapping, PowerOutlet, PowerPanel, PowerPort, Rack, RearPort, Location,
-    VirtualChassis,
+    InventoryItem, Location, ModuleBay, PathEndpoint, PortMapping, PowerOutlet, PowerPanel, PowerPort, Rack, RearPort,
+    Site, VirtualChassis,
 )
 from .models.cables import trace_paths
 from .utils import create_cablepaths, rebuild_paths
@@ -45,6 +47,9 @@ def handle_location_site_change(instance, created, **kwargs):
         Device.objects.filter(location__in=locations).update(site=instance.site)
         PowerPanel.objects.filter(location__in=locations).update(site=instance.site)
         CableTermination.objects.filter(_location__in=locations).update(_site=instance.site)
+        # Update component models for devices in these locations
+        for model in COMPONENT_MODELS:
+            model.objects.filter(device__location__in=locations).update(_site=instance.site)
 
 
 @receiver(post_save, sender=Rack)
@@ -54,6 +59,12 @@ def handle_rack_site_change(instance, created, **kwargs):
     """
     if not created:
         Device.objects.filter(rack=instance).update(site=instance.site, location=instance.location)
+        # Update component models for devices in this rack
+        for model in COMPONENT_MODELS:
+            model.objects.filter(device__rack=instance).update(
+                _site=instance.site,
+                _location=instance.location,
+            )
 
 
 @receiver(post_save, sender=Device)
@@ -172,3 +183,40 @@ def update_mac_address_interface(instance, created, raw, **kwargs):
     if created and not raw and instance.primary_mac_address:
         instance.primary_mac_address.assigned_object = instance
         instance.primary_mac_address.save()
+
+
+@receiver(post_save, sender=Location)
+@receiver(post_save, sender=Site)
+def sync_cached_scope_fields(instance, created, **kwargs):
+    """
+    Rebuild cached scope fields for all CachedScopeMixin-based models
+    affected by a change in a Region, SiteGroup, Site, or Location.
+
+    This method is safe to run for objects created in the past and does
+    not rely on incremental updates. Cached fields are recomputed from
+    authoritative relationships.
+    """
+    if created:
+        return
+
+    if isinstance(instance, Location):
+        filters = {'_location': instance}
+    elif isinstance(instance, Site):
+        filters = {'_site': instance}
+    else:
+        return
+
+    # These models are explicitly listed because they all subclass CachedScopeMixin
+    # and therefore require their cached scope fields to be recomputed.
+    for model in (Prefix, Cluster, WirelessLAN):
+        qs = model.objects.filter(**filters)
+
+        for obj in qs:
+            # Recompute cache using the same logic as save()
+            obj.cache_related_objects()
+            obj.save(update_fields=[
+                '_location',
+                '_site',
+                '_site_group',
+                '_region',
+            ])