Fixes #17278: Rebuild the tree after bulk editing MPTT-enabled object types

Author: jeremystretch

netbox/netbox/views/generic/bulk_views.py

@@ -9,13 +9,14 @@
 from django.db import transaction, IntegrityError
 from django.db.models import ManyToManyField, ProtectedError, RestrictedError
 from django.db.models.fields.reverse_related import ManyToManyRel
-from django.forms import HiddenInput, ModelMultipleChoiceField, MultipleHiddenInput
+from django.forms import ModelMultipleChoiceField, MultipleHiddenInput
 from django.http import HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext as _
 from django_tables2.export import TableExport
+from mptt.models import MPTTModel
 
 from core.models import ObjectType
 from extras.choices import CustomFieldUIEditableChoices
@@ -614,6 +615,10 @@ def _update_objects(self, form, request):
             if form.cleaned_data.get('remove_tags', None):
                 obj.tags.remove(*form.cleaned_data['remove_tags'])
 
+        # Rebuild the tree for MPTT models
+        if issubclass(self.queryset.model, MPTTModel):
+            self.queryset.model.objects.rebuild()
+
         return updated_objects
 
     #