fix: Show latest title of pages (admin_manager)

djangocms_link/admin.py

@@ -2,7 +2,7 @@
 from django.conf import settings
 from django.contrib import admin
 from django.core.exceptions import FieldError, PermissionDenied
-from django.db.models import Q
+from django.db.models import OuterRef, Q, Subquery
 from django.http import JsonResponse
 from django.urls import path
 from django.views.generic.list import BaseListView
@@ -98,7 +98,7 @@ def serialize_result(self, obj):
         """
         return {
             "id": f"{obj._meta.app_label}.{obj._meta.model_name}:{obj.pk}",
-            "text": str(obj),
+            "text": getattr(obj, "__link_text__", str(obj)),
             "url": obj.get_absolute_url(),
         }
 
@@ -108,16 +108,18 @@ def get_queryset(self):
             # django CMS 4.2+
             qs = PageContent.admin_manager.filter(language=self.language).filter(
                 Q(title__icontains=self.term) | Q(menu_title__icontains=self.term)
-            ).current_content().values_list("page_id", flat=True)
-            qs = Page.objects.filter(pk__in=qs).order_by("path")
+            ).current_content()
+            qs = (Page.objects.filter(pk__in=qs.values_list("page_id", flat=True)).order_by("path")
+                  .annotate(__link_text__=Subquery(qs.filter(page_id=OuterRef("pk")).values("title")[:1])))
             if self.site:
                 qs = qs.filter(site_id=self.site)
         except (AttributeError, FieldError):
             # django CMS 3.11 - 4.1
             qs = get_manager(PageContent, current_content=True).filter(language=self.language).filter(
                 Q(title__icontains=self.term) | Q(menu_title__icontains=self.term)
-            ).values_list("page_id", flat=True)
-            qs = Page.objects.filter(pk__in=qs).order_by("node__path")
+            )
+            qs = (Page.objects.filter(pk__in=qs.values_list("page_id", flat=True)).order_by("node__path")
+                  .annotate(__link_text__=Subquery(qs.filter(page_id=OuterRef("pk")).values("title")[:1])))
             if self.site:
                 qs = qs.filter(node__site_id=self.site)
         return list(qs)