fix: Unnecessary complexity in current_content query set (#417)

* Fix: Linear in stead of quadratic complexity in `current_content` queryset method.

* Update tests

* Add test for latest_content issue in core

djangocms_versioning/managers.py

@@ -60,23 +60,16 @@ def _chain(self):
         clone._group_by_key = self._group_by_key
         return clone
 
-    def current_content_iterator(self, **kwargs):
-        """Returns generator (not a queryset) over current content versions. Current versions are either draft
-        versions or published versions (in that order)"""
-        warnings.warn("current_content_iterator is deprecated in favour of current_conent",
-                      DeprecationWarning, stacklevel=2)
-        return iter(self.current_content(**kwargs))
-
     def current_content(self, **kwargs):
         """Returns a queryset current content versions. Current versions are either draft
         versions or published versions (in that order). This optimized query assumes that
         draft versions always have a higher pk than any other version type. This is true as long as
         no other version type can be converted to draft without creating a new version."""
-        qs = self.filter(versions__state__in=(constants.DRAFT, constants.PUBLISHED), **kwargs)
-        pk_filter = qs.values(*self._group_by_key)\
+        pk_filter = self.filter(versions__state__in=(constants.DRAFT, constants.PUBLISHED))\
+            .values(*self._group_by_key)\
             .annotate(vers_pk=models.Max("versions__pk"))\
-            .values_list("vers_pk", flat=True)
-        return qs.filter(versions__pk__in=pk_filter)
+            .values("vers_pk")
+        return self.filter(versions__pk__in=pk_filter, **kwargs)
 
     def latest_content(self, **kwargs):
         """Returns the "latest" content object which is in this order

tests/test_content_models.py

@@ -68,7 +68,7 @@ def setUp(self) -> None:
             self.create_page_content(page, "it", constants.ARCHIVED)
             self.create_page_content(page, "it", constants.PUBLISHED)
 
-    def test_current_content_iterator(self):
+    def test_current_content(self):
         # 12 PageContent versions in total
         self.assertEqual(len(list(
             PageContent.admin_manager.all()
@@ -79,11 +79,11 @@ def test_current_content_iterator(self):
         self.assertEqual(len(qs), 4)
         self.assertEqual(qs._group_by_key, ["page", "language"])
         self.assertEqual(len(list(
-            PageContent.admin_manager.filter(page__in=self.pages1).current_content_iterator()
-        )), 4, f"{list(PageContent.admin_manager.filter(page__in=self.pages1).current_content_iterator())}")
+            PageContent.admin_manager.filter(page__in=self.pages1).current_content()
+        )), 4, f"{list(PageContent.admin_manager.filter(page__in=self.pages1).current_content())}")
         # 2 current PageContent versions for self.pages2
         self.assertEqual(len(list(
-            PageContent.admin_manager.filter(page__in=self.pages2).current_content_iterator()
+            PageContent.admin_manager.filter(page__in=self.pages2).current_content()
         )), 4)
 
         # Now unpublish all published in pages2
@@ -93,5 +93,5 @@ def test_current_content_iterator(self):
 
         # 2 current PageContent versions for self.pages2
         self.assertEqual(len(list(
-            PageContent.admin_manager.filter(page__in=self.pages2).current_content_iterator()
+            PageContent.admin_manager.filter(page__in=self.pages2).current_content()
         )), 2)

tests/test_integration_with_core.py

@@ -1,7 +1,12 @@
+from unittest import skipIf
+
+from cms import __version__ as cms_version
 from cms.test_utils.testcases import CMSTestCase
 from cms.toolbar.toolbar import CMSToolbar
 from cms.utils.urlutils import admin_reverse
+from django.template import Context
 
+from djangocms_versioning import constants
 from djangocms_versioning.plugin_rendering import VersionContentRenderer
 from djangocms_versioning.test_utils.factories import (
     PageFactory,
@@ -256,3 +261,43 @@ def test_success_url_for_cms_wizard(self):
             poll_wizard.get_success_url(version.content),
             version.content.get_absolute_url(),
         )
+
+
+class AdminManagerIntegrationTestCase(CMSTestCase):
+    def setUp(self):
+        self.page = PageFactory(node__depth=1) if TreeNode else PageFactory(depth=1)
+        self.en_version = PageVersionFactory(
+            content__page=self.page,
+            content__language="en",
+            state=constants.UNPUBLISHED,
+        )
+        self.fr_version = PageVersionFactory(
+            content__page=self.page,
+            content__language="fr",
+            state=constants.ARCHIVED,
+        )
+        self.page.languages = "en,fr"
+        self.page.save()
+
+
+    @skipIf(cms_version < "4.1.3", "Bug only fixed in django CMS 4.1.3")
+    def test_get_admin_url_for_language(self):
+        """Regression fixed that made unpublished and archived versions invisivle to get_admin_url_for_language
+        template tag. See: https://github.com/django-cms/django-cms/pull/7967"""
+        from django.template import Template
+
+        # Test English page with unpublished version
+        context = Context({"page": self.page})
+        template = Template("{% load cms_admin %}{% get_admin_url_for_language page 'en' %}")
+
+        result = template.render(context)
+
+        self.assertIn(f"/admin/cms/pagecontent/{self.en_version.content.pk}/", result)
+
+        # Test French page with archived version
+        template = Template("{% load cms_admin %}{% get_admin_url_for_language page 'fr' %}")
+
+        result = template.render(context)
+
+        self.assertIn(f"/admin/cms/pagecontent/{self.fr_version.content.pk}/", result)
+