AKModel/site.py

+from django.contrib.admin import AdminSite
+from django.utils.translation import gettext_lazy as _
+# from django.urls import path
+
+from AKModel.models import Event
+
+
+class AKAdminSite(AdminSite):
+    """
+    Custom admin interface definition (extend the admin functionality of Django)
+    """
+    index_template = "admin/ak_index.html"
+    site_header = f"AKPlanning - {_('Administration')}"
+    index_title = _('Administration')
+
+    def get_urls(self):
+        """
+        Get URLs -- add further views that are not related to a certain model here if needed
+        """
+        urls = super().get_urls()
+        urls += [
+            # path('...', self.admin_view(...)),
+        ]
+        return urls
+
+    def index(self, request, extra_context=None):
+        # Override index page rendering to provide extra context (the list of active events)
+        # to be used in the adapted template
+        if extra_context is None:
+            extra_context = {}
+        extra_context["active_events"] = Event.objects.filter(active=True)
+        return super().index(request, extra_context)