feat: add error message page; improve admin ui; add missing test files

aircox/admin_site.py

@@ -3,7 +3,7 @@ from django.urls import include, path, reverse
 from django.utils.translation import gettext_lazy as _
 from rest_framework.routers import DefaultRouter
 
-from .models import Comment, Diffusion, Program
+from . import models
 from .views.admin import StatisticsView
 
 __all__ = ["AdminSite"]
@@ -26,17 +26,20 @@ class AdminSite(admin.AdminSite):
         context.update(
             {
                 # all programs
-                "programs": Program.objects.active()
+                "programs": models.Program.objects.active()
                 .values("pk", "title")
                 .order_by("title"),
                 # today's diffusions
-                "diffusions": Diffusion.objects.date()
+                "diffusions": models.Diffusion.objects.date()
                 .order_by("start")
                 .select_related("episode"),
                 # TODO: only for dashboard
                 # last comments
-                "comments": Comment.objects.order_by("-date").select_related(
-                    "page"
+                "comments": models.Comment.objects.order_by(
+                    "-date"
+                ).select_related("page")[0:10],
+                "latests": models.Page.objects.select_subclasses().order_by(
+                    "-pub_date"
                 )[0:10],
             }
         )