From 4e9d29e6bbd1bbae2b8f808afb7420364b710666 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Bedna=C5=99=C3=ADk?= <jan.bednarik@gmail.com>
Date: Wed, 13 Oct 2021 18:56:30 +0200
Subject: [PATCH] majak: Custom 404 handlers
---
README.md | 8 ++++++++
majak/urls.py | 2 ++
shared/views.py | 18 ++++++++++++++++++
3 files changed, 28 insertions(+)
create mode 100644 shared/views.py
diff --git a/README.md b/README.md
index b3c8c86f..ff2dc492 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,14 @@ Kalendář se stáhne při uložení modelu obsahujícího `CalendarMixin`.
Appka přidává management command `update_callendars`, který stahuje a updatuje
kalendáře. Je třeba ho pravidelně volat na pozadí (přes CRON).
+### Stránka 404
+
+Pokud je třeba vlastní 404 pro web, stačí do kořenové `xxxHomePage` webu
+definovat metodu `get_404_response` vracející Django HTTP Reponse objekt.
+
+ def get_404_response(self, request):
+ return HttpResponse("Stránka nenalezena", status=404)
+
## Deployment
### Konfigurace
diff --git a/majak/urls.py b/majak/urls.py
index 5f18ce5c..1dbbebe0 100644
--- a/majak/urls.py
+++ b/majak/urls.py
@@ -10,6 +10,8 @@ from wagtail.documents import urls as wagtaildocs_urls
from elections2021 import views as elections2021_views
from search import views as search_views
+handler404 = "shared.views.page_not_found"
+
urlpatterns = [
url(r"^django-admin/", admin.site.urls),
url(r"^admin/", include(wagtailadmin_urls)),
diff --git a/shared/views.py b/shared/views.py
new file mode 100644
index 00000000..b0f8579f
--- /dev/null
+++ b/shared/views.py
@@ -0,0 +1,18 @@
+from django.http import HttpResponse
+from wagtail.core.models import Site
+
+
+def page_not_found(request, exception=None):
+ try:
+ site = Site.find_for_request(request)
+ root_page = site.root_page.specific
+ except:
+ root_page = None
+
+ if root_page and hasattr(root_page, "get_404_response"):
+ return root_page.get_404_response(request)
+
+ return HttpResponse(
+ "<h1>Stránka nenalezena</h1><a href='/'>pokračovat na úvod</a>",
+ status=404,
+ )
--
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