dnscms: improve associations app

dnscms/events/admin.py

@@ -1,15 +1,12 @@
-from urllib.parse import urlencode
-
-from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import gettext, gettext_lazy as _
 from django.utils.translation import ngettext
 from wagtail.admin.ui.tables import Column, DateColumn
 from wagtail.admin.ui.tables.pages import PageStatusColumn, PageTitleColumn
-from wagtail.admin.views.pages.choose_parent import ChooseParentView
 from wagtail.admin.views.pages.listing import IndexView
 from wagtail.admin.viewsets.pages import PageListingViewSet
 
+from dnscms.admin import ListingRedirectChooseParentView
 from events.models import EventPage
 
 
@@ -44,22 +41,8 @@ class EventPageIndexView(IndexView):
         )
 
 
-class EventChooseParentView(ChooseParentView):
-    """Redirect newly-created EventPages back to the events listing."""
-
-    def _with_next(self, response):
-        if response.status_code != 302:
-            return response
-        url = response["Location"]
-        sep = "&" if "?" in url else "?"
-        response["Location"] = f"{url}{sep}{urlencode({'next': reverse('events:index')})}"
-        return response
-
-    def get(self, request, *args, **kwargs):
-        return self._with_next(super().get(request, *args, **kwargs))
-
-    def form_valid(self, form):
-        return self._with_next(super().form_valid(form))
+class EventChooseParentView(ListingRedirectChooseParentView):
+    listing_url_name = "events:index"
 
 
 class EventPageListingViewSet(PageListingViewSet):