feat: limit how news pages can be organized (#5)

README.md

@@ -24,7 +24,7 @@ Example urls
 - [x] Get local `docker-compose` based development setup functional and documented
 - [x] Get local editor tooling functional and documented
 - [ ] Get staging environment up and running using terraform (in another repo for now)
-- [ ] Limit sub-page types available on `aktuelt` app
+- [x] Limit sub-page types available on `aktuelt` app
 - [ ] Start iterating on `aktuelt` app to get a minimal realistic and functional article setup in place  (look at existing page for inspiration)
 - [ ] Iterate on README and other docs to include any relevant commands and setup steps
 

aktuelt/models.py

@@ -32,6 +32,8 @@ def get_context(self, request):
 
 
 class NewsIndexPage(Page):
+    subpage_types = ["aktuelt.NewsPage"]
+
     intro = RichTextField(blank=True)
 
     content_panels = Page.content_panels + [FieldPanel("intro")]
@@ -44,6 +46,9 @@ def get_context(self, request):
 
 
 class NewsPage(Page):
+    parent_page_types = ["aktuelt.NewsIndexPage"]
+    subpage_types = []
+
     date = models.DateField("Post date")
     intro = models.CharField(max_length=250)
     body = RichTextField(blank=True)

aktuelt/tests.py

@@ -64,3 +64,11 @@ def test_secret_news_page_html_is_not_readable_via_page_url(self):
         newsPage = NewsPage.objects.get(title="Secret news page")
         response = self.client.get(newsPage.get_url() or "/invalid-url/")
         self.assertEqual(response.status_code, 404)
+
+
+class AktueltNewsPageStructure(WagtailPageTestCase):
+    def test_news_page_can_only_be_created_under_news_index_page(self):
+        self.assertAllowedParentPageTypes(NewsPage, {NewsIndexPage})
+
+    def test_news_page_index_can_only_hace_news_pages_as_children(self):
+        self.assertAllowedSubpageTypes(NewsIndexPage, {NewsPage})