BlogPage custom_type_label (#1782)

Co-authored-by: Andrew Hosgood <andrew.hosgood@nationalarchives.gov.uk>

etna/api/urls.py

@@ -309,7 +309,9 @@ def top_level_blogs_list_view(self, request):
             queryset = queryset.not_descendant_of(blog, inclusive=False)
             blog_posts = BlogPostPage.objects.all().live().descendant_of(blog).count()
             blog_post_counts[blog.id] = blog_posts
-        serializer = DefaultPageSerializer(queryset, many=True)
+        serializer = DefaultPageSerializer(
+            queryset, required_api_fields=["custom_type_label"], many=True
+        )
         blogs = sorted(serializer.data, key=lambda x: x["title"])
         blogs = [blog | {"posts": blog_post_counts[blog["id"]]} for blog in blogs]
         top_level_queryset = BlogIndexPage.objects.all().live()

etna/blog/migrations/0011_blogpage_custom_type_label.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.4 on 2025-01-28 10:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0010_alter_blogpostpage_body'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='blogpage',
+            name='custom_type_label',
+            field=models.CharField(blank=True, help_text='Override the chip for child blog posts. If left blank, the chip will be the title of the blog.', max_length=20, null=True, verbose_name='Chip override'),
+        ),
+    ]

etna/blog/models.py

@@ -1,3 +1,4 @@
+from django.db import models
 from django.utils.functional import cached_property
 from wagtail.admin.panels import FieldPanel
 from wagtail.api import APIField
@@ -36,6 +37,14 @@ class BlogPage(HeroImageMixin, BasePageWithRequiredIntro):
     blogs within this blog.
     """
 
+    custom_type_label = models.CharField(
+        max_length=20,
+        blank=True,
+        null=True,
+        help_text="Override the chip for child blog posts. If left blank, the chip will be the title of the blog.",
+        verbose_name="Chip override",
+    )
+
     parent_page_types = [
         "blog.BlogIndexPage",
         "blog.BlogPage",
@@ -50,9 +59,15 @@ class BlogPage(HeroImageMixin, BasePageWithRequiredIntro):
         BasePageWithRequiredIntro.content_panels + HeroImageMixin.content_panels
     )
 
-    promote_panels = BasePageWithRequiredIntro.promote_panels
+    promote_panels = BasePageWithRequiredIntro.promote_panels + [
+        FieldPanel("custom_type_label"),
+    ]
 
-    api_fields = BasePageWithRequiredIntro.api_fields + HeroImageMixin.api_fields
+    api_fields = (
+        BasePageWithRequiredIntro.api_fields
+        + HeroImageMixin.api_fields
+        + [APIField("custom_type_label")]
+    )
 
 
 class BlogPostPage(
@@ -80,12 +95,12 @@ def type_label(cls) -> str:
         Overrides the type_label method from BasePage, to return the correct
         type label for the blog post page.
         """
-        parent = cls.get_parent()
-        if not parent:
+        top_level = cls.get_ancestors().type(BlogPage).first().specific
+        if not top_level:
             return "Blog post"
-        while parent.get_parent().specific_class == BlogPage:
-            parent = parent.get_parent()
-        return parent.title
+        if top_level.custom_type_label:
+            return top_level.custom_type_label
+        return top_level.title
 
     content_panels = (
         BasePageWithRequiredIntro.content_panels