fix promote inheritance

books/migrations/0152_alter_book_promote_snippet_delete_promotesnippets.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.1.7 on 2024-01-29 22:44
+
+import books.models
+from django.db import migrations
+import snippets.models
+import wagtail.fields
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("books", "0151_book_promote_snippet_promotesnippets"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="promote_snippet",
+            field=wagtail.fields.StreamField(
+                [("content", books.models.PromoteSnippetContentChooserBlock(snippets.models.PromoteSnippet))],
+                blank=True,
+                null=True,
+                use_json_field=True,
+            ),
+        ),
+        migrations.DeleteModel(
+            name="PromoteSnippets",
+        ),
+    ]

books/models.py

@@ -461,7 +461,7 @@ def get_api_representation(self, value, context=None):
 
 
 class PromoteSnippetBlock(blocks.StreamBlock):
-    content = SharedContentChooserBlock(snippets.PromoteSnippet)
+    content = PromoteSnippetContentChooserBlock(snippets.PromoteSnippet)
 
     class Meta:
         icon = 'snippet'
@@ -490,9 +490,6 @@ class K12BookSubjects(Orderable, K12SubjectBooks):
 class BookCategories(Orderable, BookCategory):
     book_category = ParentalKey('books.Book', related_name='book_categories')
 
-class PromoteSnippets(Orderable, snippets.PromoteSnippet):
-    promote_snippet = ParentalKey('books.Book', related_name='promote_snippets')
-
 
 class Book(Page):
     licenses = (