Apply RevisionMixin to BreadType model

bakerydemo/breads/migrations/0005_breadtype_latest_revision.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.1.2 on 2022-10-20 13:36
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("wagtailcore", "0077_alter_revision_user"),
+        ("breads", "0004_use_json_field_for_body_streamfield"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="breadtype",
+            name="latest_revision",
+            field=models.ForeignKey(
+                blank=True,
+                editable=False,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="+",
+                to="wagtailcore.revision",
+                verbose_name="latest revision",
+            ),
+        ),
+    ]

bakerydemo/breads/models.py

@@ -4,7 +4,7 @@ from django.db import models
 from modelcluster.fields import ParentalManyToManyField
 from wagtail.admin.panels import FieldPanel, MultiFieldPanel
 from wagtail.fields import StreamField
-from wagtail.models import Page
+from wagtail.models import Page, RevisionMixin
 from wagtail.search import index
 from wagtail.snippets.models import register_snippet
 
@@ -56,7 +56,7 @@ class BreadIngredient(models.Model):
 
 
 @register_snippet
-class BreadType(models.Model):
+class BreadType(RevisionMixin, models.Model):
     """
     A Django model to define the bread type
     It uses the `@register_snippet` decorator to allow it to be accessible