🗃️ [#1451] -- add data migration to add the new display/presentation …

…options with default values

src/openforms/forms/migrations/0023_add_show_in_FOO_defaults.py

@@ -0,0 +1,55 @@
+# Generated by Django 3.2.13 on 2022-05-09 10:21
+
+from django.db import migrations
+
+from openforms.formio.rendering.constants import RenderConfigurationOptions
+from openforms.formio.utils import iter_components
+
+defaults = {
+    RenderConfigurationOptions.show_in_summary: True,
+    RenderConfigurationOptions.show_in_pdf: True,
+}
+
+
+def update_configuration(component: dict) -> bool:
+    key = RenderConfigurationOptions.show_in_confirmation_email
+    if key not in component:
+        return False
+
+    modified = False
+    for option, default_value in defaults.items():
+        # skip if it's defined already
+        if option in component:
+            continue
+
+        component[option] = default_value
+        modified = True
+
+    return modified
+
+
+def add_missing_show_in_FOO_options(apps, _):
+    FormDefinition = apps.get_model("forms", "FormDefinition")
+    for form_def in FormDefinition.objects.all():
+        if not form_def.configuration:
+            continue
+
+        is_modified = False
+        for component in iter_components(form_def.configuration, recursive=True):
+            is_modified = update_configuration(component)
+
+        if is_modified:
+            form_def.save(update_fields=["configuration"])
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("forms", "0022_formsexport"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            add_missing_show_in_FOO_options, migrations.RunPython.noop
+        ),
+    ]