dataoverlays can have an access restriction, as a treat

src/c3nav/mapdata/migrations/0115_dataoverlay_access_restriction.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.8 on 2024-12-15 14:33
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0114_accessrestrictiongroup_members'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dataoverlay',
+            name='access_restriction',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='mapdata.accessrestriction', verbose_name='Access Restriction'),
+        ),
+    ]

src/c3nav/mapdata/models/overlay.py

@@ -5,13 +5,14 @@ from django.utils.translation import gettext_lazy as _
 from django_pydantic_field import SchemaField
 
 from c3nav.mapdata.fields import GeometryField
+from c3nav.mapdata.models.access import AccessRestrictionMixin
 from c3nav.mapdata.models.base import TitledMixin
 from c3nav.mapdata.models.geometry.base import GeometryMixin
 from c3nav.mapdata.utils.geometry import smart_mapping
 from c3nav.mapdata.utils.json import format_geojson
 
 
-class DataOverlay(TitledMixin, models.Model):
+class DataOverlay(TitledMixin, AccessRestrictionMixin, models.Model):
     description = models.TextField(blank=True, verbose_name=_('Description'))
     stroke_color = models.TextField(blank=True, null=True, verbose_name=_('default stroke color'))
     stroke_width = models.FloatField(blank=True, null=True, verbose_name=_('default stroke width'))