Fix dumb data model error from dumb me

dds_registration/migrations/0005_alter_event_refund_last_day_alter_membership_payment_and_more.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.0.3 on 2024-04-08 20:44
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dds_registration', '0004_membership_mailing_list'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='event',
+            name='refund_last_day',
+            field=models.DateField(blank=True, help_text='Last day that a fee refund can be offered', null=True),
+        ),
+        migrations.AlterField(
+            model_name='membership',
+            name='payment',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='dds_registration.payment'),
+        ),
+        migrations.AlterField(
+            model_name='registration',
+            name='option',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='registrations', to='dds_registration.registrationoption'),
+        ),
+        migrations.AlterField(
+            model_name='registration',
+            name='payment',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='dds_registration.payment'),
+        ),
+    ]

dds_registration/models.py

@@ -498,7 +498,7 @@ class Registration(Model):
     payment = models.OneToOneField(Payment, on_delete=models.SET_NULL, null=True, blank=True)
     event = models.ForeignKey(Event, related_name="registrations", on_delete=models.CASCADE)
     user = models.ForeignKey(User, related_name="registrations", on_delete=models.CASCADE)
-    option = models.OneToOneField(RegistrationOption, on_delete=models.CASCADE)
+    option = models.ForeignKey(RegistrationOption, on_delete=models.CASCADE, related_name="registrations")
     status = models.TextField(choices=REGISTRATION_STATUS)
     send_update_emails = models.BooleanField(default=False)