Fix migrations

aleksis/apps/paweljong/migrations/0018_payment_with_tezor.py

@@ -4,11 +4,28 @@ from django.db import migrations, models
 
 from payments import PaymentStatus
 
-def move_additional_fields(apps, schema_editor):
+def create_invoices(apps, schema_editor):
     Person = apps.get_model("core", "Person")
     EventRegistration = apps.get_model("paweljong", "EventRegistration")
     SEPAMandate = apps.get_model("djp_sepa", "SEPAMandate")
 
+    from aleksis.apps.paweljong.models import EventRegistration as RealEventRegistration
+
+    EventRegistration.get_invoice = RealEventRegistration.get_invoice
+    EventRegistration._get_total_amount = RealEventRegistration._get_total_amount
+    EventRegistration.get_purchased_items = RealEventRegistration.get_purchased_items
+    Person.addressing_name = property(lambda p: p.first_name + " " + p.last_name)
+
+    for registration in EventRegistration._base_manager.all():
+        invoice = registration.get_invoice()
+        invoice.status = PaymentStatus.PREAUTH
+        if registration.accept_sepa:
+            invoice.variant = "sdd"
+            SEPAMandate.objects.create(payment_id=invoice.pk, account_holder=f"{registration.person.addressing_name}", iban=registration.iban, bic="XXXXXXXXXXX", date=registration.date_registered)
+        else:
+            invoice.variant = "pledge"
+        invoice.save()
+
 
 class Migration(migrations.Migration):
 
@@ -18,7 +35,7 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(move_additional_fields),
+        migrations.RunPython(create_invoices),
         migrations.RemoveField(
             model_name='eventregistration',
             name='accept_sepa',