Update Invoice if person changes

aleksis/apps/tezor/preferences.py

@@ -32,3 +32,14 @@ class EnablePledge(BooleanPreference):
     verbose_name = _("Enable pledged payments")
     default = False
     required = False
+
+
+@site_preferences_registry.register
+class UpdateOnPersonChange(BooleanPreference):
+    """Update Invoices if person data changes."""
+
+    section = payments
+    name = "update_on_person_change"
+    verbose_name = _("Update Invoices if person data changes")
+    default = True
+    required = False

aleksis/apps/tezor/util/invoice.py

+from django.db.models.signals import pre_save
+from django.dispatch import receiver
+
+from aleksis.core.util.core_helpers import get_site_preferences
+from aleksis.core.models import Person
+
+from ..models.invoice import Invoice
+
 def provider_factory(variant, payment=None):
     from djp_sepa.providers import DirectDebitProvider, PaymentPledgeProvider  # noqa
     from payments.paypal import PaypalProvider  # noqa
@@ -41,3 +49,18 @@ def provider_factory(variant, payment=None):
         )
 
     return KeyError("Provider not found or not configured for client.")
+
+@receiver(post_save, sender=Person)
+def update_on_person_change(sender, **kwargs):
+
+    if Invoice.objects.filter(person=sender, status__in=("waiting", "input", "preauth")).exists() and get_site_preferences()["payments__update_on_person_change"]:
+        Invoice.objects.filter(person=sender).update(
+            billing_email=person.email,
+            billing_first_name=person.first_name,
+            billing_last_name=person.last_name,
+            billing_address_1=f"{person.street} {person.housenumber}",
+            billing_postcode=person.postal_code,
+            billing_city=person.place,
+        )
+    else:
+        pass