✨ Set donor subscriber to null when newsletter unsubscribe

fragdenstaat_de/fds_donation/apps.py

@@ -2,6 +2,8 @@
 from django.urls import reverse_lazy
 from django.utils.translation import gettext_lazy as _
 
+from fragdenstaat_de.fds_newsletter import unsubscribed
+
 
 class FdsDonationConfig(AppConfig):
     name = "fragdenstaat_de.fds_donation"
@@ -24,6 +26,7 @@ def ready(self):
             export_user_data,
             merge_user,
             payment_status_changed,
+            remove_newsletter_subscriber,
             sepa_payment_processing,
             subscription_was_canceled,
             user_email_changed,
@@ -35,6 +38,7 @@ def ready(self):
         account_canceled.connect(cancel_user)
         account_email_changed.connect(user_email_changed)
         account_merged.connect(merge_user)
+        unsubscribed.connect(remove_newsletter_subscriber)
         registry.register(export_user_data)
 
         from froide.account.menu import MenuItem, menu_registry

fragdenstaat_de/fds_donation/listeners.py

@@ -5,6 +5,8 @@
 from django.db import transaction
 from django.utils import timezone
 
+from fragdenstaat_de.fds_newsletter.models import Subscriber
+
 from froide_payment.models import PaymentStatus
 
 from .models import Donation, Donor
@@ -171,3 +173,7 @@ def export_user_data(user):
             ]
         ),
     )
+
+
+def remove_newsletter_subscriber(sender: Subscriber, **kwargs):
+    Donor.objects.filter(subscriber=sender).update(subscriber=None)