SpecialTransactionProxy are force-saved

apps/treasury/apps.py

@@ -28,6 +28,8 @@ class TreasuryConfig(AppConfig):
                     source__in=NoteSpecial.objects.filter(~Q(remittancetype=None)),
                     specialtransactionproxy=None,
             ):
-                SpecialTransactionProxy.objects.create(transaction=transaction, remittance=None)
+                proxy = SpecialTransactionProxy(transaction=transaction, remittance=None)
+                proxy._force_save = True
+                proxy.save()
 
         post_migrate.connect(setup_specialtransactions_proxies, sender=SpecialTransactionProxy)

apps/treasury/signals.py

@@ -10,9 +10,8 @@ def save_special_transaction(instance, created, **kwargs):
     """
 
     if not hasattr(instance, "_no_signal"):
-        if instance.is_credit():
-            if created and RemittanceType.objects.filter(note=instance.source).exists():
-                SpecialTransactionProxy.objects.create(transaction=instance, remittance=None).save()
-        else:
-            if created and RemittanceType.objects.filter(note=instance.destination).exists():
-                SpecialTransactionProxy.objects.create(transaction=instance, remittance=None).save()
+        if created and RemittanceType.objects.filter(
+                note=instance.source if instance.is_credit() else instance.destination).exists():
+            proxy = SpecialTransactionProxy(transaction=instance, remittance=None)
+            proxy._force_save = True
+            proxy.save()