Use payment choices from InvoiceGroup

aleksis/apps/paweljong/forms.py

@@ -8,7 +8,7 @@ from django_select2.forms import ModelSelect2MultipleWidget, ModelSelect2Widget
 from material import Fieldset, Layout, Row
 from phonenumber_field.formfields import PhoneNumberField
 
-from aleksis.apps.tezor.models.invoice import Invoice
+from aleksis.apps.tezor.models.invoice import InvoiceGroup
 from aleksis.core.mixins import ExtensibleForm
 from aleksis.core.models import Group, Person
 
@@ -339,7 +339,6 @@ class RegisterEventFinancial(ExtensibleForm):
     )
 
     payment_method = forms.ChoiceField(
-        choices=Invoice.get_variant_choices(),
         label=_("Payment method"),
         help_text=_(
             "Please choose a payment method. "
@@ -347,6 +346,12 @@ class RegisterEventFinancial(ExtensibleForm):
         ),
     )
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(self, *args, **kwargs)
+
+        self.fields["payment_method"].choices = InvoiceGroup.objects.get(name="Hack'n'Fun-Veranstaltungen").get_variant_choices()
+
+
     class Meta:
         model = EventRegistration
         fields = ["voucher_code", "donation"]