fix reverse urls

aleksis/apps/paweljong/models.py

@@ -311,10 +311,10 @@ class EventRegistration(ExtensibleModel):
 
     cost = models.IntegerField(verbose_name=_("Cost in €"), null=True, blank=True)
 
-    def save(self):
+    def save(self, *args, **kwargs):
         if not self.cost:
             self.cost = self.event.cost
-
+        super().save(*args, **kwargs)
 
     def mark_checked_in(self):
         if not self.checked_in:

aleksis/apps/paweljong/views.py

@@ -169,7 +169,7 @@ class EventRegistrationEditView(PermissionRequiredMixin, AdvancedEditView):
     form_class = EditEventRegistrationForm
     permission_required = "paweljong.change_registration_rule"
     template_name = "paweljong/event_registration/edit.html"
-    success_url = reverse_lazy("registrations")
+    success_url = reverse_lazy("index")
     success_message = _("The event registration has been saved.")
 
 
@@ -235,7 +235,7 @@ class EventRegistrationDeleteView(PermissionRequiredMixin, AdvancedDeleteView):
     model = EventRegistration
     permission_required = "paweljong.delete_eventregistration_rule"
     template_name = "core/pages/delete.html"
-    success_url = reverse_lazy("registrations")
+    success_url = reverse_lazy("index")
     success_message = _("The registration has been deleted.")
 
 
@@ -850,7 +850,7 @@ class SendMailFromRegistration(PermissionRequiredMixin, FormView):
     template_name = "paweljong/event_registration/notification.html"
     permission_required = "paweljong.send_notification_mail_rule"
     form_class = RegistrationNotificationForm
-    success_url = reverse_lazy("registrations")
+    success_url = reverse_lazy("index")
 
     def form_valid(self, form):