Refs #634 -- Re-allow deleting the last subevent and fix UI crashes

2018-04-13 10:14:54 +02:00
parent fd9f521c60
commit b2721db8e0
4 changed files with 20 additions and 17 deletions
--- a/src/pretix/base/models/event.py
+++ b/src/pretix/base/models/event.py
@@ -660,7 +660,7 @@ class SubEvent(EventMixin, LoggedModel):
        return self.event.currency

    def allow_delete(self):
-        return self.event.subevents.count() > 1
+        return not self.orderposition_set.exists()

    def delete(self, *args, **kwargs):
        super().delete(*args, **kwargs)