Do not allow to delete vouchers assigned to canceled orders

2018-12-18 09:56:58 +01:00
parent 1edcd47703
commit e11ee4a427
1 changed files with 1 additions and 1 deletions
--- a/src/pretix/base/models/vouchers.py
+++ b/src/pretix/base/models/vouchers.py
@@ -182,7 +182,7 @@ class Voucher(LoggedModel):
        return self.code

    def allow_delete(self):
-        return self.redeemed == 0
+        return self.redeemed == 0 and not self.orderposition_set.exists()

    def clean(self):
        Voucher.clean_item_properties(