Payment step

src/pretix/base/models/organizer.py

@@ -82,6 +82,14 @@ class Organizer(LoggedModel):
 
         return ObjectRelatedCache(self)
 
+    @property
+    def has_gift_cards(self):
+        return self.cache.get_or_set(
+            key='has_gift_cards',
+            timeout=15,
+            default=lambda: self.issued_gift_cards.exists() or self.gift_card_issuer_acceptance.exists()
+        )
+
     def allow_delete(self):
         from . import Order, Invoice
         return (

src/pretix/base/payment.py

@@ -892,7 +892,6 @@ class GiftCardPayment(BasePaymentProvider):
     is_enabled = True
     identifier = "giftcard"
     verbose_name = _("Gift card")
-    is_implicit = True
 
     def is_allowed(self, request: HttpRequest, total: Decimal=None) -> bool:
         return False