Bundle behaviour

src/pretix/base/services/cart.py

@@ -450,7 +450,17 @@ class CartManager:
             if voucher.subevent_id and voucher.subevent_id != p.subevent_id:
                 continue
 
-            price = self._get_price(p.item, p.variation, voucher, None, p.subevent)
+            if p.is_bundled:
+                continue
+
+            bundled_sum = Decimal('0.00')
+            if not p.addon_to_id:
+                for bundledp in p.addons.all():
+                    if bundledp.is_bundled:
+                        bundledprice = bundledp.price
+                        bundled_sum += bundledprice
+
+            price = self._get_price(p.item, p.variation, voucher, None, p.subevent, bundled_sum=bundled_sum)
             if price.gross > p.price:
                 continue
 

src/tests/presale/test_cart.py

@@ -2857,6 +2857,48 @@ class CartBundleTest(CartTestMixin, TestCase):
         assert cp.price == 0
         assert b.price == 40
 
+    @classscope(attr='orga')
+    def test_voucher_apply_multiple(self):
+        cp = CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.ticket,
+            price=21.5, expires=now() + timedelta(minutes=10)
+        )
+        b = CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.trans, addon_to=cp,
+            price=1.5, expires=now() + timedelta(minutes=10), is_bundled=True
+        )
+        v = Voucher.objects.create(
+            event=self.event, price_mode='set', value=Decimal('4.00'), max_usages=100
+        )
+
+        self.cm.apply_voucher(v.code)
+        self.cm.commit()
+        cp.refresh_from_db()
+        b.refresh_from_db()
+        assert cp.price == Decimal('2.50')
+        assert b.price == Decimal('1.50')
+
+    @classscope(attr='orga')
+    def test_voucher_apply_multiple_reduce_beyond_designated_price(self):
+        cp = CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.ticket,
+            price=21.5, expires=now() + timedelta(minutes=10)
+        )
+        b = CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.trans, addon_to=cp,
+            price=1.5, expires=now() + timedelta(minutes=10), is_bundled=True
+        )
+        v = Voucher.objects.create(
+            event=self.event, price_mode='set', value=Decimal('0.00'), max_usages=100
+        )
+
+        self.cm.apply_voucher(v.code)
+        self.cm.commit()
+        cp.refresh_from_db()
+        b.refresh_from_db()
+        assert cp.price == Decimal('0.00')
+        assert b.price == Decimal('1.50')
+
     @classscope(attr='orga')
     def test_extend_base_price_changed(self):
         cp = CartPosition.objects.create(