From d40492748a687d8a09a6681249dbab52a1d412ed Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@pretix.eu>
Date: Mon, 29 Jun 2026 19:02:06 +0200
Subject: [PATCH] Event product list: Hotfix for pathological performance in
 large event series (#6318)

* Event product list: Hotfix for pathological performance

* Stop outputting bullsht numbers to widget
---
 src/pretix/presale/views/event.py  |  4 ++--
 src/pretix/presale/views/widget.py |  2 +-
 src/tests/presale/test_widget.py   | 12 ++++++------
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/pretix/presale/views/event.py b/src/pretix/presale/views/event.py
index 786377e3e3..d235e88afc 100644
--- a/src/pretix/presale/views/event.py
+++ b/src/pretix/presale/views/event.py
@@ -215,7 +215,6 @@ def get_grouped_items(event, *, channel: SalesChannel, subevent=None, voucher=No
         prefetch_var,
         prefetch_bundles,
     ).annotate(
-        quotac=Count('quotas'),
         has_variations=Count('variations'),
         subevent_disabled=Exists(
             SubEventItem.objects.filter(
@@ -235,7 +234,8 @@ def get_grouped_items(event, *, channel: SalesChannel, subevent=None, voucher=No
         ),
         requires_seat=requires_seat,
     ).filter(
-        quotac__gt=0, subevent_disabled=False,
+        Exists(Quota.items.through.objects.filter(quota__subevent_id=subevent, item_id=OuterRef("pk"))),
+        subevent_disabled=False,
     ).order_by('category__position', 'category_id', 'position', 'name')
     if require_seat:
         items = items.filter(requires_seat__gt=0)
diff --git a/src/pretix/presale/views/widget.py b/src/pretix/presale/views/widget.py
index 6a4d4cfd0f..c1faab3878 100644
--- a/src/pretix/presale/views/widget.py
+++ b/src/pretix/presale/views/widget.py
@@ -352,7 +352,7 @@ class WidgetAPIProductList(EventListMixin, View):
                         'picture': get_picture(self.request.event, item.picture, '60x60^') if item.picture else None,
                         'picture_fullsize': get_picture(self.request.event, item.picture) if item.picture else None,
                         'description': str(rich_text(item.description, safelinks=False)) if item.description else None,
-                        'has_variations': item.has_variations,
+                        'has_variations': bool(item.has_variations),
                         'current_unavailability_reason': item.current_unavailability_reason,
                         'order_min': item.min_per_order,
                         'order_max': item.order_max if not item.has_variations else None,
diff --git a/src/tests/presale/test_widget.py b/src/tests/presale/test_widget.py
index 9b338ec915..fbdbd35ca3 100644
--- a/src/tests/presale/test_widget.py
+++ b/src/tests/presale/test_widget.py
@@ -193,7 +193,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                             "suggested_price": {"gross": "23.00", "net": "19.33", "tax": "3.67", "name": "", "rate": "19.00", "includes_mixed_tax_rate": False},
                             "picture": None,
                             "picture_fullsize": None,
-                            "has_variations": 0,
+                            "has_variations": False,
                             "allow_waitinglist": True,
                             "mandatory_priced_addons": False,
                             "description": None,
@@ -214,7 +214,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                             "suggested_price": None,
                             "picture": None,
                             "picture_fullsize": None,
-                            "has_variations": 4,
+                            "has_variations": True,
                             "allow_waitinglist": True,
                             "mandatory_priced_addons": False,
                             "description": None,
@@ -284,7 +284,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                                             "includes_mixed_tax_rate": False},
                         "picture": None,
                         "picture_fullsize": None,
-                        "has_variations": 0,
+                        "has_variations": False,
                         "allow_waitinglist": True,
                         "mandatory_priced_addons": False,
                         "description": None,
@@ -331,7 +331,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                         "suggested_price": None,
                         "picture": None,
                         "picture_fullsize": None,
-                        "has_variations": 4,
+                        "has_variations": True,
                         "allow_waitinglist": True,
                         "mandatory_priced_addons": False,
                         "description": None,
@@ -399,7 +399,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                             "suggested_price": {"gross": "23.00", "net": "19.33", "tax": "3.67", "name": "", "rate": "19.00", "includes_mixed_tax_rate": False},
                             "picture": None,
                             "picture_fullsize": None,
-                            "has_variations": 0,
+                            "has_variations": False,
                             "allow_waitinglist": True,
                             "mandatory_priced_addons": False,
                             "description": None,
@@ -457,7 +457,7 @@ class WidgetCartTest(CartTestMixin, TestCase):
                             'picture': None,
                             "picture_fullsize": None,
                             'description': None,
-                            'has_variations': 2,
+                            'has_variations': True,
                             "allow_waitinglist": True,
                             "mandatory_priced_addons": False,
                             'current_unavailability_reason': None,