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add prefetching, add test cases checking number of queries

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Mira Weller
2024-07-25 14:37:19 +02:00
parent 5087e654e2
commit 9337ad1f70
2 changed files with 178 additions and 4 deletions
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4
src/pretix/base/services/cross_selling.py
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@@ -74,7 +74,7 @@ class CrossSellingService:
(c, products_qs, discount_info) for (c, products_qs, discount_info) in
(
(c, *self._get_visible_items_for_category(c))
for c in self.event.categories.filter(cross_selling_mode__isnull=False)
for c in self.event.categories.filter(cross_selling_mode__isnull=False).prefetch_related('items')
)
if products_qs is not None
]
@@ -96,7 +96,7 @@ class CrossSellingService:
match = set(match.pk for match in category.cross_selling_match_products.only('pk')) # TODO prefetch this
return (category.items.all(), {}) if any(pos.item.pk in match for pos in self.cartpositions) else (None, {})
if category.cross_selling_condition == 'discounts':
my_item_pks = category.items.values_list('pk', flat=True)
my_item_pks = [item.id for item in category.items.all()] #category.items.values_list('pk', flat=True)
potential_discount_items = {
item.pk: (max_count, discount_rule)
for item, max_count, discount_rule in self._potential_discounts_by_item_for_current_cart