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Cache quotas on frontpage shortly under very high load

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Raphael Michel
2017-10-18 10:17:23 +02:00
parent a2ba0f8b9f
commit 0f2b56adb4
2 changed files with 5 additions and 1 deletions
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5
src/pretix/presale/views/event.py
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@@ -70,7 +70,8 @@ def get_grouped_items(event, subevent=None):
quotac__gt=0
).order_by('category__position', 'category_id', 'position', 'name')
display_add_to_cart = False
quota_cache = {}
external_quota_cache = event.cache.get('item_quota_cache')
quota_cache = external_quota_cache or {}
if subevent:
item_price_override = subevent.item_price_overrides
@@ -112,6 +113,8 @@ def get_grouped_items(event, subevent=None):
v.display_price.gross for v in item.available_variations])
item._remove = not bool(item.available_variations)
if not external_quota_cache:
event.cache.set('item_quota_cache', quota_cache, 5)
items = [item for item in items
if (len(item.available_variations) > 0 or not item.has_variations) and not item._remove]
return items, display_add_to_cart