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optimize User.is_subscribed and User.was_subscribed

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This commit is contained in:
imperosol 2024-11-20 17:25:39 +01:00
parent 7ca1afe529
commit e3fe5bd4f3
1 changed files with 10 additions and 3 deletions
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13
core/models.py
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@ -387,14 +387,21 @@ class User(AbstractUser):
@cached_property
def was_subscribed(self) -> bool:
if "is_subscribed" in self.__dict__ and self.is_subscribed:
# if the user is currently subscribed, he is an old subscriber too
# if the property has already been cached, avoid another request
return True
return self.subscriptions.exists()
@cached_property
def is_subscribed(self) -> bool:
s = self.subscriptions.filter(
if "was_subscribed" in self.__dict__ and not self.was_subscribed:
# if the user never subscribed, he cannot be a subscriber now.
# if the property has already been cached, avoid another request
return False
return self.subscriptions.filter(
subscription_start__lte=timezone.now(), subscription_end__gte=timezone.now()
)
return s.exists()
).exists()
@cached_property
def account_balance(self):