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sas: add cache on Picture permissions to avoid hitting the bdd too much

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This commit is contained in:
Antoine Bartuccio 2019-09-16 02:14:57 +02:00
parent b8ad2d4835
commit 298499c749
Signed by: klmp200
GPG Key ID: E7245548C53F904B
1 changed files with 10 additions and 1 deletions
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11
sas/models.py
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@ -24,6 +24,7 @@
from django.db import models
from django.core.urlresolvers import reverse
from django.core.cache import cache
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from django.utils import timezone
@ -75,7 +76,15 @@ class Picture(SithFile):
def can_be_viewed_by(self, user):
# SAS pictures are visible to old subscribers
return self.is_in_sas and self.is_moderated and user.was_subscribed
# Result is cached 4s for this user
if user.is_anonymous:
return False
perm = cache.get("%d_can_view_pictures" % (user.id), False)
if perm:
return perm
perm = self.is_in_sas and self.is_moderated and user.was_subscribed
cache.set("%d_can_view_pictures" % (user.id), perm, timeout=4)
return perm
def get_download_url(self):
return reverse("sas:download", kwargs={"picture_id": self.id})