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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.db import models
from django.core.urlresolvers import reverse from django.core.urlresolvers import reverse
from django.core.cache import cache
from django.conf import settings from django.conf import settings
from django.utils.translation import ugettext_lazy as _ from django.utils.translation import ugettext_lazy as _
from django.utils import timezone from django.utils import timezone
@ -75,7 +76,15 @@ class Picture(SithFile):
def can_be_viewed_by(self, user): def can_be_viewed_by(self, user):
# SAS pictures are visible to old subscribers # 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): def get_download_url(self):
return reverse("sas:download", kwargs={"picture_id": self.id}) return reverse("sas:download", kwargs={"picture_id": self.id})