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Better usage of cache for groups and clubs related operations (#634)

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* Better usage of cache for group retrieval

* Cache clearing on object deletion or update

* replace signals by save and delete override

* add is_anonymous check in is_owned_by

Add in many is_owned_by(self, user) methods that user is not anonymous. Since many of those functions do db queries, this should reduce a little bit the load of the db.

* Stricter usage of User.is_in_group

Constrain the parameters that can be passed to the function to make sure only a str or an int can be used. Also force to explicitly specify if the group id or the group name is used.

* write test and correct bugs

* remove forgotten populate commands

* Correct test
This commit is contained in:
thomas girod
2023-05-02 12:36:59 +02:00
committed by GitHub
parent 96dede5077
commit ef968f3673
50 changed files with 1315 additions and 699 deletions
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14
core/apps.py
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@ -25,6 +25,7 @@
import sys
from django.apps import AppConfig
from django.core.cache import cache
from django.core.signals import request_started
@ -33,26 +34,17 @@ class SithConfig(AppConfig):
verbose_name = "Core app of the Sith"
def ready(self):
from core.models import User
from club.models import Club
from forum.models import Forum
import core.signals
def clear_cached_groups(**kwargs):
User._group_ids = {}
User._group_name = {}
cache.clear()
def clear_cached_memberships(**kwargs):
User._club_memberships = {}
Club._memberships = {}
Forum._club_memberships = {}
print("Connecting signals!", file=sys.stderr)
request_started.connect(
clear_cached_groups, weak=False, dispatch_uid="clear_cached_groups"
)
request_started.connect(
clear_cached_memberships,
weak=False,
dispatch_uid="clear_cached_memberships",
)
# TODO: there may be a need to add more cache clearing