takahe/users/middleware.py

28 lines
840 B
Python

from django.utils import timezone
from users.models import Identity, User
class IdentityMiddleware:
"""
Adds a request.identity object which is either the current session's
identity, or None if they have not picked one yet/it's invalid.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
identity_id = request.session.get("identity_id")
if not identity_id:
request.identity = None
else:
try:
request.identity = Identity.objects.get(id=identity_id)
User.objects.filter(pk=request.user.pk).update(last_seen=timezone.now())
except Identity.DoesNotExist:
request.identity = None
response = self.get_response(request)
return response