djangoldp-notification/djangoldp_notification/middlewares.py

32 lines
979 B
Python

from django.db.models import signals
MODEL_MODIFICATION_USER_FIELD = 'modification_user'
class CurrentUserMiddleware:
def __init__(self, get_response=None):
self.get_response = get_response
def __call__(self, request):
self.process_request(request)
response = self.get_response(request)
signals.pre_save.disconnect(dispatch_uid=request)
return response
def process_request(self, request):
if request.method in ('GET', 'HEAD', 'OPTION'):
# this request shouldn't update anything
# so no signal handler should be attached
return
if hasattr(request, 'user') and request.user.is_authenticated():
user = request.user
else:
user = None
def _update_users(sender, instance, **kwargs):
setattr(instance, MODEL_MODIFICATION_USER_FIELD, user)
signals.pre_save.connect(_update_users, dispatch_uid=request, weak=False)