44 lines
2.0 KiB
Python
44 lines
2.0 KiB
Python
# Copyright (c) 2015 Ansible, Inc.
|
|
# All Rights Reserved.
|
|
|
|
from django.db.models.signals import pre_save, post_save, pre_delete, m2m_changed
|
|
|
|
|
|
class ActivityStreamRegistrar(object):
|
|
|
|
def __init__(self):
|
|
self.models = []
|
|
|
|
def connect(self, model):
|
|
# Always register model; the signal handlers will check if activity stream is enabled.
|
|
from awx.main.signals import activity_stream_create, activity_stream_update, activity_stream_delete, activity_stream_associate
|
|
|
|
if model not in self.models:
|
|
self.models.append(model)
|
|
post_save.connect(activity_stream_create, sender=model, dispatch_uid=str(self.__class__) + str(model) + "_create")
|
|
pre_save.connect(activity_stream_update, sender=model, dispatch_uid=str(self.__class__) + str(model) + "_update")
|
|
pre_delete.connect(activity_stream_delete, sender=model, dispatch_uid=str(self.__class__) + str(model) + "_delete")
|
|
|
|
for m2mfield in model._meta.many_to_many:
|
|
try:
|
|
m2m_attr = getattr(model, m2mfield.name)
|
|
m2m_changed.connect(activity_stream_associate, sender=m2m_attr.through,
|
|
dispatch_uid=str(self.__class__) + str(m2m_attr.through) + "_associate")
|
|
except AttributeError:
|
|
pass
|
|
|
|
def disconnect(self, model):
|
|
if model in self.models:
|
|
post_save.disconnect(dispatch_uid=str(self.__class__) + str(model) + "_create")
|
|
pre_save.disconnect(dispatch_uid=str(self.__class__) + str(model) + "_update")
|
|
pre_delete.disconnect(dispatch_uid=str(self.__class__) + str(model) + "_delete")
|
|
self.models.pop(model)
|
|
|
|
|
|
for m2mfield in model._meta.many_to_many:
|
|
m2m_attr = getattr(model, m2mfield.name)
|
|
m2m_changed.disconnect(dispatch_uid=str(self.__class__) + str(m2m_attr.through) + "_associate")
|
|
|
|
|
|
activity_stream_registrar = ActivityStreamRegistrar()
|