我希望管理员在删除某些对象时收到通知,但我也想确定哪个用户正在执行删除。
有可能吗?
这是代码:
# models.py
# signal to notify admins when nodes are deleted
from django.db.models.signals import post_delete
from settings import DEBUG
def notify_on_delete(sender, instance, using, **kwargs):
''' Notify admins when nodes are deleted. Only for production use '''
if DEBUG:
#return False
pass
# prepare context
context = {
'node': instance,
'site': SITE
}
# notify admins that want to receive notifications
notify_admins(instance, 'email_notifications/node-deleted-admin_subject.txt', 'email_notifications/node-deleted-admin_body.txt', context, skip=False)
post_delete.connect(notify_on_delete, sender=Node)
答案 0 :(得分:6)
我怀疑是否有可能使用内置信号(没有User
隐含地绑定到delete
操作,并且因为Django的loose coupling数据库层没有处理HttpRequest
个对象)。我会创建自己的信号,提供user
参数,并以删除操作发生的任何视图发送它,如:
# myapp/signals.py
from django.dispatch import Signal
my_post_delete = Signal(providing_args=['instance', 'user'])
# myapp/models.py
from myapp.signals import my_post_delete
...
my_post_delete.connect(notify_on_delete, sender=Node)
# myapp/views.py
from myapp.signals import my_post_delete
...
@login_required
def my_delete_view(request, ...)
...
instance = Node.objects.get(...)
instance.delete()
my_post_delete.send(sender=Node, instance=instance, user=request.user)