models.py 文件源码

def remove_participant(self, request, participant):
        removable_participants_ids = self.get_removable_participants_ids(request)
        if participant.id in removable_participants_ids:
            participation = Participation.objects.get(participant=participant, thread=self, date_left=None)
            participation.date_left = now()
            participation.save()
            post_save.send(Thread, instance=self, created=False, remove_participant=True, removed_participant=participant, request_participant_id=request.rest_messaging_participant.id)
            return participation
        else:
            raise Exception('The participant may not be removed.')