serializers.py 文件源码

def create(self, validated_data):
        new_event = validated_data.pop('event', None)
        existing_event = validated_data.pop('event_id', None)
        if not existing_event:
            if not new_event:
                raise ValidationError({
                    'event': 'You must have a new event or event_id attached to this associated event.'
                })
            else:
                existing_event = EventSerializer().create(new_event)
        associated_event = AssociatedEvent(
            event=existing_event,
            receiving_person=validated_data.get('receiving_person_id'),
            creating_person=self.context['user'].person
        )
        associated_event.save()
        return associated_event