yunfei_monitor/monitor/monitor_app/photo/serializers.py

# coding:utf-8

import datetime
from rest_framework import serializers
from ..models import PhotoForbiddenInfo


class PhotoMonitorListSerializer(serializers.Serializer):
    device_name = serializers.CharField(help_text="设备名称", max_length=50)
    device_id = serializers.CharField(help_text="设备编码", max_length=50)
    photo_num = serializers.IntegerField(help_text="拍照数量", default=0)
    msg_info = serializers.CharField(help_text="描述信息")
    create_time = serializers.DateTimeField(help_text="封禁时间", default="2021-01-01 11:21:32")

    def to_representation(self, instance):
        return {
            'id': instance.id,
            'device_name': instance.device_name,
            'device_id': instance.device_id,
            'photo_num': instance.photo_num,
            'msg_info': instance.msg_info,
            'create_time': instance.create_time.strftime('%Y-%m-%d %H:%M:%S')
        }


class PhotoMonitorPostSerializer(serializers.Serializer):
    device_id = serializers.CharField(help_text="设备编码", max_length=50)

    def validate_device_id(self, value):
        queryset = PhotoForbiddenInfo.objects.using('siqing').filter(is_allowrd=1, device_id=value).order_by('-id')
        if not queryset:
            serializers.ValidationError('设备不存在')