from rest_framework import serializers from .models import Enterprise,EnterpriseAddress from apps.system.serializers import DictSerializer class EnterpriseAddressSerializer(serializers.ModelSerializer): class Meta: model = EnterpriseAddress fields = '__all__' class EnterpriseListSerializer(serializers.ModelSerializer): type = DictSerializer() economy_class = DictSerializer() class Meta: model = Enterprise fields = ['id','query_code', 'code', 'name','ename','type','legal','build_time','person_count','ceramics_output','gassets','linkman1_name','linkman1_tel','linkman1_mobile','country_code','parent','credit_code','professional','all_person','economy_class','economy_type','linkman1_duty','business_type'] @staticmethod def setup_eager_loading(queryset): """ Perform necessary eager loading of data. """ queryset = queryset.select_related('type','economy_class') queryset = queryset.prefetch_related('enterpriseaddress_enterprise',) return queryset class EnterpriseSerializer(serializers.ModelSerializer): address_ = EnterpriseAddressSerializer(source='enterpriseaddress_enterprise', many=True) class Meta: model = Enterprise fields = '__all__' def setup_eager_loading(queryset): """ Perform necessary eager loading of data. """ # queryset = queryset.select_related('type','economy_class') queryset = queryset.prefetch_related('enterpriseaddress_enterprise',) return queryset