from utils import serializer
from rest_framework import serializers

from .models import *
from apps.project.models import CertApp
from apps.system.serializers import DictSimpleSerializer, UserSimpleSerializer

class CertappSerializerX(serializers.ModelSerializer):
    cert_field_ = DictSimpleSerializer(source='cert_field', read_only=True)
    cccpv_class_ = DictSimpleSerializer(source='cccpv_class' , read_only=True)
    cnas_scopes_ = DictSimpleSerializer(source='cnas_scopes', many=True , read_only=True)
    create_by_ = UserSimpleSerializer(source='create_by', read_only=True)
    accept_by_ = UserSimpleSerializer(source='accept_by', read_only=True)
    class Meta:
        model = CertApp
        fields = '__all__'
    
    @staticmethod
    def setup_eager_loading(queryset):
        """ Perform necessary eager loading of data. """
        queryset = queryset.select_related('cert_field', 'cccpv_class', 'create_by', 'accept_by')
        queryset = queryset.prefetch_related('cnas_scopes', 'member_certapp')
        return queryset