decorate/apps/order/serializers.py

# coding=utf-8
from rest_framework import serializers
from .models import Order
from utils.booleancharfield import TimeCharField


class OrderSerializer(serializers.ModelSerializer):
    service_user_text = serializers.CharField(source='service_user.name', read_only=True)
    create_time_f = TimeCharField(source='create_time', read_only=True)

    name = serializers.CharField(source='customer.name', read_only=True)
    tel = serializers.CharField(source='customer.tel', read_only=True)
    village = serializers.CharField(source='customer.village', read_only=True)
    address = serializers.CharField(source='customer.address', read_only=True)
    stage_progress_text = serializers.CharField(source='customer.stage_progress.name', read_only=True)
    project_text = serializers.SerializerMethodField()

    def get_project_text(self, obj):
        project = obj.customer.project.all()
        return ','.join(project.values_list('name', flat=True))

    class Meta:
        model = Order
        fields = '__all__'