from rest_framework import serializers
from .models import Place

class PlaceSerializer(serializers.ModelSerializer):
    children = serializers.SerializerMethodField()

    class Meta:
        model = Place
        fields = ['id', 'name', 'lng', 'lat', 'parent', 'children']

    def get_children(self, obj):
        queryset = obj.children.all()
        return PlaceSerializer(queryset, many=True).data