class SubCommentDetailInfoSerializer(serializers.ModelSerializer):
    detail = CommentDetailSerializer()
    author = GuestSerializer()
    reply_to_author = GuestSerializer()

    class Meta:
        list_serializer_class = OrderSubCommentListSerializer
        model = MaterialCommentInfo
        fields = "__all__"
class CommentDetailInfoSerializer(serializers.ModelSerializer):
    detail = CommentDetailSerializer()
    author = GuestSerializer()
    reply_to_author = GuestSerializer()
    sub_comment = SubCommentDetailInfoSerializer(many=True)

    class Meta:
        model = MaterialCommentInfo
        fields = "__all__"