bookshop_admin/apps/order/serializers.py

# coding=utf-8
import datetime
from rest_framework import serializers
from .models import *
from django.conf import settings
from utils.booleancharfield import PriceShowCharField
from apps.base import Formater

class OrderSerializer(serializers.ModelSerializer):
    payment_name = serializers.CharField(source='get_payment_display', read_only=True)
    create_user_text = serializers.CharField(source='create_user.username', read_only=True)
    commodity_text = serializers.CharField(source='name', read_only=True)
    student_text = serializers.CharField(source='student.name', read_only=True)
    school_text = serializers.CharField(source='student.school.name', read_only=True)
    grade_text = serializers.CharField(source='student.classes.grade.name', read_only=True)
    class_text = serializers.CharField(source='student.classes.name', read_only=True)
    # create_time_f = serializers.DateTimeField(source='create_time', format=settings.SHORT_DATETIME_FORMAT,
    #                                           read_only=True)
    status_text = serializers.CharField(source='get_status_display', read_only=True)

    total_amount = PriceShowCharField(read_only=True)
    balance_deduction = PriceShowCharField(read_only=True)
    actual_amount = PriceShowCharField(read_only=True)
    class Meta:
        model = Order
        fields = '__all__'

    def create(self, validated_data):
        validated_data['create_user'] = self.context['request'].user
        instance = super(OrderSerializer, self).create(validated_data)
        instance.no = instance.get_no()
        instance.save()
        return instance