from rest_framework import serializers from .models import Product class ProductSerializer(serializers.HyperlinkedModelSerializer): date_added = serializers.DateTimeField( format="%d-%m-%Y %I:%M%p", read_only=True) quantity = serializers.IntegerField(required=False, default=0) class Meta: model = Product fields = ('id', 'name', 'quantity', 'date_added') read_only_fields = ('id', 'date_added')