class PriceSerializer(serializers.ModelSerializer):
unit = serializers.StringRelatedField(many=False)
pricetype = serializers.SlugRelatedField(queryset=PriceType.objects.all(), slug_field="name")
class Meta:
model = Price
fields = ["id", "product", "pricetype", "price", "unit", "url"]
extra_kwargs = {
"url": {"view_name": "api:price-detail", "lookup_field": "id"}
}