def post(self, request, product_unit_id, quantity=None):
# check product unit availability if not return error or exeption
requestCart = Cart(request=request)
requestCart.add_to_cart(product_unit_id, quantity or 1)
return Response({
'cart':
requestCart.cart,
'messages':
getattr(requestCart, 'availability_message', ''),
'total_price':
requestCart.get_total_price()
})
