def populate_from_cart_item(self, cart_item, request):
super(OrderItem, self).populate_from_cart_item(cart_item, request)
# the product's unit_price must be fetched from the product's variant
try:
variant = cart_item.product.get_product_variant(
product_code=cart_item.product_code)
self._unit_price = Decimal(variant.unit_price)
except (KeyError, ObjectDoesNotExist) as e:
raise CartItemModel.DoesNotExist(e)
def populate_from_cart_item(self, cart_item, request):
from .smartphone import SmartPhoneModel
super(OrderItem, self).populate_from_cart_item(cart_item, request)
# the product code and price must be fetched from the product's markedness
try:
if isinstance(cart_item.product, SmartPhoneModel):
product = cart_item.product.get_product_markedness(
cart_item.extra['product_code'])
else:
product = cart_item.product
self.product_code = product.product_code
self._unit_price = Decimal(product.unit_price)
except (KeyError, ObjectDoesNotExist) as e:
raise CartItemModel.DoesNotExist(e)
def populate_from_cart_item(self, cart_item, request):
"""
From a given cart item, populate the current order item.
If the operation was successful, the given item shall be removed from the cart.
If a CartItem.DoesNotExist exception is raised, discard the order item.
"""
if cart_item.quantity == 0:
raise CartItemModel.DoesNotExist("Cart Item is on the Wish List")
self.product = cart_item.product
# for historical integrity, store the product's name and price at the moment of purchase
self.product_name = cart_item.product.product_name
self._unit_price = Decimal(cart_item.product.get_price(request))
self._line_total = Decimal(cart_item.line_total)
self.quantity = cart_item.quantity
self.extra = dict(cart_item.extra)
extra_rows = [(modifier, extra_row.data)
for modifier, extra_row in cart_item.extra_rows.items()]
self.extra.update(rows=extra_rows)