def calculate(self, basket):
if self.currency == basket.currency:
return super().calculate(basket)
# If basket currency differs from shipping method's currency,
# we convert shipping costs to user-selected currency.
charge_excl_tax = convert_currency(self.currency, basket.currency,
self.charge_excl_tax)
charge_incl_tax = convert_currency(self.currency, basket.currency,
self.charge_incl_tax)
return prices.Price(currency=self.currency,
excl_tax=charge_excl_tax,
incl_tax=charge_incl_tax)
def _record_user_order(user, order):
try:
# Since all orders are stored in user-selected currency, for
# consistency we need to record user analytics in default currency.
# User might select different currency for different orders,
# also in order to aggregate analytics we'll need to have data in
# the same currency.
record = UserRecord.objects.filter(user=user)
if order.currency == settings.OSCAR_DEFAULT_CURRENCY:
total_spent = order.total_incl_tax
else:
total_spent = convert_currency(order.currency,
settings.OSCAR_DEFAULT_CURRENCY,
order.total_incl_tax)
affected = record.update(
num_orders=F('num_orders') + 1,
num_order_lines=F('num_order_lines') + order.num_lines,
num_order_items=F('num_order_items') + order.num_items,
total_spent=F('total_spent') + total_spent,
date_last_order=order.date_placed)
if not affected:
UserRecord.objects.create(user=user,
num_orders=1,
num_order_lines=order.num_lines,
num_order_items=order.num_items,
total_spent=total_spent,
date_last_order=order.date_placed)
except IntegrityError: # pragma: no cover
logger.error(
"IntegrityError in analytics when recording a user order.")
def create_discount_model(self, order, discount):
offer = discount['offer']
benefit = offer.benefit
if benefit.currency != settings.OSCAR_DEFAULT_CURRENCY:
amount = discount['discount']
discount['discount'] = convert_currency(
benefit.currency, settings.OSCAR_DEFAULT_CURRENCY, amount)
super().create_discount_model(order, discount)
def get_benefit_value(self, basket):
if self.currency != basket.currency:
return convert_currency(self.currency, basket.currency, self.value)
return self.value
def apply(self, basket, condition, offer, **kwargs):
if basket.currency != self.currency:
discount_amount = kwargs.get('discount_amount', self.value)
kwargs['discount_amount'] = convert_currency(
self.currency, basket.currency, discount_amount)
return super().apply(basket, condition, offer, **kwargs)
def convert_currency(self, stockrecord, prices):
currency = self.get_currency()
price_excl_tax = convert_currency(stockrecord.price_currency, currency, prices.excl_tax)
return FixedPrice(excl_tax=price_excl_tax, currency=currency, tax=D(0))
def convert_to_default_currency(self, property_name):
value = getattr(self, property_name, '')
if not self.is_in_default_currency and value:
return convert_currency(self.currency,
settings.OSCAR_DEFAULT_CURRENCY, value)
return value