def update_order_info(cls, cart, due, shipping_charges=0.0, applied_discount=0.0,
shipment_info=NoDefault,
bill=NoDefault, bill_info=NoDefault, notes=NoDefault, message=NoDefault, **details):
cart.order_info.due = due
cart.order_info.shipping_charges = shipping_charges
cart.order_info.applied_discount = applied_discount
cart.order_info.currencies = {'due': with_currency.float2cur(due),
'shipping_charges': with_currency.float2cur(shipping_charges),
'applied_discount': with_currency.float2cur(applied_discount)}
if shipment_info is not NoDefault:
cart.order_info.shipment_info.update(shipment_info)
if bill is not NoDefault:
cart.order_info.bill = bill
if bill_info is not NoDefault:
for k, v in bill_info.iteritems():
setattr(cart.order_info.bill_info, k, v)
if notes is not NoDefault:
cart.order_info.notes = notes
if message is not NoDefault:
cart.order_info.message = message
if details is not {}:
for k, v in details.iteritems():
setattr(cart.order_info.details, k, v)
def net_per_vat_rate(self):
def _item_discount_fraction(item, total):
discount_chunk = self.applied_discount / total
return int(item.gross_price * discount_chunk * 100)
mapping = {}
sorted_items = sorted(self.items, key=lambda i: i['rate'])
for k, g in groupby(sorted_items, key=lambda i: i['rate']):
mapping[k] = sum(imap(lambda i: (with_currency.float2cur(i.gross_price) + _item_discount_fraction(i, self.gross_total)) * i.qty, g))
if self.currencies.due:
# If we have currency values available, fix the rounding error
current_total = sum(mapping.itervalues())
expected_total = self.currencies.due - self.currencies.shipping_charges
delta = expected_total - current_total
mapping[sorted_items[-1]['rate']] += delta
# Convert everything back to floats for visualization
for k, g in mapping.iteritems():
mapping[k] = with_currency.cur2float(g)
return mapping
