28 lines
956 B
Python
28 lines
956 B
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from decimal import Decimal
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from trytond.pool import PoolMeta
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class Sale(metaclass=PoolMeta):
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__name__ = 'sale.sale'
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def _get_carrier_context(self, carrier):
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context = super()._get_carrier_context(carrier)
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if carrier.carrier_cost_method != 'percentage':
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return context
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if not self.currency:
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return context
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context = context.copy()
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amount = 0
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for line in self.lines or []:
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if (getattr(line, 'unit_price', None)
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and (getattr(line, 'quantity') or 0) > 0
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and not getattr(line, 'shipment_cost', None)):
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amount += line.unit_price * Decimal(str(line.quantity))
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context['amount'] = amount
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context['currency'] = self.currency.id
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return context
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