26 lines
994 B
Python
26 lines
994 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 trytond.model import fields
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from trytond.pool import PoolMeta, Pool
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from trytond.modules.product import price_digits
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class Product(metaclass=PoolMeta):
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__name__ = 'product.product'
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last_cost = fields.Function(fields.Numeric('Last Cost', digits=price_digits,
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help='Last purchase price'), 'get_last_cost')
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def get_last_cost(self, name=None):
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res = self.cost_price
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InvoiceLine = Pool().get('account.invoice.line')
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products = InvoiceLine.search_read([
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('product', '=', self.id),
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('invoice.state', 'in', ['posted', 'paid', 'validated']),
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('invoice.type', '=', 'in'),
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], fields_names=['unit_price'], order=[
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('invoice.invoice_date', 'DESC')],
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limit=1)
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if products:
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res = products[0]['unit_price']
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return res
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