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# Copyright (C) 2017 - Today: GRAP (http://www.grap.coop)
# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from odoo import api, fields, models
import odoo.addons.decimal_precision as dp
class PosOrderLine(models.Model):
_inherit = 'pos.order.line'
# Columns Section
margin = fields.Float(
'Margin', compute='_compute_multi_margin', store=True,
multi='multi_margin', digits=dp.get_precision('Product Price'))
purchase_price = fields.Float(
'Cost Price', compute='_compute_multi_margin', store=True,
multi='multi_margin', digits=dp.get_precision('Product Price'))
# Compute Section
@api.multi
@api.depends('product_id', 'qty', 'price_subtotal')
def _compute_multi_margin(self):
for line in self.filtered('product_id'):
purchase_price = self._get_purchase_price(line)
line.purchase_price = purchase_price
line.margin = line.price_subtotal - (purchase_price * line.qty)
@api.model
def _get_purchase_price(self, line):
# We call _get_purchase_price from sale_margin module, to reuse
# computation that handles multi currencies context and UoM
SaleOrderLine = self.env['sale.order.line']
# if used in combination with module which does add the uom_id to line
uom = hasattr(line, 'uom_id') and line.uom_id\
or line.product_id.uom_id
return SaleOrderLine._get_purchase_price(
line.order_id.pricelist_id, line.product_id, uom,
line.order_id.date_order)['purchase_price']