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# -*- coding: utf-8 -*-
# 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 openerp import api, fields, models
import openerp.addons.decimal_precision as dp
class PosOrder(models.Model):
_inherit = 'pos.order'
# Columns Section
margin = fields.Float(
'Margin', compute='_compute_margin', store=True,
digits_compute=dp.get_precision('Product Price'),
help="It gives profitability by calculating the difference between"
" the Unit Price and the cost price.")
# Compute Section
@api.multi
@api.depends('lines.margin')
def _compute_margin(self):
for order in self:
order.margin = sum(order.mapped('lines.margin'))