1 # -*- encoding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
8 # This program is free software: you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation, either version 3 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 ##############################################################################
23 from osv import fields, osv
24 from mx import DateTime
26 class Invoice(osv.osv):
27 _inherit = 'account.invoice'
29 def _amount_to_pay(self, cursor, user, ids, name, args, context=None):
30 '''Return the amount still to pay regarding all the payment orders'''
34 for invoice in self.browse(cursor, user, ids, context=context):
37 for line in invoice.move_id.line_id:
38 if not line.date_maturity or \
39 DateTime.strptime(line.date_maturity, '%Y-%m-%d') \
41 res[invoice.id] += line.amount_to_pay
45 'amount_to_pay': fields.function(_amount_to_pay, method=True,
46 type='float', string='Amount to be paid',
47 help='The amount which should be paid at the current date\n' \
48 'minus the amount which is already in payment order'),
53 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: