# -*- encoding: utf-8 -*-
##############################################################################
#
#    Purchase Partner Invoice Method for Odoo
#    Copyright (C) 2014 Akretion (http://www.akretion.com)
#    @author Alexis de Lattre <alexis.delattre@akretion.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

from openerp import models, fields, api


class ResPartner(models.Model):
    _inherit = 'res.partner'

    supplier_invoice_method = fields.Selection([
        ('manual', 'Based on Purchase Order lines'),
        ('order', 'Based on generated draft invoice'),
        ('picking', 'Based on incoming shipments')
        ],
        string='Supplier Invoicing Control', company_dependent=True,
        help='Select the default invoicing control for the purchase orders '
        'of this supplier')

    @api.model
    def _commercial_fields(self):
        res = super(ResPartner, self)._commercial_fields()
        res += ['supplier_invoice_method']
        return res