sale_mrp_link/models/sale_order.py

# -*- encoding: utf-8 -*-
#################################################################################
#                                                                               #
#    product_genre for OpenERP                                                  #
#    Author: Victor Obrist                                                      #
#    contact: victor@paraguayenlaweb.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 api, fields, models

class SaleOrder(models.Model):
    _inherit = 'sale.order'

    production_count = fields.Integer(
        compute='_compute_production_count')

    @api.multi
    def _compute_production_count(self):
        mrp_production_model = self.env['mrp.production']
        for sale in self:
            domain = [('sale_order_id', '=', sale.id)]
            sale.production_count = mrp_production_model.search_count(domain)

    @api.multi
    def action_view_production(self):
        action = self.env.ref('mrp.mrp_production_action').read()[0]
        productions = self.env['mrp.production'].search(
            [('sale_order_id', 'in', self.ids)])
        if len(productions) > 1:
            action['domain'] = [('id', 'in', productions.ids)]
        else:
            action['views'] = [
                (self.env.ref('mrp.mrp_production_form_view').id, 'form')]
            action['res_id'] = productions.id
        return action