product_uom_change_fix/models/product.py

# -*- encoding: utf-8 -*-
##############################################################################
#
#    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 General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see http://www.gnu.org/licenses/.
#
##############################################################################

from openerp import models, api


class ProductTemplate(models.Model):
    _inherit = 'product.template'

    @api.multi
    def write(self, vals):
        res = {}
        for product_tmpl in self:
            write_vals = {}
            if 'uom_po_id' in vals:
                write_vals['uom_po_id'] = vals.pop("uom_po_id", None)
                write_vals['uom_id'] = vals.pop("uom_id", None)
            if vals:
                res = super(ProductTemplate, self).write(vals)
            if write_vals:
                product_obj = self.env['product.product']
                st_mv_obj = self.env['stock.move']
                product_lst = product_obj.search([('product_tmpl_id', '=',
                                                   product_tmpl.id)])
                if not st_mv_obj.search([('product_id', 'in',
                                          product_lst.ids)]):
                    models.Model.write(self, write_vals)
                else:
                    res = super(ProductTemplate, self).write(write_vals)
            return res