eiru_dashboard_salesman_objective/models/salesman_objective.py

# -*- coding: utf-8 -*-
from openerp import models, fields, api

class DashboardObjective(models.Model):
    _name = 'salesman.objective'


    user_id = fields.Many2one('res.users', string='Vendedor')
    store_id = fields.Many2one('res.store', string='Sucursal')
    date = fields.Date("Fecha")
    sale_objective = fields.Float(string="Objetivo de Ventas")

    @api.onchange('user_id')
    def onchange_user_id(self):
        res = {}
        user = self.env['res.users'].search([('id','=', self.user_id.id)])
        self.store_id = user.store_id.id
        res = {'value' :{'store_id': self.store_id}}
        return res