eiru_service/models/project_service_commission.py

# -*- coding: utf-8 -*-
from openerp import fields, models, api
from openerp.exceptions import Warning as UserError

class ProjectServiceCommission(models.Model):
    _name = 'project.service.commission'

    name = fields.Char(string='Nombre', compute="_get_commission_name", required=True)
    task_id = fields.Many2one('project.service.task', string='Tarea', required=True)
    activity_id = fields.Many2one('project.service.activity', string='Trabajo', required=True)
    user_id = fields.Many2one('res.users', string='Funcionario', required=True)
    amount = fields.Float(string='Commission', required=True)

    @api.one
    @api.depends('activity_id','user_id')
    def _get_commission_name(self):
        self.name = self.activity_id.name + ' / ' +  self.user_id.name

class ProjectServiceCommissionWizard(models.TransientModel):
    _name = 'project.service.commission.wizard'

    name = fields.Char('Nombre')
    task_id = fields.Many2one('project.service.task', string='Tarea')
    activity_id = fields.Many2one('project.service.activity', string='Trabajo', required=True, domain="[('task_id','=',task_id)]")
    user_id = fields.Many2one('res.users', string='Funcionario', required=True, domain="[('id','!=',1)]")
    amount = fields.Float('Commission', required=True)

    @api.one 
    @api.onchange('activity_id')
    def onchange_activity(self):
        self.user_id = self.activity_id.user_id.id

    @api.one
    def add_commision(self):
        active_id = self._context['active_id']
        task = self.env['project.service.task'].browse(active_id)

        val = {
            'task_id': active_id,
            'activity_id': self.activity_id.id,
            'user_id': self.user_id.id,
            'amount': self.amount,
        }
        self.env['project.service.commission'].create(val)