partner_credito_limite/models/account_invoice.py

#-*- coding:utf-8 -*-
from openerp import models, api, _
from openerp.exceptions import Warning
from datetime import datetime, date

# 
# class account_invoice(models.Model):
#     _inherit = "account.invoice"
#
#     def invoice_validate(self):
#         self.check_limit()
#        # self.check_morosidad()
#         return super(account_invoice, self).invoice_validate()
#
#     @api.one
#     def check_limit(self):
#
#         if self.contado == True:
#             return True
#
#         available_credit = self.partner_id.credit_limit - self.partner_id.credit
#
#         if self.amount_total > available_credit:
#             if not self.user_has_groups('partner_credito_limite.groups_partner_credito_limite'):
#                 msg = 'No se puede confirmar el Pedido ya que el cliente no tiene crédito suficiente.\
#                     Pruebe marcar la opción "Contado" o pedir autorización para poder realizar la venta.'
#                 raise Warning(_(msg))
#                 return False
#             return True