partner-contact/partner_financial_risk/models/account_invoice.py

# -*- coding: utf-8 -*-
# © 2016 Carlos Dauden <carlos.dauden@tecnativa.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from openerp import api, models, _


class AccountInvoice(models.Model):
    _inherit = 'account.invoice'

    @api.multi
    def invoice_open(self):
        if self.env.context.get('bypass_risk', False):
            return self.signal_workflow('invoice_open')
        for invoice in self:
            partner = invoice.partner_id
            exception_msg = ""
            if partner.risk_exception:
                exception_msg = _("Financial risk exceeded.\n")
            elif partner.risk_invoice_open_limit and (
                    (partner.risk_invoice_open + invoice.amount_total) >
                    partner.risk_invoice_open_limit):
                exception_msg = _(
                    "This invoice exceeds the open invoices risk.\n")
            elif partner.risk_invoice_open_include and (
                    (partner.risk_total + invoice.amount_total) >
                    partner.credit_limit):
                exception_msg = _(
                    "This invoice exceeds the financial risk.\n")
            if exception_msg:
                return self.env['partner.risk.exceeded.wiz'].create({
                    'exception_msg': exception_msg,
                    'partner_id': partner.id,
                    'origin_reference':
                        '%s,%s' % (self._model, invoice.id),
                    'continue_method': 'invoice_open',
                }).action_show()
        return self.signal_workflow('invoice_open')