# -*- coding: utf-8 -*-
##############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#    Copyright (C) 2016-TODAY Cybrosys Technologies(<http://www.cybrosys.com>).
#    Author: Cybrosys Technologies(<http://www.cybrosys.com>)
#    you can modify it under the terms of the GNU LESSER
#    GENERAL PUBLIC LICENSE (LGPL v3), Version 3.
#
#    It is forbidden to publish, distribute, sublicense, or sell copies
#    of the Software or modified copies of the Software.
#
#    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 LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
#
#    You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
#    GENERAL PUBLIC LICENSE (LGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from odoo import models, api, _
from odoo.exceptions import UserError


class WarningOnSaleInvoice(models.TransientModel):
    _inherit = 'sale.advance.payment.inv'

    @api.multi
    def _create_invoice(self, order, so_line, amount):
        total_inv = 0
        for invoices in self.env['account.invoice'].search([('origin', '=', order.name)]):
            total_inv += invoices.amount_total
        total_inv += amount
        if total_inv > order.amount_total:
            raise UserError(_('You are trying to invoice more than total price'))
        return super(WarningOnSaleInvoice, self)._create_invoice(order, so_line, amount)