# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, fields, models, _


class SignRequest(models.Model):
    _inherit = "sign.request"

    sale_order_id = fields.Many2one("sale.order", string="Sales Order")

    def _sign(self):
        super(SignRequest, self)._sign()
        for request in self:
            if request.sale_order_id:
                request.sale_order_id.message_post_with_source(
                    "sale_renting_sign.message_signature_link",
                    render_values={"request": request, "salesman": self.env.user.partner_id},
                    subtype_xmlid='mail.mt_note',
                )
                # attach a copy of the signed document to the SO for easy retrieval
                self.env["ir.attachment"].create(
                    {
                        "name": request.reference,
                        "datas": request.completed_document,
                        "type": "binary",
                        "res_model": self.env["sale.order"]._name,
                        "res_id": request.sale_order_id.id,
                    }
                )