from odoo import models, fields
from odoo.exceptions import ValidationError


class ReSaleOrder(models.Model):
    _inherit = 'sale.order'

    deadline_of_delivery = fields.Date('交货截止日期')

    # 业务平台分配工厂时调用该方法先创建销售订单(调用该方法时用prototype)
    def sale_order_create(self, order):
        self.env['sale.order'].create({
            'deadline_of_delivery': order['deadline_of_delivery']
        })