修复部分bug

sf_sale/models/sale_order.py

@@ -3,6 +3,11 @@ import base64
 from odoo import models, fields, api, _
 from odoo.exceptions import UserError, ValidationError
 
+READONLY_FIELD_STATES = {
+    state: [('readonly', True)]
+    for state in {'sale', 'done', 'cancel'}
+}
+
 
 class ReSaleOrder(models.Model):
     _inherit = 'sale.order'
@@ -39,6 +44,12 @@ class ReSaleOrder(models.Model):
         domain="['|', ('company_id', '=', False), ('company_id', '=', company_id)]")
     remark = fields.Text('备注')
 
+    validity_date = fields.Date(
+        string="Expiration",
+        compute='_compute_validity_date',
+        store=True, readonly=False, copy=False, precompute=True,
+        states=READONLY_FIELD_STATES, default=fields.Datetime.now)
+
     # 业务平台分配工厂后在智能工厂先创建销售订单
     def sale_order_create(self, company_id, delivery_name, delivery_telephone, delivery_address,
                           deadline_of_delivery, payments_way, pay_way):