update oauth server

app_saas/models/auth_oauth_provider.py

@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+
+from odoo import api, fields, models, modules, tools, _
+
+import base64
+from datetime import timedelta
+
+class AuthOAuthProvider(models.Model):
+
+    _inherit = 'auth.oauth.provider'
+    _order = 'sequence, name'
+
+    # 取code的url，主要针对国内的先取code，再拿Token的方式
+    code_endpoint = fields.Char(string='Token by Code Endpoint', help='Get Token from Code. Only for Code response type.')