Use dedicated method to skip user warning

sao/src/rpc.js

@@ -48,12 +48,8 @@
                                 return;
                             }
                             Sao.rpc({
-                                'method': 'model.res.user.warning.create',
-                                'params': [[{
-                                    'user': session.user_id,
-                                    'name': name,
-                                    'always': result == 'always'
-                                }], {}]
+                                'method': 'model.res.user.warning.skip',
+                                'params': [name, result == 'always', {}],
                             }, session).done(function() {
                                 if (async) {
                                     Sao.rpc(args, session).then(

tryton/tryton/common/common.py

@@ -973,11 +973,9 @@ def process_exception(exception, *args, **kwargs):
             name, msg, description = exception.args
             res = userwarning(description, msg)
             if res in ('always', 'ok'):
-                RPCExecute('model', 'res.user.warning', 'create', [{
-                            'user': rpc._USER,
-                            'name': name,
-                            'always': (res == 'always'),
-                            }],
+                RPCExecute(
+                    'model', 'res.user.warning', 'skip',
+                    name, (res == 'always'),
                     process_exception=False)
                 return rpc_execute(*args)
         elif exception.faultCode == 'UserError':

trytond/trytond/res/user.py

@@ -1073,6 +1073,22 @@ class Warning_(ModelSQL, ModelView):
     name = fields.Char('Name', required=True)
     always = fields.Boolean('Always')
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('user')
+        cls.__rpc__.update(
+            skip=RPC(check_access=False, readonly=False),
+            )
+
+    @classmethod
+    def skip(cls, name, always=False):
+        cls.create([{
+                    'name': name,
+                    'user': Transaction().user,
+                    'always': always,
+                    }])
+
     @classmethod
     def format(cls, name, records):
         key = '|'.join(map(str, records)).encode('utf-8')