[IMP] res_config: Apply groups to users accross companies

Purpose
=======

When enabling/disabling a group, the modification is only applied
to the users from the enabled companies.

It should be applied to all the users.

closes odoo/odoo#36744

Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/base_setup/tests/__init__.py

@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import test_res_config

addons/base_setup/tests/test_res_config.py

@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo.tests.common import TransactionCase
+
+
+class TestResConfig(TransactionCase):
+
+    def test_multi_company_res_config_group(self):
+        # Enable/Disable a group in a multi-company environment
+        # 1/ All the users should be added/removed from the group
+        # and not only the users of the allowed companies
+        # 2/ The changes should be reflected for new users (Default User Template)
+
+        company = self.env['res.company'].create({'name': 'My Last Company'})
+        partner = self.env['res.partner'].create({
+            'name': 'My User'
+        })
+        user = self.env['res.users'].create({
+            'login': 'My User',
+            'company_id': company.id,
+            'company_ids': [(4, company.id)],
+            'partner_id': partner.id,
+        })
+
+        ResConfig = self.env['res.config.settings']
+        default_values = ResConfig.default_get(list(ResConfig.fields_get()))
+
+        # Case 1: Enable a group
+        default_values.update({'group_multi_currency': True})
+        ResConfig.create(default_values).execute()
+        self.assertTrue(user in self.env.ref('base.group_multi_currency').sudo().users)
+
+        new_partner = self.env['res.partner'].create({'name': 'New User'})
+        new_user = self.env['res.users'].create({
+            'login': 'My First New User',
+            'company_id': company.id,
+            'company_ids': [(4, company.id)],
+            'partner_id': new_partner.id,
+        })
+        self.assertTrue(new_user in self.env.ref('base.group_multi_currency').sudo().users)
+
+        # Case 2: Disable a group
+        default_values.update({'group_multi_currency': False})
+        ResConfig.create(default_values).execute()
+        self.assertTrue(user not in self.env.ref('base.group_multi_currency').sudo().users)
+
+        new_partner = self.env['res.partner'].create({'name': 'New User'})
+        new_user = self.env['res.users'].create({
+            'login': 'My Second New User',
+            'company_id': company.id,
+            'company_ids': [(4, company.id)],
+            'partner_id': new_partner.id,
+        })
+        self.assertTrue(new_user not in self.env.ref('base.group_multi_currency').sudo().users)

odoo/addons/base/models/res_config.py

@@ -568,6 +568,8 @@ class ResConfigSettings(models.TransientModel, ResConfigModuleInstallationMixin)
         current_settings = self.default_get(list(self.fields_get()))
         with self.env.norecompute():
             for name, groups, implied_group in classified['group']:
+                groups = groups.sudo()
+                implied_group = implied_group.sudo()
                 if self[name] == current_settings[name]:
                     continue
                 if int(self[name]):
@@ -627,6 +629,7 @@ class ResConfigSettings(models.TransientModel, ResConfigModuleInstallationMixin)
 
         self._install_modules(to_install)
 
+
         if to_install or to_uninstall_modules:
             # After the uninstall/install calls, the registry and environments
             # are no longer valid. So we reset the environment.