[FIX] tracking_manager: Avoid error when accessing the value of a fie…

…ld that we do not have access

Example use case:
- Install hr_fleet
- Set the employee_ids field of hr.employee as a tracking field
- Modify the user to not have permissions in Fleet
- Modify the name of an employee

TT51160

tracking_manager/models/models.py

@@ -6,6 +6,7 @@
 from collections import defaultdict
 
 from odoo import api, models, tools
+from odoo.exceptions import AccessError
 
 from ..tools import format_m2m
 
@@ -120,7 +121,11 @@ def _tm_prepare_o2m_tracking(self):
             values = initial_values.setdefault(record.id, {})
             if values is not None:
                 for fname in fnames:
-                    values.setdefault(fname, record[fname])
+                    try:
+                        values.setdefault(fname, record[fname])
+                    except AccessError:
+                        # User does not have access to the field (example with groups)
+                        continue
 
     def _tm_finalize_o2m_tracking(self):
         initial_values = self.env.cr.precommit.data.pop(

tracking_manager/tests/test_tracking_manager.py

@@ -1,4 +1,5 @@
 # Copyright 2022 Akretion (https://www.akretion.com).
+# Copyright 2024 Tecnativa - Víctor Martínez
 # @author Kévin Roche <kevin.roche@akretion.com>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
@@ -27,7 +28,7 @@ def setUpClass(cls):
             }
         )
         cls.partner_model = cls.env.ref("base.model_res_partner")
-        cls._active_tracking(["user_ids", "category_id"])
+        cls._active_tracking(["user_ids", "category_id", "child_ids"])
         cls.flush_tracking()
         cls.partner.message_ids.unlink()
 
@@ -267,3 +268,10 @@ def test_o2m_write_and_unlink_directly(self):
         self.assertEqual(len(self.messages), 1)
         self.assertEqual(self.messages.body.count("Change"), 0)
         self.assertEqual(self.messages.body.count("Delete"), 1)
+
+    def test_o2m_update_record(self):
+        child = self.env["res.partner"].create(
+            {"name": "Test child", "parent_id": self.partner.id}
+        )
+        child.write({"parent_id": False})
+        self.assertEqual(len(self.messages), 1)