17.0 [FIX] auditlog: Unable to create a user session

auditlog/models/http_session.py

@@ -20,7 +20,10 @@ class AuditlogtHTTPSession(models.Model):
     @api.depends("create_date", "user_id")
     def _compute_display_name(self):
         for httpsession in self:
-            create_date = fields.Datetime.from_string(httpsession.create_date)
+            create_date = (
+                fields.Datetime.from_string(httpsession.create_date)
+                or fields.Datetime.now()
+            )
             tz_create_date = fields.Datetime.context_timestamp(httpsession, create_date)
             httpsession.display_name = "{} ({})".format(
                 httpsession.user_id and httpsession.user_id.name or "?",

auditlog/tests/test_auditlog.py

@@ -3,6 +3,10 @@
 # © 2021 Stefan Rijnhart <[email protected]>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
+from datetime import timedelta
+
+from odoo import fields
+
 from odoo.addons.base.models.ir_model import MODULE_UNINSTALL_FLAG
 from odoo.addons.base.models.res_users import name_boolean_group
 
@@ -271,6 +275,12 @@ def test_LogDelete(self):
             1,
         )
 
+    def test_http_session(self):
+        display_name = self.env["auditlog.http.session"].new().display_name
+        now_plus_one_hour = fields.Datetime.now() + timedelta(hours=1)
+        expected_time_str = now_plus_one_hour.strftime("%Y-%m-%d %H:%M:%S")
+        self.assertEqual(display_name, "? (" + expected_time_str + ")")
+
 
 class TestAuditlogFull(AuditLogRuleCommon, AuditlogCommon):
     @classmethod

auditlog/views/http_session_view.xml

@@ -22,7 +22,7 @@
         <field name="name">auditlog.http.session.tree</field>
         <field name="model">auditlog.http.session</field>
         <field name="arch" type="xml">
-            <tree>
+            <tree create="false">
                 <field name="user_id" />
                 <field name="create_date" />
                 <field name="name" />