Add timestamp field on ModelStorage for last modified

Closes #14202

modules/product_image/product.py

@@ -64,7 +64,7 @@ class ImageURLMixin:
                     args['h'] = height
                 if index is not None:
                     args['i'] = index
-            timestamp = int((self.write_date or self.create_date).timestamp())
+            timestamp = int(self.last_modified_at.timestamp())
             args['t'] = (
                 base64.urlsafe_b64encode(timestamp.to_bytes(8, 'big'))
                 .decode().rstrip('='))

modules/product_image/tests/test_module.py

@@ -116,7 +116,7 @@ class ProductImageTestCase(ModuleTestCase):
                 ).read()
             image.save()
 
-        template.write_date = dt.datetime(2025, 1, 1)  # fix timestamp
+        template.last_modified_at = dt.datetime(2025, 1, 1)  # fix timestamp
 
         self.assertRegex(
             template.get_image_url(i=2),

modules/production_work/work.py

@@ -406,7 +406,7 @@ class WorkCycle(Workflow, ModelSQL, ModelView):
 
     def set_duration(self, now):
         if self.duration is None:
-            self.duration = now - (self.write_date or self.create_date)
+            self.duration = now - self.last_modified_at
 
     def set_cost(self):
         if self.cost is None:

modules/web_user/user.py

@@ -442,8 +442,7 @@ class UserSession(ModelSQL):
     @property
     def expired(self):
         now = datetime.datetime.now()
-        timestamp = self.write_date or self.create_date
-        return abs(timestamp - now) > self.timeout()
+        return abs(self.last_modified_at - now) > self.timeout()
 
     @classmethod
     def reset(cls, session):

trytond/CHANGELOG

@@ -1,3 +1,4 @@
+* Add timestamp field on ModelSQL for last modified
 * Support Function field without getter but SQL expression
 * Add support for column_<field name> method
 * Use tables and Model as arguments for sql_column of the Field

trytond/trytond/ir/message.xml

@@ -65,6 +65,9 @@ this repository contains the full copyright notices and license terms. -->
         <record model="ir.message" id="msg_edited_at">
             <field name="text">Edited at</field>
         </record>
+        <record model="ir.message" id="msg_last_modified_at">
+            <field name="text">Last Modified at</field>
+        </record>
         <record model="ir.message" id="msg_record_name">
             <field name="text">Record Name</field>
         </record>

trytond/trytond/ir/routes.py

@@ -17,7 +17,7 @@ from trytond.wsgi import app
 
 
 def get_token(record):
-    return str((record.write_date or record.create_date).timestamp())
+    return str(record.last_modified_at.timestamp())
 
 
 def get_config(names, section='html', default=None):

trytond/trytond/ir/session.py

@@ -96,7 +96,7 @@ class Session(ModelSQL):
             if abs(session.create_date - now) < timeout:
                 if compare_digest(session.key, key):
                     find = True
-                    last_reset = session.write_date or session.create_date
+                    last_reset = session.last_modified_at
             else:
                 if find is None and compare_digest(session.key, key):
                     find = False
@@ -120,7 +120,7 @@ class Session(ModelSQL):
                 ('key', '=', key),
                 domain or [],
                 ], limit=1)
-        timestamp = session.write_date or session.create_date
+        timestamp = session.last_modified_at
         valid = abs(timestamp - now) < timeout
         if not valid:
             cls.delete([session])

trytond/trytond/model/modelsql.py

@@ -16,7 +16,7 @@ from sql.operators import And, Concat, Equal, Exists, Operator, Or
 from trytond import backend, config
 from trytond.cache import freeze
 from trytond.exceptions import ConcurrencyException
-from trytond.i18n import gettext
+from trytond.i18n import gettext, lazy_gettext
 from trytond.pool import Pool
 from trytond.pyson import PYSONDecoder, PYSONEncoder
 from trytond.rpc import RPC
@@ -322,6 +322,9 @@ class ModelSQL(ModelStorage):
     _history = False
     table_query = None
 
+    last_modified_at = fields.Function(fields.Timestamp(
+            lazy_gettext('ir.msg_last_modified_at')))
+
     @classmethod
     def __setup__(cls):
         cls._table = config.get('table', cls.__name__, default=cls._table)
@@ -956,6 +959,11 @@ class ModelSQL(ModelStorage):
                     raise ConcurrencyException(
                         'Records were modified in the meanwhile')
 
+    @classmethod
+    def column_last_modified_at(cls, tables):
+        table, _ = tables[None]
+        return Coalesce(table.write_date, table.create_date)
+
     @classmethod
     @no_table_query
     def create(cls, vlist):

trytond/trytond/res/user.py

@@ -325,8 +325,7 @@ class User(avatar_mixin(100, 'login'), DeactivableMixin, ModelSQL, ModelView):
                         ], order=[('create_uid', 'ASC')])
 
                 def filter_(session):
-                    timestamp = session.write_date or session.create_date
-                    return abs(timestamp - now) < timeout
+                    return abs(session.last_modified_at - now) < timeout
                 result.update(dict((i, len(list(g)))
                         for i, g in groupby(filter(filter_, sessions),
                             attrgetter('create_uid.id'))))