[15.0][ADD] ‎mail_last_message_date

mail_last_message_date/README.rst

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+.. image:: https://odoo-community.org/readme-banner-image
+   :target: https://odoo-community.org/get-involved?utm_source=readme
+   :alt: Odoo Community Association
+
+======================
+Mail Last Message Date
+======================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:ad8725fa1a949f43179cece42bbab34828e98918bbddb1d0049bbdbc67b10614
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github
+    :target: https://github.com/OCA/social/tree/15.0/mail_last_message_date
+    :alt: OCA/social
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/social-15-0/social-15-0-mail_last_message_date
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/social&target_branch=15.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module does not provide functionality on its own; another module must inherit 
+``mail.last.message.date.mixin`` on the target model. This module adds a last chatter 
+update datetime (``last_message_date``) through the mixin. Models inherit the mixin
+explicitly, and can optionally restrict updates to specific message_type in code.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Configuration
+=============
+
+#. Inherit ``mail.last.message.date.mixin`` on the models to track
+   (alongside ``mail.thread`` if the model does not already inherit it).
+#. (Optional) override ``_get_tracked_message_types()`` on the model to return a list of
+   ``message_types``. If no ``message_types`` are returned, any message updates
+   ``last_message_date``.
+#. Example:
+
+   .. code-block:: python
+
+      from odoo import models
+
+      class PurchaseOrder(models.Model):
+          _inherit = ["purchase.order", "mail.last.message.date.mixin"]
+
+          def _get_tracked_message_types(self):
+              message_types = super()._get_tracked_message_types()
+              message_types.append("email")
+              return message_types
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/social/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/social/issues/new?body=module:%20mail_last_message_date%0Aversion:%2015.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+~~~~~~~
+
+* Quartile
+
+Contributors
+~~~~~~~~~~~~
+
+* `Quartile <https://www.quartile.co>`__:
+
+  * Toshikimi Shigenobu
+  * Yoshi Tashiro
+
+Maintainers
+~~~~~~~~~~~
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/social <https://github.com/OCA/social/tree/15.0/mail_last_message_date>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

mail_last_message_date/__init__.py

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+from . import models

mail_last_message_date/__manifest__.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    "name": "Mail Last Message Date",
+    "version": "15.0.1.0.0",
+    "category": "Mail",
+    "summary": "Track last message date on models using the mixin",
+    "author": "Quartile, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/social",
+    "license": "AGPL-3",
+    "depends": ["mail"],
+    "installable": True,
+}

mail_last_message_date/models/__init__.py

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+from . import mail_message
+from . import mail_last_message_date_mixin

mail_last_message_date/models/mail_last_message_date_mixin.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class MailLastMessageDateMixin(models.AbstractModel):
+    _name = "mail.last.message.date.mixin"
+
+    last_message_date = fields.Datetime(
+        help="Datetime when a message was posted on the record.",
+    )
+
+    def _get_tracked_message_types(self):
+        return []
+
+    def _should_track_message(self, message):
+        message_types = self._get_tracked_message_types()
+        if not message_types:
+            return True
+        return message.message_type in message_types

mail_last_message_date/models/mail_message.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, models
+
+
+class MailMessage(models.Model):
+    _inherit = "mail.message"
+
+    def _update_last_message_date(self):
+        for message in self:
+            if not (message.model and message.res_id):
+                continue
+            record = self.env[message.model].browse(message.res_id)
+            if (
+                "last_message_date" not in record._fields
+                or not record._should_track_message(message)
+            ):
+                continue
+            record.sudo().write({"last_message_date": message.date})
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        messages = super().create(vals_list)
+        messages._update_last_message_date()
+        return messages

mail_last_message_date/readme/CONFIGURE.rst

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+#. Inherit ``mail.last.message.date.mixin`` on the models to track
+   (alongside ``mail.thread`` if the model does not already inherit it).
+#. (Optional) override ``_get_tracked_message_types()`` on the model to return a list of
+   ``message_types``. If no ``message_types`` are returned, any message updates
+   ``last_message_date``.
+#. Example:
+
+   .. code-block:: python
+
+      from odoo import models
+
+      class PurchaseOrder(models.Model):
+          _inherit = ["purchase.order", "mail.last.message.date.mixin"]
+
+          def _get_tracked_message_types(self):
+              message_types = super()._get_tracked_message_types()
+              message_types.append("email")
+              return message_types

mail_last_message_date/readme/CONTRIBUTORS.rst

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+* `Quartile <https://www.quartile.co>`__:
+
+  * Toshikimi Shigenobu
+  * Yoshi Tashiro

mail_last_message_date/readme/DESCRIPTION.rst

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+This module does not provide functionality on its own; another module must inherit 
+``mail.last.message.date.mixin`` on the target model. This module adds a last chatter 
+update datetime (``last_message_date``) through the mixin. Models inherit the mixin
+explicitly, and can optionally restrict updates to specific message_type in code.