[15.0][ADD] mail_thread_previous_message

mail_thread_previous_message/README.rst

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+============================
+Mail Thread Previous Message
+============================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:99c5593616f6e5cb2f0bce18009d19919432544ca3131a8efc6253b6ba1863f2
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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/licence-LGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-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_thread_previous_message
+    :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_thread_previous_message
+    :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|
+
+Adds the mail 'In-Reply-To' header and modify the 'References' one, so
+that messages are always grouped as a reply to the previous one.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+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_thread_previous_message%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
+-------
+
+* Grupo Isonor
+
+Contributors
+------------
+
+-  `Grupo Isonor <https://www.grupoisonor.es>`__:
+
+   -  Alexandre D. Díaz
+
+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_thread_previous_message>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

mail_thread_previous_message/__init__.py

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+from . import models

mail_thread_previous_message/__manifest__.py

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+{
+    "name": "Mail Thread Previous Message",
+    "summary": """Adds the 'In-Reply-To' mail header
+    and modify the references to reflect the entire conversation""",
+    "category": "Social Network",
+    "website": "https://github.com/OCA/social",
+    "author": "Grupo Isonor, Odoo Community Association (OCA)",
+    "version": "15.0.1.0.0",
+    "depends": [
+        "mail",
+    ],
+    "application": False,
+    "auto_install": False,
+    "license": "LGPL-3",
+}

mail_thread_previous_message/models/__init__.py

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+from . import mail_thread

mail_thread_previous_message/models/mail_thread.py

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+# Copyright 2024 Grupo Isonor
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from ast import literal_eval
+
+from odoo import models
+
+
+class MailThread(models.AbstractModel):
+    _inherit = "mail.thread"
+
+    def _notify_by_email_add_values(self, base_mail_values):
+        """All messages are a response to the previous message.
+        The entire conversation in the document is referenced."""
+        res = super()._notify_by_email_add_values(base_mail_values)
+        message_id = self.env["mail.message"].browse(res["mail_message_id"])
+        if (
+            not message_id
+            or not message_id.model
+            or not message_id.res_id
+            or message_id.is_internal
+        ):
+            return res
+        orig_id = self.env[message_id.model].browse(message_id.res_id)
+        orig_non_internal_messages = orig_id.message_ids.filtered(
+            lambda x: not x.is_internal and x.id != message_id.id
+        )
+        if len(orig_non_internal_messages) != 0:
+            # Set the message as a reply to the previous message
+            in_reply_to = orig_non_internal_messages[0].message_id
+            header_in_reply_to = {
+                "In-Reply-To": in_reply_to,
+            }
+            headers = res.get("headers")
+            if headers:
+                headers = literal_eval(headers)
+                headers.update(header_in_reply_to)
+                res["headers"] = repr(headers)
+            else:
+                res["headers"] = repr(header_in_reply_to)
+        # Reconstruct the references (See RFC 5322, section 3.6.4)
+        nref = orig_non_internal_messages.mapped("message_id")
+        res["references"] = " ".join(reversed(nref))
+        return res

mail_thread_previous_message/readme/CONTRIBUTORS.md

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+- [Grupo Isonor](https://www.grupoisonor.es):
+  - Alexandre D. Díaz

mail_thread_previous_message/readme/DESCRIPTION.md

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+Adds the mail 'In-Reply-To' header and modify the 'References' one, so that messages are
+always grouped as a reply to the previous one.