[17.0][ADD] mail_template_domain: New module

mail_template_domain/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 Template Domain
+====================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:0ad5a5b12ca98c2057110cf9b2856f809274ebb84075743c3861c6c5710bfd0e
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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%2Fmail-lightgray.png?logo=github
+    :target: https://github.com/OCA/mail/tree/17.0/mail_template_domain
+    :alt: OCA/mail
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/mail-17-0/mail-17-0-mail_template_domain
+    :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/mail&target_branch=17.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module allows setting an application domain on mail templates.
+
+When a domain is configured on a template, that template will only
+appear in the email composer when the active record matches the domain.
+Templates without a domain continue to appear for all records of the
+applicable model.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To use this module:
+
+1. Go to **Settings > Technical > Email > Templates**.
+2. Open or create a mail template.
+3. In the **Apply on** field (Settings tab), set the domain that records
+   must match for this template to appear in the composer (e.g.
+   ``[('is_company', '=', True)]`` to show the template only on contacts
+   where **Is a Company** is set).
+4. Leave **Apply on** empty to keep the template available for all
+   records of the model (default behaviour).
+
+When a user opens the email composer from a record, only templates whose
+**Apply on** domain matches that record will be listed in the *Load
+template* dropdown.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/mail/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/mail/issues/new?body=module:%20mail_template_domain%0Aversion:%2017.0%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
+-------
+
+* Tecnativa
+
+Contributors
+------------
+
+- `Tecnativa <https://www.tecnativa.com>`__:
+
+  - Cristina Hidalgo
+
+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/mail <https://github.com/OCA/mail/tree/17.0/mail_template_domain>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

mail_template_domain/__init__.py

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+from . import models

mail_template_domain/__manifest__.py

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+{
+    "name": "Mail Template Domain",
+    "summary": "Filter mail templates by domain on the active record",
+    "version": "17.0.1.0.0",
+    "category": "Technical",
+    "website": "https://github.com/OCA/mail",
+    "author": "Tecnativa, Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "installable": True,
+    "depends": ["mail"],
+    "data": [
+        "views/mail_template_views.xml",
+        "views/mail_compose_message_views.xml",
+    ],
+}

mail_template_domain/i18n/es.po

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* mail_template_domain
+#
+# Translators:
+# Cristina Hidalgo <cristina.hidalgo@tecnativa.com>, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 17.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-04-15 09:47+0000\n"
+"PO-Revision-Date: 2026-04-15 09:47+0000\n"
+"Last-Translator: Cristina Hidalgo <cristina.hidalgo@tecnativa.com>\n"
+"Language-Team: none\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#. module: mail_template_domain
+#: model:ir.model.fields,field_description:mail_template_domain.field_mail_template__filter_domain
+#: model_terms:ir.ui.view,arch_db:mail_template_domain.email_template_form_filter_domain
+msgid "Apply on"
+msgstr "Aplicar en"
+
+#. module: mail_template_domain
+#: model:ir.model,name:mail_template_domain.model_mail_compose_message
+msgid "Email composition wizard"
+msgstr "Asistente de redacción de correo electrónico"
+
+#. module: mail_template_domain
+#: model:ir.model,name:mail_template_domain.model_mail_template
+msgid "Email Templates"
+msgstr "Plantillas de correo electrónico"
+
+#. module: mail_template_domain
+#: model:ir.model.fields,help:mail_template_domain.field_mail_template__filter_domain
+msgid ""
+"If set, this template will only appear in the email composer when the active"
+" record matches this domain."
+msgstr ""
+"Si se establece, esta plantilla solo aparecerá en el compositor de correo "
+"cuando el registro activo cumpla este dominio."
+
+#. module: mail_template_domain
+#: model:ir.model.fields,field_description:mail_template_domain.field_mail_compose_message__mail_template_res_ids
+msgid "Mail Template Res Ids"
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model.fields,help:mail_template_domain.field_mail_compose_message__mail_template_res_ids
+msgid ""
+"Technical field: res_ids as JSON used to filter available templates by"
+" domain."
+msgstr ""

mail_template_domain/i18n/mail_template_domain.pot

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* mail_template_domain
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 17.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-04-15 09:47+0000\n"
+"PO-Revision-Date: 2026-04-15 09:47+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: mail_template_domain
+#: model:ir.model.fields,field_description:mail_template_domain.field_mail_template__filter_domain
+#: model_terms:ir.ui.view,arch_db:mail_template_domain.email_template_form_filter_domain
+msgid "Apply on"
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model,name:mail_template_domain.model_mail_compose_message
+msgid "Email composition wizard"
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model,name:mail_template_domain.model_mail_template
+msgid "Email Templates"
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model.fields,help:mail_template_domain.field_mail_template__filter_domain
+msgid ""
+"If set, this template will only appear in the email composer when the active"
+" record matches this domain."
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model.fields,field_description:mail_template_domain.field_mail_compose_message__mail_template_res_ids
+msgid "Mail Template Res Ids"
+msgstr ""
+
+#. module: mail_template_domain
+#: model:ir.model.fields,help:mail_template_domain.field_mail_compose_message__mail_template_res_ids
+msgid ""
+"Technical field: res_ids as JSON used to filter available templates by"
+" domain."
+msgstr ""

mail_template_domain/models/__init__.py

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+from . import mail_compose_message
+from . import mail_template

mail_template_domain/models/mail_compose_message.py

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+from odoo import api, fields, models
+
+
+class MailComposeMessage(models.TransientModel):
+    _inherit = "mail.compose.message"
+
+    mail_template_res_ids = fields.Char(
+        compute="_compute_mail_template_res_ids",
+        help="Technical field: res_ids as JSON used to filter available"
+        " templates by domain.",
+    )
+
+    @api.depends("res_ids")
+    def _compute_mail_template_res_ids(self):
+        for composer in self:
+            composer.mail_template_res_ids = composer.res_ids or "[]"

mail_template_domain/models/mail_template.py

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+import json
+
+from odoo import api, fields, models
+from odoo.tools.safe_eval import safe_eval
+
+
+class MailTemplate(models.Model):
+    _inherit = "mail.template"
+
+    filter_domain = fields.Char(
+        string="Apply on",
+        help="If set, this template will only appear in the email composer "
+        "when the active record matches this domain.",
+    )
+
+    @api.model
+    def _name_search(
+        self, name="", domain=None, operator="ilike", limit=None, order=None
+    ):
+        # Override _name_search (Many2one widget lookups) instead of
+        # search/_search so the filter only applies in the composer dropdown,
+        # not in list views or programmatic searches (fail-open by design).
+        ids = super()._name_search(name, domain, operator, limit, order)
+        res_ids_raw = self._context.get("mail_template_res_ids")
+        res_model = self._context.get("mail_template_res_model")
+        if not res_ids_raw or not res_model or res_model not in self.env:
+            return ids
+        try:
+            res_ids = json.loads(res_ids_raw)
+        except (ValueError, TypeError):
+            return ids
+        if not res_ids:
+            return ids
+        records = self.env[res_model].browse(res_ids)
+        if not records.exists():
+            return ids
+        return (
+            self.browse(ids)
+            .filtered(
+                lambda t: not t.filter_domain
+                or len(records.filtered_domain(safe_eval(t.filter_domain)))
+                == len(records)
+            )
+            .ids
+        )

mail_template_domain/pyproject.toml

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+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"

mail_template_domain/readme/CONTRIBUTORS.md

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+- [Tecnativa](https://www.tecnativa.com):
+  - Cristina Hidalgo

mail_template_domain/readme/DESCRIPTION.md

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+This module allows setting an application domain on mail templates.
+
+When a domain is configured on a template, that template will only appear
+in the email composer when the active record matches the domain. Templates
+without a domain continue to appear for all records of the applicable model.

mail_template_domain/readme/USAGE.md

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+To use this module:
+
+1. Go to **Settings > Technical > Email > Templates**.
+2. Open or create a mail template.
+3. In the **Apply on** field (Settings tab), set the domain that records must
+   match for this template to appear in the composer
+   (e.g. `[('is_company', '=', True)]` to show the template only on contacts
+   where **Is a Company** is set).
+4. Leave **Apply on** empty to keep the template available for all records of
+   the model (default behaviour).
+
+When a user opens the email composer from a record, only templates whose
+**Apply on** domain matches that record will be listed in the *Load template*
+dropdown.