[16.0][ADD] product_restricted_tracking

product_restricted_tracking/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
+
+===========================
+Product Restricted Tracking
+===========================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:b65fa4c533fef8a0750c7dae1be3e2afd44df9ad1f330793cee4d7990fe259f4
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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%2Fproduct--attribute-lightgray.png?logo=github
+    :target: https://github.com/OCA/product-attribute/tree/16.0/product_restricted_tracking
+    :alt: OCA/product-attribute
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/product-attribute-16-0/product-attribute-16-0-product_restricted_tracking
+    :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/product-attribute&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module adds a 'restricted_tracking' field to the product category
+model. With this optional selection field, you can enforce that all
+products in a category must use a specific tracking method (Serial
+Number, Lot, or None).
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Configuration
+=============
+
+To configure this module:
+
+1. Go to *Inventory > Configuration > Product Categories*
+2. Select a category and set a *Restricted Tracking* value (Serial
+   Number, Lot, or None)
+3. When creating or editing products in this category, only the allowed
+   tracking method can be selected
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/product-attribute/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/product-attribute/issues/new?body=module:%20product_restricted_tracking%0Aversion:%2016.0%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>
+
+   -  Aung Ko Ko Lin
+
+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.
+
+.. |maintainer-aungkokolin1997| image:: https://github.com/aungkokolin1997.png?size=40px
+    :target: https://github.com/aungkokolin1997
+    :alt: aungkokolin1997
+.. |maintainer-yostashiro| image:: https://github.com/yostashiro.png?size=40px
+    :target: https://github.com/yostashiro
+    :alt: yostashiro
+
+Current `maintainers <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-aungkokolin1997| |maintainer-yostashiro| 
+
+This module is part of the `OCA/product-attribute <https://github.com/OCA/product-attribute/tree/16.0/product_restricted_tracking>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

product_restricted_tracking/__init__.py

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+from . import models

product_restricted_tracking/__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).
+
+{
+    "name": "Product Restricted Tracking",
+    "version": "16.0.1.0.0",
+    "author": "Quartile, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/product-attribute",
+    "license": "AGPL-3",
+    "category": "Product",
+    "depends": ["stock"],
+    "data": [
+        "views/product_category_views.xml",
+    ],
+    "installable": True,
+    "maintainers": ["aungkokolin1997", "yostashiro"],
+}

product_restricted_tracking/models/__init__.py

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+from . import product_category
+from . import product_template

product_restricted_tracking/models/product_category.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class ProductCategory(models.Model):
+    _inherit = "product.category"
+
+    restricted_tracking = fields.Selection(
+        selection=lambda self: self.env["product.template"]
+        ._fields["tracking"]
+        ._description_selection(self.env),
+    )
+
+    @api.constrains("restricted_tracking")
+    def _check_restricted_tracking(self):
+        for categ in self:
+            if not categ.restricted_tracking:
+                continue
+            conflicting_products = self.env["product.template"].search(
+                [
+                    ("categ_id", "=", categ.id),
+                    ("tracking", "!=", categ.restricted_tracking),
+                ]
+            )
+            if conflicting_products:
+                tracking_label = dict(
+                    categ._fields["restricted_tracking"]._description_selection(
+                        self.env
+                    )
+                ).get(categ.restricted_tracking)
+                tracking_selection_dict = dict(
+                    conflicting_products._fields["tracking"]._description_selection(
+                        self.env
+                    )
+                )
+                total_count = len(conflicting_products)
+                product_list = "\n".join(
+                    [
+                        "- %s (%s)"
+                        % (
+                            product.display_name,
+                            tracking_selection_dict.get(product.tracking),
+                        )
+                        for product in conflicting_products[:10]
+                    ]
+                )
+                more_info = (
+                    _("\n... and %s more product(s)", total_count - 10)
+                    if total_count > 10
+                    else ""
+                )
+                raise ValidationError(
+                    _(
+                        "Cannot set restricted tracking to '%(tracking)s' because "
+                        "%(count)s product(s) in this category have different "
+                        "tracking:\n%(products)s%(more)s",
+                        tracking=tracking_label,
+                        count=total_count,
+                        products=product_list,
+                        more=more_info,
+                    )
+                )

product_restricted_tracking/models/product_template.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, models
+from odoo.exceptions import ValidationError
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    @api.constrains("tracking", "categ_id")
+    def _check_tracking_matches_category(self):
+        tracking_dict = dict(self._fields["tracking"]._description_selection(self.env))
+        for product in self:
+            if (
+                product.categ_id.restricted_tracking
+                and product.tracking != product.categ_id.restricted_tracking
+            ):
+                raise ValidationError(
+                    _(
+                        "Product '%(product)s' has tracking '%(tracking)s' but is "
+                        "assigned to category '%(category)s' which requires "
+                        "tracking '%(required_tracking)s'.",
+                        product=product.display_name,
+                        tracking=tracking_dict.get(product.tracking),
+                        category=product.categ_id.display_name,
+                        required_tracking=tracking_dict.get(
+                            product.categ_id.restricted_tracking
+                        ),
+                    )
+                )

product_restricted_tracking/readme/CONFIGURE.md

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+To configure this module:
+
+1. Go to *Inventory > Configuration > Product Categories*
+2. Select a category and set a *Restricted Tracking* value (Serial Number, Lot, or None)
+3. When creating or editing products in this category, only the allowed tracking method can be selected

product_restricted_tracking/readme/CONTRIBUTORS.md

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+- Quartile \<<https://www.quartile.co>\>
+  - Aung Ko Ko Lin
+  - Sanami Koshita

product_restricted_tracking/readme/DESCRIPTION.md

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+This module adds a 'restricted_tracking' field to the product category model.
+With this optional selection field, you can enforce that all products in a
+category must use a specific tracking method (Serial Number, Lot, or None).