[19.0][ADD] website_sale_variant_extra_fields

website_sale_variant_extra_fields/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
+
+================================
+Website Sale Variant Extra Field
+================================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:9cc0cda167991a1639bba1b8c4b5918d46a6145dfe00601164f4bd2fc8ab7c30
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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-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%2Fe--commerce-lightgray.png?logo=github
+    :target: https://github.com/OCA/e-commerce/tree/19.0/website_sale_variant_extra_fields
+    :alt: OCA/e-commerce
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/e-commerce-19-0/e-commerce-19-0-website_sale_variant_extra_fields
+    :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/e-commerce&target_branch=19.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+The standard *Product Page Extra Fields* configuration lets a website
+manager pick product fields to display on the shop product page. It only
+supports char and binary fields on the product template, and the
+displayed value is read once when the page loads, so it never updates
+when the customer switches variants.
+
+This module removes both limitations:
+
+- product variant fields can be selected, in addition to product
+  template fields;
+- more field types are supported: numbers, dates, datetimes, dropdown
+  (selection) values and linked records, in addition to char and binary
+  fields;
+- when a variant field is selected, its value refreshes live on the
+  product page as soon as the customer picks a different combination of
+  attributes.
+
+  - decimal numbers are displayed with the number of decimals configured
+    for the selected field.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+1. Go to *Website > Configuration > Settings* and open the *Product Page
+   Extra Fields* configuration of the website.
+2. Add a line and pick any field of a product or of a product variant.
+   Text, file, number, date, date and time, dropdown, and linked record
+   fields are available.
+3. Go to the shop and open a product page. The label and the value of
+   each selected field are displayed below the product details (if the
+   field has a value on the displayed product or variant).
+4. Select another variant attribute on that page. The values coming from
+   a product.variant field are updated immediately, while the values
+   coming from a product.template field stay unchanged.
+
+A variant field with no value on the displayed variant is simply hidden,
+and appears again as soon as the customer selects a variant that has a
+value.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/e-commerce/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/e-commerce/issues/new?body=module:%20website_sale_variant_extra_fields%0Aversion:%2019.0%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
+-------
+
+* Camptocamp
+
+Contributors
+------------
+
+- `Camptocamp <https://www.camptocamp.com/>`__:
+
+  - Ricardoalso <ricardo.almeidasoares@camptocamp.com>
+
+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/e-commerce <https://github.com/OCA/e-commerce/tree/19.0/website_sale_variant_extra_fields>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

website_sale_variant_extra_fields/__init__.py

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+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
+
+from . import models

website_sale_variant_extra_fields/__manifest__.py

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+# Copyright 2026 Camptocamp SA
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
+{
+    "name": "Website Sale Variant Extra Field",
+    "summary": "Show variant fields and more field types in the product page "
+    "extra fields",
+    "version": "19.0.1.0.0",
+    "development_status": "Beta",
+    "category": "Website",
+    "website": "https://github.com/OCA/e-commerce",
+    "author": "Camptocamp, Odoo Community Association (OCA)",
+    "license": "LGPL-3",
+    "application": False,
+    "installable": True,
+    "depends": ["website_sale"],
+    "data": ["views/templates.xml"],
+    "assets": {
+        "web.assets_frontend": [
+            "/website_sale_variant_extra_fields/static/src/js/*.esm.js",
+        ],
+    },
+}

website_sale_variant_extra_fields/models/__init__.py

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+from . import website_sale_extra_field
+from . import product_template

website_sale_variant_extra_fields/models/product_template.py

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+# Copyright 2026 Camptocamp SA
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
+
+from odoo import models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    def _get_combination_info(
+        self,
+        combination=False,
+        product_id=False,
+        add_qty=1.0,
+        uom_id=False,
+        only_template=False,
+    ):
+        combination_info = super()._get_combination_info(
+            combination=combination,
+            product_id=product_id,
+            add_qty=add_qty,
+            uom_id=uom_id,
+            only_template=only_template,
+        )
+        website = self.env["website"].get_current_website()
+        extra_fields = website.shop_extra_field_ids.filtered("is_variant_field")
+        if not extra_fields:
+            return combination_info
+        variant = self.env["product.product"].browse(combination_info.get("product_id"))
+        combination_info["variant_extra_fields"] = extra_fields._get_rendered_values(
+            variant
+        )
+        return combination_info

website_sale_variant_extra_fields/models/website_sale_extra_field.py

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+# Copyright 2026 Camptocamp SA
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
+
+from markupsafe import Markup
+
+from odoo import api, fields, models
+
+VARIANT_MODEL = "product.product"
+
+EXTRA_FIELD_MODELS = ["product.template", "product.product"]
+
+EXTRA_FIELD_TTYPES = [
+    "char",
+    "binary",
+    "integer",
+    "float",
+    "date",
+    "datetime",
+    "selection",
+    "many2one",
+    "one2many",
+    "many2many",
+]
+
+
+class WebsiteSaleExtraField(models.Model):
+    _inherit = "website.sale.extra.field"
+
+    field_id = fields.Many2one(
+        domain=[
+            ("model_id.model", "in", EXTRA_FIELD_MODELS),
+            ("ttype", "in", EXTRA_FIELD_TTYPES),
+        ],
+    )
+    is_variant_field = fields.Boolean(compute="_compute_is_variant_field")
+
+    @api.depends("field_id.model_id.model")
+    def _compute_is_variant_field(self):
+        for extra_field in self:
+            extra_field.is_variant_field = (
+                extra_field.field_id.sudo().model_id.model == VARIANT_MODEL
+            )
+
+    def _get_source_record(self, product, product_variant):
+        """Return the record the extra field value must be read from.
+
+        Variant scoped fields are read from the currently displayed variant,
+        template scoped ones from the product template.
+        """
+        self.ensure_one()
+        return product_variant if self.is_variant_field else product
+
+    def _get_render_options(self):
+        """Return the ``t-options`` used to render the extra field value."""
+        self.ensure_one()
+        field_id = self.field_id.sudo()
+        ttype = field_id.ttype
+        options = {"widget": ttype}
+        field = self.env[field_id.model_id.model]._fields.get(self.name)
+        if not field:
+            return options
+        if ttype == "float":
+            # Without an explicit precision, `ir.qweb.field.float` falls back to
+            # a significant digits heuristic instead of the decimal precision
+            # configured on the field.
+            digits = field.get_digits(self.env)
+            if digits:
+                options["precision"] = digits[1]
+        elif ttype == "selection":
+            # `ir.qweb.field.selection` requires the labels mapping, which is
+            # only injected automatically when rendering a record, not a value.
+            options["selection"] = dict(field.get_description(self.env)["selection"])
+        return options
+
+    def _get_converter(self):
+        """Return the ``ir.qweb.field`` model rendering the extra field value.
+
+        Some field types have no dedicated converter, QWeb falls back on the
+        base one for them.
+        """
+        self.ensure_one()
+        model = f"ir.qweb.field.{self.field_id.sudo().ttype}"
+        return self.env[model] if model in self.env else self.env["ir.qweb.field"]
+
+    def _render_value(self, record):
+        """Return the HTML rendering of the extra field value on ``record``."""
+        self.ensure_one()
+        if not record:
+            return ""
+        value = record.sudo()[self.name]
+        if not value:
+            return ""
+        field_id = self.field_id.sudo()
+        if field_id.ttype == "binary":
+            return Markup(
+                '<a target="_blank" href="/web/content/%s/%s/%s?download=1">'
+                '<i class="fa fa-file"/></a>'
+            ) % (field_id.model_id.model, record.id, self.name)
+        rendered = self._get_converter().value_to_html(
+            value, self._get_render_options()
+        )
+        return Markup(rendered) if rendered else ""
+
+    def _get_rendered_values(self, record):
+        """Return ``{field name: rendered value}`` for every field of ``self``."""
+        return {
+            extra_field.name: extra_field._render_value(record) for extra_field in self
+        }
+
+    def _has_content_to_display(self, product, product_variant):
+        """Whether the extra fields block must be rendered for that product.
+
+        Variant scoped fields always reserve their place in the page: their value
+        is refreshed client side when the customer selects another variant, so an
+        empty value on the variant displayed first must not remove the block.
+        """
+        return any(
+            extra_field.is_variant_field
+            or extra_field._render_value(
+                extra_field._get_source_record(product, product_variant)
+            )
+            for extra_field in self
+        )

website_sale_variant_extra_fields/pyproject.toml

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

website_sale_variant_extra_fields/readme/CONTRIBUTORS.md

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+- [Camptocamp](https://www.camptocamp.com/):
+  - Ricardoalso \<<ricardo.almeidasoares@camptocamp.com>\>

website_sale_variant_extra_fields/readme/DESCRIPTION.md

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+The standard *Product Page Extra Fields* configuration lets a website manager
+pick product fields to display on the shop product page. It only supports
+char and binary fields on the product template, and the displayed value is
+read once when the page loads, so it never updates when the customer switches
+variants.
+
+This module removes both limitations:
+
+- product variant fields can be selected, in addition to product template
+  fields;
+- more field types are supported: numbers, dates, datetimes, dropdown
+  (selection) values and linked records, in addition to char and binary
+  fields;
+- when a variant field is selected, its value refreshes live on the product
+  page as soon as the customer picks a different combination of attributes.
+  - decimal numbers are displayed with the number of decimals configured for the
+  selected field.

website_sale_variant_extra_fields/readme/USAGE.md

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+1.  Go to *Website \> Configuration \> Settings* and open the
+    *Product Page Extra Fields* configuration of the website.
+2.  Add a line and pick any field of a product or of a product variant. Text,
+    file, number, date, date and time, dropdown, and linked record fields are
+    available.
+3.  Go to the shop and open a product page. The label and the value of each
+    selected field are displayed below the product details (if the field has a value on the displayed product or variant).
+4.  Select another variant attribute on that page. The values coming from a product.variant field are updated immediately,
+    while the values coming from a product.template field stay unchanged.
+
+A variant field with no value on the displayed variant is simply hidden, and
+appears again as soon as the customer selects a variant that has a value.