[18.0][ADD] sale_report_product_tag: Add product tag field in Sale Report

sale_report_product_tag/README.rst

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+=======================
+Sale Report Product Tag
+=======================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:b07a67ca959b690b0b7c9bac4086736052c675e84763dca8da8be0ef70d97670
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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-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%2Fsale--reporting-lightgray.png?logo=github
+    :target: https://github.com/OCA/sale-reporting/tree/18.0/sale_report_product_tag
+    :alt: OCA/sale-reporting
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/sale-reporting-18-0/sale-reporting-18-0-sale_report_product_tag
+    :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/sale-reporting&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module extends the **Sales Analysis** report (``sale.report``) to
+allow grouping and filtering by **Product Tag**.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Known issues / Roadmap
+======================
+
+Since product tags are a Many2many field, we had to choose to take the
+first tag in the products. This avoids any double-counting of sales
+figures that would occur with a direct Many2many field. This can be
+improved if we want real figures for every tag in the products
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/sale-reporting/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/sale-reporting/issues/new?body=module:%20sale_report_product_tag%0Aversion:%2018.0%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
+-------
+
+* INVITU
+
+Contributors
+------------
+
+- Cyril VINH-TUNG <cyril@invitu.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/sale-reporting <https://github.com/OCA/sale-reporting/tree/18.0/sale_report_product_tag>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

sale_report_product_tag/__init__.py

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+# Copyright 2026 INVITU (<https://www.invitu.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import report

sale_report_product_tag/__manifest__.py

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+# Copyright 2026 INVITU (<https://www.invitu.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+{
+    "name": "Sale Report Product Tag",
+    "version": "18.0.1.0.0",
+    "author": "INVITU, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/sale-reporting",
+    "category": "Sales",
+    "license": "AGPL-3",
+    "depends": ["sale"],
+    "data": [
+        "report/sale_report_views.xml",
+    ],
+    "installable": True,
+    "auto_install": False,
+}

sale_report_product_tag/pyproject.toml

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

sale_report_product_tag/readme/CONTRIBUTORS.md

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+- Cyril VINH-TUNG \<<cyril@invitu.com>\>

sale_report_product_tag/readme/DESCRIPTION.md

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+This module extends the **Sales Analysis** report (`sale.report`) to allow
+grouping and filtering by **Product Tag**.

sale_report_product_tag/readme/ROADMAP.md

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+Since product tags are a Many2many field, we had to choose to take the first tag
+in the products.
+This avoids any double-counting of sales figures that would occur with a direct
+Many2many field.
+This can be improved if we want real figures for every tag in the products

sale_report_product_tag/report/__init__.py

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+# Copyright 2026 INVITU (<https://www.invitu.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import sale_report

sale_report_product_tag/report/sale_report.py

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+# Copyright 2026 INVITU (<https://www.invitu.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class SaleReport(models.Model):
+    _inherit = "sale.report"
+
+    product_tag_id = fields.Many2one("product.tag", string="Product Tag", readonly=True)
+
+    def _with_sale(self):
+        with_ = super()._with_sale()
+        res = (
+            (with_ + "," if with_ else "")
+            + """
+            first_product_tag AS (
+                SELECT
+                    pt.id AS product_template_id,
+                    (array_agg(ptg.id))[1] AS id
+                FROM product_template pt
+                LEFT JOIN product_tag_product_template_rel ptgpt ON
+                    (pt.id = ptgpt.product_template_id)
+                LEFT JOIN product_tag ptg ON (ptgpt.product_tag_id = ptg.id)
+                GROUP BY pt.id
+            )"""
+        )
+        return res
+
+    def _select_additional_fields(self):
+        res = super()._select_additional_fields()
+        res["product_tag_id"] = "fpt.id"
+        return res
+
+    def _from_sale(self):
+        res = super()._from_sale()
+        res += "LEFT JOIN first_product_tag fpt ON (t.id = fpt.product_template_id)"
+        return res
+
+    def _group_by_sale(self):
+        res = super()._group_by_sale()
+        res += ",fpt.id"
+        return res

sale_report_product_tag/report/sale_report_views.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="view_order_product_search" model="ir.ui.view">
+        <field name="name">sale.report.search</field>
+        <field name="model">sale.report</field>
+        <field name="inherit_id" ref="sale.view_order_product_search" />
+        <field name="priority" eval="8" />
+        <field name="arch" type="xml">
+            <field name="categ_id" position="after">
+                <field name="product_tag_id" />
+            </field>
+            <filter name="Category" position="after">
+                <filter
+                    string="Product Tag"
+                    name="product_tag_id"
+                    context="{'group_by':'product_tag_id'}"
+                />
+            </filter>
+        </field>
+    </record>
+</odoo>