[ADD] sale_end_partner

sale_end_partner/README.rst

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+================
+Sale End Partner
+================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:e2189bcddcbb1aff8a5a5140465abaa48d95c4e22582f54ecaa5c7375f9cfed5
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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--workflow-lightgray.png?logo=github
+    :target: https://github.com/OCA/sale-workflow/tree/16.0/sale_end_partner
+    :alt: OCA/sale-workflow
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/sale-workflow-16-0/sale-workflow-16-0-sale_end_partner
+    :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-workflow&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module introduces the end_partner_id field in both sales and invoices, ensuring its propagation from sales orders to invoices.
+Additionally, this field enables grouping in sales and invoice analysis.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Use Cases / Context
+===================
+
+In a wholesale company, products are distributed to agents, who then sell them to end customers.
+The company also wants to analyze sales based on the end customer, not just the agent.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/sale-workflow/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-workflow/issues/new?body=module:%20sale_end_partner%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
+
+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-workflow <https://github.com/OCA/sale-workflow/tree/16.0/sale_end_partner>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

sale_end_partner/__init__.py

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+from . import models
+from . import reports

sale_end_partner/__manifest__.py

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+# Copyright 2025 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Sale End Partner",
+    "version": "16.0.1.0.0",
+    "category": "Sale",
+    "author": "Quartile, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/sale-workflow",
+    "depends": ["sale"],
+    "license": "AGPL-3",
+    "data": [
+        "reports/account_invoice_report_views.xml",
+        "reports/sale_report_views.xml",
+        "views/account_move_views.xml",
+        "views/sale_order_views.xml",
+    ],
+    "installable": True,
+}

sale_end_partner/models/__init__.py

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+from . import account_move
+from . import sale_order

sale_end_partner/models/account_move.py

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+# Copyright 2025 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    end_partner_id = fields.Many2one(
+        "res.partner",
+        string="End Customer",
+        readonly=True,
+        tracking=True,
+        states={"draft": [("readonly", False)]},
+        ondelete="restrict",
+        check_company=True,
+    )

sale_end_partner/models/sale_order.py

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+# Copyright 2025 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    end_partner_id = fields.Many2one(
+        "res.partner",
+        string="End Customer",
+        tracking=True,
+        states={state: [("readonly", True)] for state in {"sale", "done", "cancel"}},
+        domain="[('type', '!=', 'private'), ('company_id', 'in', (False, company_id))]",
+    )
+
+    def _prepare_invoice(self):
+        invoice_vals = super()._prepare_invoice()
+        invoice_vals["end_partner_id"] = self.end_partner_id.id
+        return invoice_vals

sale_end_partner/readme/CONTEXT.rst

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+In a wholesale company, products are distributed to agents, who then sell them to end customers.
+The company also wants to analyze sales based on the end customer, not just the agent.

sale_end_partner/readme/DESCRIPTION.rst

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+This module introduces the end_partner_id field in both sales and invoices, ensuring its propagation from sales orders to invoices.
+Additionally, this field enables grouping in sales and invoice analysis.

sale_end_partner/reports/__init__.py

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+from . import account_invoice_report
+from . import sale_report

sale_end_partner/reports/account_invoice_report.py

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+# Copyright 2025 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountInvoiceReport(models.Model):
+    _inherit = "account.invoice.report"
+
+    end_partner_id = fields.Many2one("res.partner", string="End Customer")
+
+    def _select(self):
+        select_str = super()._select()
+        select_str += """
+            , move.end_partner_id as end_partner_id
+            """
+        return select_str

sale_end_partner/reports/account_invoice_report_views.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="view_account_invoice_report_search" model="ir.ui.view">
+        <field name="inherit_id" ref="account.view_account_invoice_report_search" />
+        <field name="model">account.invoice.report</field>
+        <field name="arch" type="xml">
+            <filter name="user" position="after">
+                <filter
+                    string="End Customer"
+                    name="end_partner_id"
+                    context="{'group_by':'end_partner_id'}"
+                />
+            </filter>
+        </field>
+    </record>
+</odoo>

sale_end_partner/reports/sale_report.py

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+# Copyright 2025 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class SaleReport(models.Model):
+    _inherit = "sale.report"
+
+    end_partner_id = fields.Many2one("res.partner", string="End Customer")
+
+    def _select_additional_fields(self):
+        res = super()._select_additional_fields()
+        res["end_partner_id"] = "s.end_partner_id"
+        return res
+
+    def _group_by_sale(self):
+        res = super()._group_by_sale()
+        res += """,
+            s.end_partner_id"""
+        return res

sale_end_partner/reports/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="inherit_id" ref="sale.view_order_product_search" />
+        <field name="model">sale.report</field>
+        <field name="arch" type="xml">
+            <filter name="User" position="after">
+                <filter
+                    string="End Customer"
+                    name="end_partner_id"
+                    context="{'group_by':'end_partner_id'}"
+                />
+            </filter>
+        </field>
+    </record>
+</odoo>