[16.0][ADD] fleet_vehicle_purchase_link: add new module

fleet_vehicle_purchase_link/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
+
+===========================
+Fleet Vehicle Purchase Link
+===========================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:0bdafb694ee2bf7cb4d2700daabba38fa885ceb18ef56a8feeba48df6cf20e48
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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%2Ffleet-lightgray.png?logo=github
+    :target: https://github.com/OCA/fleet/tree/16.0/fleet_vehicle_purchase_link
+    :alt: OCA/fleet
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/fleet-16-0/fleet-16-0-fleet_vehicle_purchase_link
+    :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/fleet&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module links fleet vehicles to purchases, allowing a vehicle to be set
+on each purchase order line and providing a smart button and menu to navigate
+between vehicles and their related purchases.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To use this module, you need to:
+
+1. Go to the Purchase application and open or create a purchase order.
+2. On each order line, set the related fleet vehicle.
+3. Go to the Fleet application and open a vehicle to see the Purchases smart
+   button with the count of linked purchase order lines; click it to list them.
+4. Go to Fleet > Fleet > Purchases to list the purchase orders that have at
+   least one line linked to a vehicle.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/fleet/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/fleet/issues/new?body=module:%20fleet_vehicle_purchase_link%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
+~~~~~~~
+
+* Escodoo
+
+Contributors
+~~~~~~~~~~~~
+
+* `Escodoo <https://www.escodoo.com.br>`_:
+
+  * Wesley Oliveira <wesley.oliveira@escodoo.com.br>
+
+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-WesleyOliveira98| image:: https://github.com/WesleyOliveira98.png?size=40px
+    :target: https://github.com/WesleyOliveira98
+    :alt: WesleyOliveira98
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-WesleyOliveira98| 
+
+This module is part of the `OCA/fleet <https://github.com/OCA/fleet/tree/16.0/fleet_vehicle_purchase_link>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

fleet_vehicle_purchase_link/__init__.py

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+from . import models

fleet_vehicle_purchase_link/__manifest__.py

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+# Copyright 2026 - TODAY, Escodoo
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Fleet Vehicle Purchase Link",
+    "summary": """
+        Link fleet vehicles to purchase order lines""",
+    "version": "16.0.1.0.0",
+    "license": "AGPL-3",
+    "author": "Escodoo,Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/fleet",
+    "category": "Fleet",
+    "maintainers": ["WesleyOliveira98"],
+    "depends": ["fleet_vehicle_purchase"],
+    "data": [
+        "views/fleet_vehicle_views.xml",
+    ],
+    "installable": True,
+}

fleet_vehicle_purchase_link/i18n/fleet_vehicle_purchase_link.pot

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* fleet_vehicle_purchase_link
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 16.0\n"
+"Report-Msgid-Bugs-To: \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: fleet_vehicle_purchase_link
+#. odoo-python
+#: code:addons/fleet_vehicle_purchase_link/models/fleet_vehicle.py:0
+#: model:ir.model.fields,field_description:fleet_vehicle_purchase_link.field_fleet_vehicle__purchase_line_count
+#, python-format
+msgid "Purchase Lines"
+msgstr ""
+
+#. module: fleet_vehicle_purchase_link
+#: model:ir.actions.act_window,name:fleet_vehicle_purchase_link.purchase_order_with_vehicle_action
+#: model:ir.ui.menu,name:fleet_vehicle_purchase_link.fleet_purchase_menu
+#: model_terms:ir.ui.view,arch_db:fleet_vehicle_purchase_link.fleet_vehicle_view_form_inherit
+msgid "Purchases"
+msgstr ""
+
+#. module: fleet_vehicle_purchase_link
+#: model:ir.model,name:fleet_vehicle_purchase_link.model_fleet_vehicle
+msgid "Vehicle"
+msgstr ""

fleet_vehicle_purchase_link/models/__init__.py

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+from . import fleet_vehicle

fleet_vehicle_purchase_link/models/fleet_vehicle.py

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+# Copyright 2026 - TODAY, Wesley Oliveira <wesley.oliveira@escodoo.com.br>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, fields, models
+
+
+class FleetVehicle(models.Model):
+    _inherit = "fleet.vehicle"
+
+    purchase_line_count = fields.Integer(
+        string="Purchase Lines",
+        compute="_compute_purchase_line_count",
+    )
+
+    def _compute_purchase_line_count(self):
+        line_model = self.env["purchase.order.line"]
+        for vehicle in self:
+            vehicle.purchase_line_count = line_model.search_count(
+                [
+                    ("fleet_vehicle_id", "=", vehicle.id),
+                ]
+            )
+
+    def action_view_purchase_lines(self):
+        self.ensure_one()
+        return {
+            "name": _("Purchase Lines"),
+            "type": "ir.actions.act_window",
+            "res_model": "purchase.order.line",
+            "view_mode": "tree,form",
+            "domain": [("fleet_vehicle_id", "=", self.id)],
+            "context": {"default_fleet_vehicle_id": self.id},
+        }

fleet_vehicle_purchase_link/readme/CONTRIBUTORS.rst

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+* `Escodoo <https://www.escodoo.com.br>`_:
+
+  * Wesley Oliveira <wesley.oliveira@escodoo.com.br>

fleet_vehicle_purchase_link/readme/DESCRIPTION.rst

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+This module links fleet vehicles to purchases, allowing a vehicle to be set
+on each purchase order line and providing a smart button and menu to navigate
+between vehicles and their related purchases.

fleet_vehicle_purchase_link/readme/USAGE.rst

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+To use this module, you need to:
+
+1. Go to the Purchase application and open or create a purchase order.
+2. On each order line, set the related fleet vehicle.
+3. Go to the Fleet application and open a vehicle to see the Purchases smart
+   button with the count of linked purchase order lines; click it to list them.
+4. Go to Fleet > Fleet > Purchases to list the purchase orders that have at
+   least one line linked to a vehicle.