[18.0][MIG] stock_move_variation_report: Migration to 18.0

stock_move_variation_report/README.rst

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+=========================================
+Stock Move Report Show Quantity Variation
+=========================================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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-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%2Fstock--logistics--reporting-lightgray.png?logo=github
+    :target: https://github.com/OCA/stock-logistics-reporting/tree/18.0/stock_move_variation_report
+    :alt: OCA/stock-logistics-reporting
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/stock-logistics-reporting-18-0/stock-logistics-reporting-18-0-stock_move_variation_report
+    :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/stock-logistics-reporting&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+The Product Moves Report lists quantities moved for products. However it
+can be hard to identify the stock quantity variations.
+
+This feature adds a column with the quantity variation for each move.
+Incoming moves are a positive variation, and outgoing moves are a
+negative variation.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+Open the menu Inventory / Reporting / Product Moves.
+
+Use the three dot icon on the top left to make the "Qty Variation"
+column visible.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/stock-logistics-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/stock-logistics-reporting/issues/new?body=module:%20stock_move_variation_report%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
+-------
+
+* Open Source Integrators
+
+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/stock-logistics-reporting <https://github.com/OCA/stock-logistics-reporting/tree/18.0/stock_move_variation_report>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

stock_move_variation_report/__init__.py

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+from . import models

stock_move_variation_report/__manifest__.py

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+# © 2025 Daniel Reis - Open Source Integrators
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+{
+    "name": "Stock Move Report Show Quantity Variation",
+    "summary": "Show quantity variation the the Inventory Moves report",
+    "version": "18.0.1.0.0",
+    "category": "Warehouse Management",
+    "website": "https://github.com/OCA/stock-logistics-reporting",
+    "author": "Open Source Integrators, Odoo Community Association (OCA)",
+    "license": "LGPL-3",
+    "depends": ["stock_account"],
+    "data": ["views/stock_move_line_view.xml"],
+}

stock_move_variation_report/models/__init__.py

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+from . import stock_move_line

stock_move_variation_report/models/stock_move_line.py

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+# © 2025 Daniel Reis - Open Source Integrators
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo import api, fields, models
+
+
+class StockMoveLine(models.Model):
+    _inherit = "stock.move.line"
+
+    qty_variation = fields.Float(
+        compute="_compute_qty_variation",
+        store=True,
+    )
+
+    def _get_qty_variation_sign(self):
+        self.ensure_one()
+        if self.move_id._is_in():
+            return 1
+        elif self.move_id._is_out():
+            return -1
+        else:
+            return 0
+
+    @api.depends(
+        "quantity",
+        "move_id.product_uom_qty",
+        "location_id.usage",
+        "location_dest_id.usage",
+    )
+    def _compute_qty_variation(self):
+        for line in self:
+            line.qty_variation = line.quantity * line._get_qty_variation_sign()

stock_move_variation_report/pyproject.toml

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

stock_move_variation_report/readme/DESCRIPTION.md

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+The Product Moves Report lists quantities moved for products.
+However it can be hard to identify the stock quantity variations.
+
+This feature adds a column with the quantity variation for each move.
+Incoming moves are a positive variation, and outgoing moves are a negative variation.

stock_move_variation_report/readme/USAGE.md

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+Open the menu Inventory / Reporting / Product Moves.
+
+Use the three dot icon on the top left to make the "Qty Variation" column visible.