stock_usability: Add 'set qty to 0' button on return wizard

stock_usability/__init__.py

@@ -4,3 +4,4 @@ from . import stock
 from . import procurement
 from . import product
 from . import partner
+from . import wizard

stock_usability/__manifest__.py

@@ -30,6 +30,7 @@ This module has been written by Alexis de Lattre from Akretion <alexis.delattre@
         'stock_view.xml',
         'procurement_view.xml',
         'security/ir.model.access.csv',
+        'wizard/stock_picking_return_view.xml',
         ],
     'installable': True,
 }

stock_usability/wizard/__init__.py

@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import stock_picking_return

stock_usability/wizard/stock_picking_return.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# Copyright 2020 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class StockReturnPicking(models.TransientModel):
+    _inherit = 'stock.return.picking'
+
+    def set_quantity_zero(self):
+        self.ensure_one()
+        self.product_return_moves.write({'quantity': 0})
+        action = self.env.ref('stock.act_stock_return_picking').read()[0]
+        action['res_id'] = self.id
+        return action

stock_usability/wizard/stock_picking_return_view.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_stock_return_picking_form" model="ir.ui.view">
+    <field name="model">stock.return.picking</field>
+    <field name="inherit_id" ref="stock.view_stock_return_picking_form"/>
+    <field name="arch" type="xml">
+        <field name="product_return_moves" position="before">
+            <button name="set_quantity_zero" type="object"
+                 string="⇒ Set quantities to 0" class="oe_link oe_right" colspan="2"/>
+        </field>
+    </field>
+</record>
+
+
+</odoo>