Add direct access to re-ordering rules from stock location

stock_usability/stock.py

@@ -49,6 +49,20 @@ class StockLocationRoute(models.Model):
 class StockWarehouseOrderpoint(models.Model):
     _inherit = 'stock.warehouse.orderpoint'
 
+    # This is for the button shortcut "reordering rules" on
+    # stock.location form view, so that the location_id has the
+    # good value, not the default stock location of the first WH of the company
+    @api.model
+    def default_get(self, fields):
+        res = {}
+        if self._context.get('default_location_id'):
+            location = self.env['stock.location'].browse(
+                self._context['default_location_id'])
+            wh = location.get_warehouse()
+            if location and wh:
+                self = self.with_context(default_warehouse_id=wh.id)
+        return super(StockWarehouseOrderpoint, self).default_get(fields)
+
     # This SQL constraint blocks the use of the "active" field
     # but I think it's not very useful to have such an "active" field
     # on orderpoints ; when you think the order point is bad, you update

stock_usability/stock_view.xml

@@ -205,6 +205,25 @@
     </field>
 </record>
 
+<record id="location_open_orderpoint" model="ir.actions.act_window">
+    <field name="name">Reordering Rules</field>
+    <field name="res_model">stock.warehouse.orderpoint</field>
+    <field name="context">{'default_location_id': active_id, 'search_default_location_id': active_id}</field>
+</record>
+
+<record id="view_location_form" model="ir.ui.view">
+    <field name="name">stock.usability.stock.location.form</field>
+    <field name="model">stock.location</field>
+    <field name="inherit_id" ref="stock.view_location_form"/>
+    <field name="arch" type="xml">
+        <button class="oe_stat_button" icon="fa-filter" position="after">
+            <button type="action" name="%(location_open_orderpoint)d"
+                string="Reordering Rules"
+                class="oe_stat_button" icon="fa-refresh"/>
+        </button>
+    </field>
+</record>
+
 <record id="view_stock_quant_tree" model="ir.ui.view">
     <field name="name">stock.usability.quant.tree</field>
     <field name="model">stock.quant</field>