[ADD] delivery: delivery.carrier must follow the same multi-company rules than the products they reference

addons/delivery/__manifest__.py

@@ -16,6 +16,7 @@ invoices from picking, the system is able to add and compute the shipping line.
     'depends': ['sale_stock'],
     'data': [
         'security/ir.model.access.csv',
+        'security/delivery_carrier_security.xml',
         'views/product_packaging_view.xml',
         'views/delivery_view.xml',
         'views/partner_view.xml',

addons/delivery/models/delivery_carrier.py

@@ -38,6 +38,7 @@ class DeliveryCarrier(models.Model):
     delivery_type = fields.Selection([('fixed', 'Fixed Price')], string='Provider', default='fixed', required=True)
     integration_level = fields.Selection([('rate', 'Get Rate'), ('rate_and_ship', 'Get Rate and Create Shipment')], string="Integration Level", default='rate_and_ship', help="Action while validating Delivery Orders")
     prod_environment = fields.Boolean("Environment", help="Set to True if your credentials are certified for production.")
+    company_id = fields.Many2one('res.company', string='Company', related='product_id.company_id', store=True)
 
     product_type = fields.Selection(related='product_id.type', default='service')
     product_sale_ok = fields.Boolean(related='product_id.sale_ok', default=False)

addons/delivery/security/delivery_carrier_security.xml

@@ -0,0 +1,11 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+  <data noupdate="1">
+    <record model="ir.rule" id="delivery_carrier_comp_rule">
+      <field name="name">Delivery Carrier multi-company</field>
+      <field name="model_id" ref="model_delivery_carrier"/>
+      <field name="global" eval="True"/>
+      <field name="domain_force"> ['|',('company_id','=',user.company_id.id),('company_id','=',False)]</field>
+    </record>
+  </data>
+</odoo>

addons/delivery/views/delivery_view.xml

@@ -88,6 +88,9 @@
                                     <field nolabel="1" name="amount" attrs="{'required':[('free_over','!=', False)], 'invisible':[('free_over','=', False)]}"/>
                                 </div>
                             </group>
+                            <group>
+                                <field name="company_id"/>
+                            </group>
                         </group>
                         <notebook>
                             <page string="Pricing" attrs="{'invisible': [('delivery_type', 'not in', ['fixed', 'base_on_rule'])]}">