Add product_barcode in SO lines, PO lines, stock move lines and invoice lines with optional="hide"

Show warning about double VAT partner even when not in editable mode

stock_usability/models/stock_move.py

@@ -2,7 +2,7 @@
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import models, _
+from odoo import fields, models, _
 from odoo.exceptions import UserError
 import logging
 
@@ -12,6 +12,9 @@ logger = logging.getLogger(__name__)
 class StockMove(models.Model):
     _inherit = 'stock.move'
 
+    # for optional display in tree view
+    product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+
 #    def name_get(self):
 #        '''name_get of stock_move is important for the reservation of the
 #        quants: so want to add the name of the customer and the expected date
@@ -49,6 +52,9 @@ class StockMove(models.Model):
 class StockMoveLine(models.Model):
     _inherit = 'stock.move.line'
 
+    # for optional display in tree view
+    product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+
     # TODO: I think it's not complete
     def button_do_unreserve(self):
         for moveline in self: