[FIX] pos_sale: display lot on invoices from POS

When a product is sold from POS, the lot is not present in the invoice.
As in 14.0, this feature is only in sale, we need to have POS and sale
to make it work.

2 files changed, 29 insertions, 0 deletions

diff --git a/addons/pos_sale/models/__init__.py b/addons/pos_sale/models/__init__.py
index a1233390863..a819ee04965 100644
--- a/addons/pos_sale/models/__init__.py
+++ b/addons/pos_sale/models/__init__.py
@@ -5,3 +5,4 @@ from . import pos_config
 from . import pos_order
 from . import crm_team
 from . import pos_session
+from . import account_move
diff --git a/addons/pos_sale/models/account_move.py b/addons/pos_sale/models/account_move.py
new file mode 100644
index 00000000000..2ab94c2c34e
--- /dev/null
+++ b/addons/pos_sale/models/account_move.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import fields, models, api
+
+class AccountMove(models.Model):
+    _inherit = 'account.move'
+
+    def _get_invoiced_lot_values(self):
+        self.ensure_one()
+
+        lot_values = super(AccountMove, self)._get_invoiced_lot_values()
+
+        if self.state == 'draft':
+            return lot_values
+
+        for order in self.pos_order_ids:
+            for line in order.lines:
+                lots = line.pack_lot_ids or False
+                if lots:
+                    for lot in lots:
+                        lot_values.append({
+                            'product_name': lot.product_id.name,
+                            'quantity': line.qty if lot.product_id.tracking == 'lot' else 1.0,
+                            'uom_name': line.product_uom_id.name,
+                            'lot_name': lot.lot_name,
+                        })
+
+        return lot_values