[FIX] point_of_sale: reconcile invoice anglo-saxon lines

Reconcile the stock output lines of the pos.order invoice
for products with real-time valuation. This is to be more
consistent with the sales module.

closes odoo/odoo#38437

Task-id: 2048668
X-original-commit: 1eaea47c
Signed-off-by: pimodoo <pimodoo@users.noreply.github.com>

addons/point_of_sale/models/account_move.py

@@ -9,6 +9,13 @@ class AccountMove(models.Model):
 
     pos_order_ids = fields.One2many('pos.order', 'account_move')
 
+    def _stock_account_get_last_step_stock_moves(self):
+        stock_moves = super(AccountMove, self)._stock_account_get_last_step_stock_moves()
+        for invoice in self.filtered(lambda x: x.type == 'out_invoice'):
+            stock_moves += invoice.mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_dest_id.usage == 'customer')
+        for invoice in self.filtered(lambda x: x.type == 'out_refund'):
+            stock_moves += invoice.mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_id.usage == 'customer')
+        return stock_moves
 
 class AccountMoveLine(models.Model):
     _inherit = 'account.move.line'

addons/point_of_sale/tests/test_pos_stock_account.py

@@ -190,5 +190,9 @@ class TestPoSStock(TestPoSCommon):
         invoiced_output_account_lines = invoiced_order.account_move.line_ids.filtered(lambda line: line.account_id == self.output_account)
         self.assertAlmostEqual(sum(invoiced_output_account_lines.mapped('balance')), -121.0)
 
+        # The stock output account move lines of the invoiced order should be properly reconciled
+        for move_line in invoiced_order.account_move.line_ids.filtered(lambda line: line.account_id == self.output_account):
+            self.assertTrue(move_line.full_reconcile_id)
+
         self.assertTrue(receivable_line_cash.full_reconcile_id, msg='Cash receivable line should be fully-reconciled.')
         self.assertTrue(output_line.full_reconcile_id, msg='The stock output account line should be fully-reconciled.')