minor fix

mercado_libre.py

@@ -264,18 +264,37 @@ class MercadoLibre(SaleWebChannel):
             SaleLine.create(create_lines)
             return generic
 
+    def validate_sale(self, sale_):
+        if sale_.get('pack_id'):
+            if not sale_.get('shipping'):
+                return
+            shipment_id = sale_['shipping']['id']
+            URI = 'https://api.mercadolibre.com/shipments/%s/items?access_token=%s' % (
+                shipment_id, self.access_token)
+            res = self.get_response(URI)
+            shipment_items = res.json()
+            if len(shipment_items) > 1:
+                for item in shipment_items:
+                    order_id = item['order_id']
+                    ids = ''
+                    if order_id != sale_['order_id']:
+                        URI2 = 'https://api.mercadolibre.com/orders/%s?access_token=%s' % (
+                            order_id, self.access_token)
+                        order = self.get_response(URI2)
+                        sale_order = order.json()
+                        ids += ',', order_id
+                    sale_['order_items'].append(sale_order['order_items'])
+                    sale_['order_id'] = order_id + ids
+                self.create_sale(sale_)
+            else:
+                self.create_sale(sale_)
+        else:
+            self.create_sale(sale_)
+
     def _create_sale(self, sale_):
         _pool = Pool()
         Sale = _pool.get('sale.sale')
 
-        if sale_.get('pack_id'):
-            sales = self.search([
-                    ('pack_id', '=', sale_['pack_id'])
-                ])
-            if sales:
-                self.create_lines_sale(
-                    sales[0], sale_, freight=False)
-                return False
         sales = Sale.search([
             ('reference', '=', str(sale_['id']))
         ])