[FIX] connector_oxigesti: set the default code on the first created v…

…ariant

connector_oxigesti/models/product_template/binding.py

@@ -6,6 +6,20 @@
 from odoo.exceptions import ValidationError
 
 
+class ProductProduct(models.Model):
+    _inherit = "product.product"
+
+    # TODO: Review move the default_code logic (required) in a separate module.
+    @api.model_create_multi
+    def create(self, vals_list):
+        records = super().create(vals_list)
+        for product_tmpl in records.product_tmpl_id:
+            if not any(product_tmpl.product_variant_ids.mapped("default_code")):
+                first_variant = product_tmpl.product_variant_ids.sorted("id")[0]
+                first_variant.default_code = product_tmpl.default_code
+        return records
+
+
 class ProductTemplate(models.Model):
     _inherit = "product.template"