Update purchase_order.py

odex25_purchase/purchase_requisition_custom/models/purchase_order.py

@@ -8,19 +8,6 @@ from dateutil.relativedelta import relativedelta
 class PurchaseOrderCustom(models.Model):
     _inherit = "purchase.order"
 
-    def _prepare_invoice(self):
-        """Override to include res_id and res_model in the invoice creation values."""
-        # Call the original method using super to get the base invoice values
-        invoice_vals = super(PurchaseOrder, self)._prepare_invoice()
-
-        # Add the res_id and res_model to the invoice values
-        invoice_vals.update({
-            'res_id': self.id,  # Reference to the current purchase order
-            'res_model': 'purchase.order',  # The model of the reference
-        })
-
-        return invoice_vals
-
     def copy(self, default=None):
         data = super(PurchaseOrderCustom, self).copy(default)
         data.email_to_vendor = False
@@ -85,7 +72,7 @@ class PurchaseOrderCustom(models.Model):
 
     def _prepare_invoice(self):
         res = super(PurchaseOrderCustom, self)._prepare_invoice()
-        res.update({'purchase_id': self.id})
+        res.update({'purchase_id': self.id, 'res_id': self.id,'res_model': 'purchase.order'})
         return res
 
     @api.onchange('type')