controllers/main.py

@@ -29,6 +29,8 @@ class CustomerPortal(CustomerPortal):
             response = Response()
             response.data = base64.b64decode(contract.document)
             response.mimetype = "application/pdf"
+            fn = contract.name
+            response.headers['Content-Disposition'] = 'inline; filename="' + fn + '"'
             return response
 
     @http.route(

templates/operation_templates_page.xml

@@ -74,9 +74,7 @@
                                             </a>
                                         </td>
                                         <td t-att-data-order="c.date_app">
-                                            <t
-                                                t-out="c.date_app.strftime('%d/%m/%Y')"
-                                            />
+                                            <t t-out="c.date_app.strftime('%d/%m/%Y') if c.date_app else ''" />
                                         </td>
                                         <td>
                                             <t t-out="c.name" />