send mail only if SMTP was configured

app/api/helpers/tasks.py

@@ -17,7 +17,7 @@
 from app.api.helpers.utilities import strip_tags
 from app.models.session import Session
 from app.models.speaker import Speaker
-
+from app.api.helpers.mail import check_smtp_config
 
 """
 Define all API v2 celery tasks here
@@ -183,15 +183,21 @@ def export_event_task(self, email, event_id, settings):
         result = {
             'download_url': download_url
         }
+
         logging.info('Exporting done.. sending email')
-        send_export_mail(email=email, event_name=event.name, download_url=download_url)
+        if check_smtp_config:
+            send_export_mail(email=email, event_name=event.name, download_url=download_url)
+        else:
+            logging.warning('Error in sending export success mail')
         send_notif_after_export(user=user, event_name=event.name, download_url=download_url)
     except Exception as e:
         result = {'__error': True, 'result': str(e)}
         logging.warning('Error in exporting.. sending email')
-        send_export_mail(email=email, event_name=event.name, error_text=str(e))
+        if check_smtp_config:
+            send_export_mail(email=email, event_name=event.name, error_text=str(e))
+        else:
+            logging.warning('Error in sending export error mail')
         send_notif_after_export(user=user, event_name=event.name, error_text=str(e))
-
     return result