fixed issue preventing sending alerts (#998)

Author: juanpablosalas

DMOps/file_invalidation_server/fi_manager/views.py

@@ -100,12 +100,14 @@ def post(self, request, *args, **kwargs):
             else:
                 input_vals = {'request_id':request_id,'file_name':fn,'status':'waiting_approval','mode':mode,'dry_run':dry_run,'reason':reason,'global_invalidate_last_replicas':global_invalidate_last_replicas,'request_user':user, 'rse': rse}
                 file_record = FileInvalidationRequests.objects.create(**input_vals)
+                try:
+                    send_approval_alert(request_id)
+                except Exception as e:
+                    logging.warning(f"The approval alert for {request_id} was not sent.",exc_info=e)
                 cnt += 1
 
         logging.info(f'{cnt} of {len(file_lines)} files were created in the database with waiting_approval status.')
 
-        send_approval_alert(request_id)
-
         response_message = raw_file_message + already_serviced_files
 
         return Response({"message": response_message,