From a005e4568f14f32be23c317dc484b904ddc71dd9 Mon Sep 17 00:00:00 2001
From: Grace Guo <grace.guo@airbnb.com>
Date: Tue, 11 Feb 2020 13:11:17 -0800
Subject: [PATCH] [logging] Add data_age for cached chart (#9121)

* [logging] Add data_age for cached chart

* set data_age be null when is not cached data
---
 superset-frontend/src/chart/chartAction.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/superset-frontend/src/chart/chartAction.js b/superset-frontend/src/chart/chartAction.js
index 3563725232c95..657d0be8c167e 100644
--- a/superset-frontend/src/chart/chartAction.js
+++ b/superset-frontend/src/chart/chartAction.js
@@ -18,6 +18,7 @@
  */
 /* eslint no-undef: 'error' */
 /* eslint no-param-reassign: ["error", { "props": false }] */
+import moment from 'moment';
 import { t } from '@superset-ui/translation';
 import { SupersetClient } from '@superset-ui/connection';
 import { isFeatureEnabled, FeatureFlag } from 'src/featureFlags';
@@ -254,6 +255,9 @@ export function exploreJSON(
             has_extra_filters:
               formData.extra_filters && formData.extra_filters.length > 0,
             viz_type: formData.viz_type,
+            data_age: json.is_cached
+              ? moment(new Date()).diff(moment.utc(json.cached_dttm))
+              : null,
           }),
         );
         return dispatch(chartUpdateSucceeded(json, key));