1 files changed, 39 insertions, 26 deletions
diff --git a/app/assets/javascripts/monitoring/utils.js b/app/assets/javascripts/monitoring/utils.js
index ef309c8a398..46b01f753f8 100644
--- a/app/assets/javascripts/monitoring/utils.js
+++ b/app/assets/javascripts/monitoring/utils.js
@@ -1,33 +1,46 @@
-import { timeWindows } from './constants';
+import { secondsIn, timeWindowsKeyNames } from './constants';
 
-/**
- * method that converts a predetermined time window to minutes
- * defaults to 8 hours as the default option
- * @param {String} timeWindow - The time window to convert to minutes
- * @returns {number} The time window in minutes
- */
-const getTimeDifferenceSeconds = timeWindow => {
-  switch (timeWindow) {
-    case timeWindows.thirtyMinutes:
-      return 60 * 30;
-    case timeWindows.threeHours:
-      return 60 * 60 * 3;
-    case timeWindows.oneDay:
-      return 60 * 60 * 24 * 1;
-    case timeWindows.threeDays:
-      return 60 * 60 * 24 * 3;
-    case timeWindows.oneWeek:
-      return 60 * 60 * 24 * 7 * 1;
-    default:
-      return 60 * 60 * 8;
-  }
+export const getTimeDiff = timeWindow => {
+  const end = Math.floor(Date.now() / 1000); // convert milliseconds to seconds
+  const difference = secondsIn[timeWindow] || secondsIn.eightHours;
+  const start = end - difference;
+
+  return {
+    start: new Date(start * 1000).toISOString(),
+    end: new Date(end * 1000).toISOString(),
+  };
 };
 
-export const getTimeDiff = selectedTimeWindow => {
-  const end = Date.now() / 1000; // convert milliseconds to seconds
-  const start = end - getTimeDifferenceSeconds(selectedTimeWindow);
+export const getTimeWindow = ({ start, end }) =>
+  Object.entries(secondsIn).reduce((acc, [timeRange, value]) => {
+    if (end - start === value) {
+      return timeRange;
+    }
+    return acc;
+  }, timeWindowsKeyNames.eightHours);
+
+/**
+ * This method is used to validate if the graph data format for a chart component
+ * that needs a time series as a response from a prometheus query (query_range) is
+ * of a valid format or not.
+ * @param {Object} graphData  the graph data response from a prometheus request
+ * @returns {boolean} whether the graphData format is correct
+ */
+export const graphDataValidatorForValues = (isValues, graphData) => {
+  const responseValueKeyName = isValues ? 'value' : 'values';
 
-  return { start, end };
+  return (
+    Array.isArray(graphData.queries) &&
+    graphData.queries.filter(query => {
+      if (Array.isArray(query.result)) {
+        return (
+          query.result.filter(res => Array.isArray(res[responseValueKeyName])).length ===
+          query.result.length
+        );
+      }
+      return false;
+    }).length === graphData.queries.length
+  );
 };
 
 export default {};