[ML] Single Metric Viewer: Fix time bounds with custom strings. (#55045)

Makes sure to set bounds via timefilter.getBounds() again and not infer directly from globalState to correctly consider custom strings like now-15m.

Author: walterra

x-pack/legacy/plugins/ml/public/application/components/navigation_menu/top_nav/top_nav.tsx

@@ -23,12 +23,14 @@ interface Duration {
 
 function getRecentlyUsedRangesFactory(timeHistory: TimeHistory) {
   return function(): Duration[] {
-    return timeHistory.get().map(({ from, to }: TimeRange) => {
-      return {
-        start: from,
-        end: to,
-      };
-    });
+    return (
+      timeHistory.get()?.map(({ from, to }: TimeRange) => {
+        return {
+          start: from,
+          end: to,
+        };
+      }) ?? []
+    );
   };
 }
 
@@ -54,9 +56,18 @@ export const TopNav: FC = () => {
 
   useEffect(() => {
     const subscriptions = new Subscription();
-    subscriptions.add(timefilter.getRefreshIntervalUpdate$().subscribe(timefilterUpdateListener));
-    subscriptions.add(timefilter.getTimeUpdate$().subscribe(timefilterUpdateListener));
-    subscriptions.add(timefilter.getEnabledUpdated$().subscribe(timefilterUpdateListener));
+    const refreshIntervalUpdate$ = timefilter.getRefreshIntervalUpdate$();
+    if (refreshIntervalUpdate$ !== undefined) {
+      subscriptions.add(refreshIntervalUpdate$.subscribe(timefilterUpdateListener));
+    }
+    const timeUpdate$ = timefilter.getTimeUpdate$();
+    if (timeUpdate$ !== undefined) {
+      subscriptions.add(timeUpdate$.subscribe(timefilterUpdateListener));
+    }
+    const enabledUpdated$ = timefilter.getEnabledUpdated$();
+    if (enabledUpdated$ !== undefined) {
+      subscriptions.add(enabledUpdated$.subscribe(timefilterUpdateListener));
+    }
 
     return function cleanup() {
       subscriptions.unsubscribe();

x-pack/legacy/plugins/ml/public/application/routing/routes/index.ts

@@ -10,6 +10,6 @@ export * from './new_job';
 export * from './datavisualizer';
 export * from './settings';
 export * from './data_frame_analytics';
-export * from './timeseriesexplorer';
+export { timeSeriesExplorerRoute } from './timeseriesexplorer';
 export * from './explorer';
 export * from './access_denied';

x-pack/legacy/plugins/ml/public/application/routing/routes/timeseriesexplorer.test.tsx

@@ -0,0 +1,34 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import React from 'react';
+import { MemoryRouter } from 'react-router-dom';
+import { render } from '@testing-library/react';
+
+import { I18nProvider } from '@kbn/i18n/react';
+
+import { TimeSeriesExplorerUrlStateManager } from './timeseriesexplorer';
+
+jest.mock('ui/new_platform');
+
+describe('TimeSeriesExplorerUrlStateManager', () => {
+  test('Initial render shows "No single metric jobs found"', () => {
+    const props = {
+      config: { get: () => 'Browser' },
+      jobsWithTimeRange: [],
+    };
+
+    const { container } = render(
+      <I18nProvider>
+        <MemoryRouter>
+          <TimeSeriesExplorerUrlStateManager {...props} />
+        </MemoryRouter>
+      </I18nProvider>
+    );
+
+    expect(container.textContent).toContain('No single metric jobs found');
+  });
+});

x-pack/legacy/plugins/ml/public/application/routing/routes/timeseriesexplorer.tsx

@@ -74,7 +74,7 @@ interface TimeSeriesExplorerUrlStateManager {
   jobsWithTimeRange: MlJobWithTimeRange[];
 }
 
-const TimeSeriesExplorerUrlStateManager: FC<TimeSeriesExplorerUrlStateManager> = ({
+export const TimeSeriesExplorerUrlStateManager: FC<TimeSeriesExplorerUrlStateManager> = ({
   config,
   jobsWithTimeRange,
 }) => {
@@ -102,23 +102,27 @@ const TimeSeriesExplorerUrlStateManager: FC<TimeSeriesExplorerUrlStateManager> =
     timefilter.enableAutoRefreshSelector();
   }, []);
 
+  // We cannot simply infer bounds from the globalState's `time` attribute
+  // with `moment` since it can contain custom strings such as `now-15m`.
+  // So when globalState's `time` changes, we update the timefilter and use
+  // `timefilter.getBounds()` to update `bounds` in this component's state.
+  const [bounds, setBounds] = useState<TimeRangeBounds | undefined>(undefined);
   useEffect(() => {
     if (globalState?.time !== undefined) {
       timefilter.setTime({
         from: globalState.time.from,
         to: globalState.time.to,
       });
+
+      const timefilterBounds = timefilter.getBounds();
+      // Only if both min/max bounds are valid moment times set the bounds.
+      // An invalid string restored from globalState might return `undefined`.
+      if (timefilterBounds?.min !== undefined && timefilterBounds?.max !== undefined) {
+        setBounds(timefilter.getBounds());
+      }
     }
   }, [globalState?.time?.from, globalState?.time?.to]);
 
-  let bounds: TimeRangeBounds | undefined;
-  if (globalState?.time !== undefined) {
-    bounds = {
-      min: moment(globalState.time.from),
-      max: moment(globalState.time.to),
-    };
-  }
-
   const selectedJobIds = globalState?.ml?.jobIds;
   // Sort selectedJobIds so we can be sure comparison works when stringifying.
   if (Array.isArray(selectedJobIds)) {
@@ -140,14 +144,17 @@ const TimeSeriesExplorerUrlStateManager: FC<TimeSeriesExplorerUrlStateManager> =
   }, [JSON.stringify(selectedJobIds)]);
 
   // Next we get globalState and appState information to pass it on as props later.
-  // If a job change is going on, we fall back to defaults (as if appState was already cleard),
+  // If a job change is going on, we fall back to defaults (as if appState was already cleared),
   // otherwise the page could break.
   const selectedDetectorIndex = isJobChange
     ? 0
     : +appState?.mlTimeSeriesExplorer?.detectorIndex || 0;
   const selectedEntities = isJobChange ? undefined : appState?.mlTimeSeriesExplorer?.entities;
   const selectedForecastId = isJobChange ? undefined : appState?.mlTimeSeriesExplorer?.forecastId;
-  const zoom = isJobChange ? undefined : appState?.mlTimeSeriesExplorer?.zoom;
+  const zoom: {
+    from: string;
+    to: string;
+  } = isJobChange ? undefined : appState?.mlTimeSeriesExplorer?.zoom;
 
   const selectedJob = selectedJobIds && mlJobService.getJob(selectedJobIds[0]);
 

x-pack/legacy/plugins/ml/public/application/timeseriesexplorer/timeseriesexplorer.d.ts

@@ -4,18 +4,25 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { Timefilter } from 'ui/timefilter';
 import { FC } from 'react';
 
+import { Timefilter } from 'ui/timefilter';
+
+import { getDateFormatTz, TimeRangeBounds } from '../explorer/explorer_utils';
+
 declare const TimeSeriesExplorer: FC<{
   appStateHandler: (action: string, payload: any) => void;
+  autoZoomDuration?: number;
+  bounds?: TimeRangeBounds;
   dateFormatTz: string;
+  jobsWithTimeRange: any[];
+  lastRefresh: number;
   selectedJobIds: string[];
   selectedDetectorIndex: number;
   selectedEntities: any[];
   selectedForecastId: string;
   setGlobalState: (arg: any) => void;
   tableInterval: string;
   tableSeverity: number;
-  timefilter: Timefilter;
+  zoom?: { from: string; to: string };
 }>;

x-pack/legacy/plugins/ml/public/application/timeseriesexplorer/timeseriesexplorer.js

@@ -195,8 +195,10 @@ export class TimeSeriesExplorer extends React.Component {
     selectedDetectorIndex: PropTypes.number,
     selectedEntities: PropTypes.object,
     selectedForecastId: PropTypes.string,
+    setGlobalState: PropTypes.func.isRequired,
     tableInterval: PropTypes.string,
     tableSeverity: PropTypes.number,
+    zoom: PropTypes.object,
   };
 
   state = getTimeseriesexplorerDefaultState();
@@ -481,7 +483,7 @@ export class TimeSeriesExplorer extends React.Component {
       zoom,
     } = this.props;
 
-    if (selectedJobIds === undefined) {
+    if (selectedJobIds === undefined || bounds === undefined) {
       return;
     }