[CTI] ensures isThreatIntelModuleEnabled query for Overview page is made only once (#104523)

x-pack/plugins/security_solution/public/overview/components/overview_cti_links/cti_enabled_module.tsx

@@ -6,12 +6,14 @@
  */
 
 import React from 'react';
-import { ThreatIntelLinkPanelProps } from './index';
+import { ThreatIntelLinkPanelProps } from '.';
 import { useCtiEventCounts } from '../../containers/overview_cti_links/use_cti_event_counts';
 import { CtiNoEvents } from './cti_no_events';
 import { CtiWithEvents } from './cti_with_events';
 
-export const CtiEnabledModuleComponent: React.FC<ThreatIntelLinkPanelProps> = (props) => {
+export type CtiEnabledModuleProps = Omit<ThreatIntelLinkPanelProps, 'isThreatIntelModuleEnabled'>;
+
+export const CtiEnabledModuleComponent: React.FC<CtiEnabledModuleProps> = (props) => {
   const { eventCountsByDataset, totalCount } = useCtiEventCounts(props);
   const { to, from } = props;
 

x-pack/plugins/security_solution/public/overview/components/overview_cti_links/cti_no_events.tsx

@@ -23,7 +23,7 @@ const warning = (
 
 export const CtiNoEventsComponent = ({ to, from }: { to: string; from: string }) => {
   const { buttonHref, listItems, isDashboardPluginDisabled } = useCtiDashboardLinks(
-    { ...emptyEventCountsByDataset },
+    emptyEventCountsByDataset,
     to,
     from
   );

x-pack/plugins/security_solution/public/overview/components/overview_cti_links/cti_with_events.tsx

@@ -6,6 +6,7 @@
  */
 
 import React from 'react';
+import { isEqual } from 'lodash';
 import { useCtiDashboardLinks } from '../../containers/overview_cti_links';
 import { ThreatIntelPanelView } from './threat_intel_panel_view';
 
@@ -38,4 +39,11 @@ export const CtiWithEventsComponent = ({
 
 CtiWithEventsComponent.displayName = 'CtiWithEvents';
 
-export const CtiWithEvents = React.memo(CtiWithEventsComponent);
+export const CtiWithEvents = React.memo(
+  CtiWithEventsComponent,
+  (prevProps, nextProps) =>
+    prevProps.to === nextProps.to &&
+    prevProps.from === nextProps.from &&
+    prevProps.totalCount === nextProps.totalCount &&
+    isEqual(prevProps.eventCountsByDataset, nextProps.eventCountsByDataset)
+);

x-pack/plugins/security_solution/public/overview/components/overview_cti_links/index.test.tsx

@@ -20,14 +20,9 @@ import {
   SUB_PLUGINS_REDUCER,
 } from '../../../common/mock';
 import { mockTheme, mockProps } from './mock';
-import { useIsThreatIntelModuleEnabled } from '../../containers/overview_cti_links/use_is_threat_intel_module_enabled';
 
 jest.mock('../../../common/lib/kibana');
 
-jest.mock('../../containers/overview_cti_links/use_is_threat_intel_module_enabled');
-const useIsThreatIntelModuleEnabledMock = useIsThreatIntelModuleEnabled as jest.Mock;
-useIsThreatIntelModuleEnabledMock.mockReturnValue(true);
-
 describe('ThreatIntelLinkPanel', () => {
   const state: State = mockGlobalState;
 
@@ -44,7 +39,7 @@ describe('ThreatIntelLinkPanel', () => {
       <Provider store={store}>
         <I18nProvider>
           <ThemeProvider theme={mockTheme}>
-            <ThreatIntelLinkPanel {...mockProps} />
+            <ThreatIntelLinkPanel {...mockProps} isThreatIntelModuleEnabled={true} />
           </ThemeProvider>
         </I18nProvider>
       </Provider>
@@ -54,12 +49,11 @@ describe('ThreatIntelLinkPanel', () => {
   });
 
   it('renders CtiDisabledModule when Threat Intel module is disabled', () => {
-    useIsThreatIntelModuleEnabledMock.mockReturnValueOnce(false);
     const wrapper = mount(
       <Provider store={store}>
         <I18nProvider>
           <ThemeProvider theme={mockTheme}>
-            <ThreatIntelLinkPanel {...mockProps} />
+            <ThreatIntelLinkPanel {...mockProps} isThreatIntelModuleEnabled={false} />
           </ThemeProvider>
         </I18nProvider>
       </Provider>
@@ -69,12 +63,11 @@ describe('ThreatIntelLinkPanel', () => {
   });
 
   it('renders null while Threat Intel module state is loading', () => {
-    useIsThreatIntelModuleEnabledMock.mockReturnValueOnce(undefined);
     const wrapper = mount(
       <Provider store={store}>
         <I18nProvider>
           <ThemeProvider theme={mockTheme}>
-            <ThreatIntelLinkPanel {...mockProps} />
+            <ThreatIntelLinkPanel {...mockProps} isThreatIntelModuleEnabled={undefined} />
           </ThemeProvider>
         </I18nProvider>
       </Provider>

x-pack/plugins/security_solution/public/overview/components/overview_cti_links/index.tsx

@@ -8,19 +8,18 @@
 import React from 'react';
 
 import { GlobalTimeArgs } from '../../../common/containers/use_global_time';
-import { useIsThreatIntelModuleEnabled } from '../../containers/overview_cti_links/use_is_threat_intel_module_enabled';
 import { CtiEnabledModule } from './cti_enabled_module';
 import { CtiDisabledModule } from './cti_disabled_module';
 
 export type ThreatIntelLinkPanelProps = Pick<
   GlobalTimeArgs,
   'from' | 'to' | 'deleteQuery' | 'setQuery'
->;
+> & {
+  isThreatIntelModuleEnabled: boolean | undefined;
+};
 
 const ThreatIntelLinkPanelComponent: React.FC<ThreatIntelLinkPanelProps> = (props) => {
-  const isThreatIntelModuleEnabled = useIsThreatIntelModuleEnabled();
+  switch (props.isThreatIntelModuleEnabled) {
-
-  switch (isThreatIntelModuleEnabled) {
     case true:
       return <CtiEnabledModule {...props} data-test-subj="cti-enabled-module" />;
     case false:

x-pack/plugins/security_solution/public/overview/containers/overview_cti_links/use_cti_event_counts.ts

@@ -6,19 +6,14 @@
  */
 
 import { useEffect, useState, useMemo } from 'react';
-import { ThreatIntelLinkPanelProps } from '../../components/overview_cti_links';
 import { useRequestEventCounts } from './use_request_event_counts';
 import { emptyEventCountsByDataset } from './helpers';
+import { CtiEnabledModuleProps } from '../../components/overview_cti_links/cti_enabled_module';
 
 export const ID = 'ctiEventCountQuery';
 const PREFIX = 'threatintel.';
 
-export const useCtiEventCounts = ({
+export const useCtiEventCounts = ({ deleteQuery, from, setQuery, to }: CtiEnabledModuleProps) => {
-  deleteQuery,
-  from,
-  setQuery,
-  to,
-}: ThreatIntelLinkPanelProps) => {
   const [isInitialLoading, setIsInitialLoading] = useState(true);
 
   const [loading, { data, inspect, totalCount, refetch }] = useRequestEventCounts(to, from);

x-pack/plugins/security_solution/public/overview/pages/overview.test.tsx

@@ -87,6 +87,7 @@ describe('Overview', () => {
       },
     ]);
   });
+
   describe('rendering', () => {
     test('it DOES NOT render the Getting started text when an index is available', () => {
       mockUseSourcererScope.mockReturnValue({
@@ -277,4 +278,18 @@ describe('Overview', () => {
       });
     });
   });
+
+  describe('Threat Intel Dashboard Links', () => {
+    it('invokes useIsThreatIntelModuleEnabled hook only once', () => {
+      useIsThreatIntelModuleEnabledMock.mockClear();
+      mount(
+        <TestProviders>
+          <MemoryRouter>
+            <Overview />
+          </MemoryRouter>
+        </TestProviders>
+      );
+      expect(useIsThreatIntelModuleEnabledMock).toHaveBeenCalledTimes(1);
+    });
+  });
 });

x-pack/plugins/security_solution/public/overview/pages/overview.tsx

@@ -33,6 +33,7 @@ import { Sourcerer } from '../../common/components/sourcerer';
 import { SourcererScopeName } from '../../common/store/sourcerer/model';
 import { useDeepEqualSelector } from '../../common/hooks/use_selector';
 import { ThreatIntelLinkPanel } from '../components/overview_cti_links';
+import { useIsThreatIntelModuleEnabled } from '../containers/overview_cti_links/use_is_threat_intel_module_enabled';
 
 const SidebarFlexItem = styled(EuiFlexItem)`
   margin-right: 24px;
@@ -70,6 +71,8 @@ const OverviewComponent = () => {
     addMessage('management', 'dismissEndpointNotice');
   }, [addMessage]);
   const { allEnabled: isIngestEnabled } = useIngestEnabledCheck();
+  const isThreatIntelModuleEnabled = useIsThreatIntelModuleEnabled();
+
   return (
     <>
       {indicesExist ? (
@@ -143,6 +146,7 @@ const OverviewComponent = () => {
                   </EuiFlexItem>
                   <EuiFlexItem grow={false}>
                     <ThreatIntelLinkPanel
+                      isThreatIntelModuleEnabled={isThreatIntelModuleEnabled}
                       deleteQuery={deleteQuery}
                       from={from}
                       setQuery={setQuery}