[8.x] [Security Solution][Notes] - add note block to alert defaitls f…

…lyout header (#193373) (#193502)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Security Solution][Notes] - add note block to alert defaitls flyout
header (#193373)](#193373)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Philippe
Oberti","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-09-20T00:39:28Z","message":"[Security
Solution][Notes] - add note block to alert defaitls flyout header
(#193373)","sha":"258adf533561b11d0cc0dae8c2fc2a1acc0d8e02","branchLabelMapping":{"^v9.0.0$":"main","^v8.16.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","Team:Threat
Hunting:Investigations","backport:prev-minor","v8.16.0"],"title":"[Security
Solution][Notes] - add note block to alert defaitls flyout
header","number":193373,"url":"https://github.com/elastic/kibana/pull/193373","mergeCommit":{"message":"[Security
Solution][Notes] - add note block to alert defaitls flyout header
(#193373)","sha":"258adf533561b11d0cc0dae8c2fc2a1acc0d8e02"}},"sourceBranch":"main","suggestedTargetBranches":["8.x"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/193373","number":193373,"mergeCommit":{"message":"[Security
Solution][Notes] - add note block to alert defaitls flyout header
(#193373)","sha":"258adf533561b11d0cc0dae8c2fc2a1acc0d8e02"}},{"branch":"8.x","label":"v8.16.0","branchLabelMappingKey":"^v8.16.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Philippe Oberti <[email protected]>

x-pack/plugins/security_solution/public/flyout/document_details/right/components/alert_header_block.test.tsx

@@ -0,0 +1,27 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import React from 'react';
+import { render } from '@testing-library/react';
+import { AlertHeaderBlock } from './alert_header_block';
+
+const title = <div>{'title'}</div>;
+const children = <div data-test-subj={'CHILDREN_TEST_ID'}>{'children'}</div>;
+const dataTestSubj = 'TITLE_TEST_ID';
+
+describe('<AlertHeaderBlock />', () => {
+  it('should render component', () => {
+    const { getByTestId } = render(
+      <AlertHeaderBlock title={title} data-test-subj={dataTestSubj}>
+        {children}
+      </AlertHeaderBlock>
+    );
+
+    expect(getByTestId('TITLE_TEST_ID')).toHaveTextContent('title');
+    expect(getByTestId('CHILDREN_TEST_ID')).toBeInTheDocument();
+  });
+});

x-pack/plugins/security_solution/public/flyout/document_details/right/components/alert_header_block.tsx

@@ -0,0 +1,45 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type { ReactElement, ReactNode, VFC } from 'react';
+import React, { memo } from 'react';
+import { EuiFlexGroup, EuiFlexItem, EuiPanel, EuiTitle } from '@elastic/eui';
+
+export interface AlertHeaderBlockProps {
+  /**
+   * React component to render as the title
+   */
+  title: ReactElement;
+  /**
+   * React component to render as the value
+   */
+  children: ReactNode;
+  /**
+   * data-test-subj to use for the title
+   */
+  ['data-test-subj']?: string;
+}
+
+/**
+ * Reusable component for rendering a block with rounded edges, show a title and value below one another
+ */
+export const AlertHeaderBlock: VFC<AlertHeaderBlockProps> = memo(
+  ({ title, children, 'data-test-subj': dataTestSubj }) => (
+    <EuiPanel hasShadow={false} hasBorder paddingSize="s">
+      <EuiFlexGroup direction="column" gutterSize="xs" responsive={false}>
+        <EuiFlexItem grow={false}>
+          <EuiTitle size="xxs" data-test-subj={dataTestSubj}>
+            <h3>{title}</h3>
+          </EuiTitle>
+        </EuiFlexItem>
+        <EuiFlexItem grow={false}>{children}</EuiFlexItem>
+      </EuiFlexGroup>
+    </EuiPanel>
+  )
+);
+
+AlertHeaderBlock.displayName = 'AlertHeaderBlock';

x-pack/plugins/security_solution/public/flyout/document_details/right/components/alert_header_title.test.tsx

@@ -13,17 +13,21 @@ import {
   SEVERITY_VALUE_TEST_ID,
   FLYOUT_ALERT_HEADER_TITLE_TEST_ID,
   STATUS_BUTTON_TEST_ID,
-  ASSIGNEES_HEADER_TEST_ID,
   ALERT_SUMMARY_PANEL_TEST_ID,
+  ASSIGNEES_TEST_ID,
+  ASSIGNEES_EMPTY_TEST_ID,
+  NOTES_TITLE_TEST_ID,
 } from './test_ids';
 import { AlertHeaderTitle } from './alert_header_title';
 import moment from 'moment-timezone';
 import { useDateFormat, useTimeZone } from '../../../../common/lib/kibana';
 import { mockGetFieldsData } from '../../shared/mocks/mock_get_fields_data';
 import { mockDataFormattedForFieldBrowser } from '../../shared/mocks/mock_data_formatted_for_field_browser';
 import { TestProvidersComponent } from '../../../../common/mock';
+import { useIsExperimentalFeatureEnabled } from '../../../../common/hooks/use_experimental_features';
 
 jest.mock('../../../../common/lib/kibana');
+jest.mock('../../../../common/hooks/use_experimental_features');
 
 moment.suppressDeprecationWarnings = true;
 moment.tz.setDefault('UTC');
@@ -51,15 +55,16 @@ describe('<AlertHeaderTitle />', () => {
   });
 
   it('should render component', () => {
-    const { getByTestId } = renderHeader(mockContextValue);
+    const { getByTestId, queryByTestId } = renderHeader(mockContextValue);
 
     expect(getByTestId(HEADER_TEXT_TEST_ID)).toHaveTextContent('rule-name');
     expect(getByTestId(SEVERITY_VALUE_TEST_ID)).toBeInTheDocument();
     expect(getByTestId(ALERT_SUMMARY_PANEL_TEST_ID)).toBeInTheDocument();
 
     expect(getByTestId(RISK_SCORE_VALUE_TEST_ID)).toBeInTheDocument();
     expect(getByTestId(STATUS_BUTTON_TEST_ID)).toBeInTheDocument();
-    expect(getByTestId(ASSIGNEES_HEADER_TEST_ID)).toBeInTheDocument();
+    expect(getByTestId(ASSIGNEES_TEST_ID)).toBeInTheDocument();
+    expect(queryByTestId(ASSIGNEES_EMPTY_TEST_ID)).not.toBeInTheDocument();
   });
 
   it('should render title correctly if flyout is in preview', () => {
@@ -68,7 +73,15 @@ describe('<AlertHeaderTitle />', () => {
 
     expect(getByTestId(RISK_SCORE_VALUE_TEST_ID)).toBeInTheDocument();
     expect(queryByTestId(STATUS_BUTTON_TEST_ID)).not.toBeInTheDocument();
-    expect(getByTestId(ASSIGNEES_HEADER_TEST_ID)).toHaveTextContent('Assignees—');
+    expect(getByTestId(ASSIGNEES_EMPTY_TEST_ID)).toBeInTheDocument();
+    expect(queryByTestId(ASSIGNEES_TEST_ID)).not.toBeInTheDocument();
+  });
+
+  it('should render notes section if experimental flag is enabled', () => {
+    (useIsExperimentalFeatureEnabled as jest.Mock).mockReturnValue(true);
+
+    const { getByTestId } = renderHeader(mockContextValue);
+    expect(getByTestId(NOTES_TITLE_TEST_ID)).toBeInTheDocument();
   });
 
   it('should render fall back values if document is not alert', () => {

x-pack/plugins/security_solution/public/flyout/document_details/right/components/alert_header_title.tsx

@@ -6,11 +6,12 @@
  */
 
 import React, { memo, useCallback, useMemo } from 'react';
-import { EuiFlexGroup, EuiFlexItem, EuiSpacer, EuiPanel, useEuiTheme, EuiLink } from '@elastic/eui';
-import { css } from '@emotion/css';
+import { EuiFlexGroup, EuiFlexItem, EuiSpacer, EuiLink } from '@elastic/eui';
 import { ALERT_WORKFLOW_ASSIGNEE_IDS } from '@kbn/rule-data-utils';
 import { i18n } from '@kbn/i18n';
 import { FlyoutTitle } from '@kbn/security-solution-common';
+import { useIsExperimentalFeatureEnabled } from '../../../../common/hooks/use_experimental_features';
+import { Notes } from './notes';
 import { useRuleDetailsLink } from '../../shared/hooks/use_rule_details_link';
 import { DocumentStatus } from './status';
 import { DocumentSeverity } from './severity';
@@ -22,6 +23,11 @@ import { PreferenceFormattedDate } from '../../../../common/components/formatted
 import { FLYOUT_ALERT_HEADER_TITLE_TEST_ID, ALERT_SUMMARY_PANEL_TEST_ID } from './test_ids';
 import { Assignees } from './assignees';
 
+// minWidth for each block, allows to switch for a 1 row 4 blocks to 2 rows with 2 block each
+const blockStyles = {
+  minWidth: 280,
+};
+
 /**
  * Alert details flyout right section header
  */
@@ -34,10 +40,13 @@ export const AlertHeaderTitle = memo(() => {
     refetchFlyoutData,
     getFieldsData,
   } = useDocumentDetailsContext();
+  const securitySolutionNotesEnabled = useIsExperimentalFeatureEnabled(
+    'securitySolutionNotesEnabled'
+  );
+
   const { isAlert, ruleName, timestamp, ruleId } = useBasicDataFromDetailsData(
     dataFormattedForFieldBrowser
   );
-  const { euiTheme } = useEuiTheme();
 
   const href = useRuleDetailsLink({ ruleId: !isPreview ? ruleId : null });
   const ruleTitle = useMemo(
@@ -89,27 +98,52 @@ export const AlertHeaderTitle = memo(() => {
         />
       )}
       <EuiSpacer size="m" />
-      <EuiPanel
-        hasShadow={false}
-        hasBorder
-        css={css`
-          padding: ${euiTheme.size.m} ${euiTheme.size.s};
-        `}
-        data-test-subj={ALERT_SUMMARY_PANEL_TEST_ID}
-      >
-        <EuiFlexGroup direction="row" gutterSize="m" responsive={false}>
-          <EuiFlexItem
-            css={css`
-              border-right: ${euiTheme.border.thin};
-            `}
-          >
+      {securitySolutionNotesEnabled ? (
+        <EuiFlexGroup
+          direction="row"
+          gutterSize="s"
+          responsive={false}
+          wrap
+          data-test-subj={ALERT_SUMMARY_PANEL_TEST_ID}
+        >
+          <EuiFlexItem style={blockStyles}>
+            <EuiFlexGroup direction="row" gutterSize="s" responsive={false}>
+              <EuiFlexItem>
+                <DocumentStatus />
+              </EuiFlexItem>
+              <EuiFlexItem>
+                <RiskScore />
+              </EuiFlexItem>
+            </EuiFlexGroup>
+          </EuiFlexItem>
+          <EuiFlexItem style={blockStyles}>
+            <EuiFlexGroup direction="row" gutterSize="s" responsive={false}>
+              <EuiFlexItem>
+                <Assignees
+                  eventId={eventId}
+                  assignedUserIds={alertAssignees}
+                  onAssigneesUpdated={onAssigneesUpdated}
+                  isPreview={isPreview}
+                />
+              </EuiFlexItem>
+              <EuiFlexItem>
+                <Notes />
+              </EuiFlexItem>
+            </EuiFlexGroup>
+          </EuiFlexItem>
+        </EuiFlexGroup>
+      ) : (
+        <EuiFlexGroup
+          direction="row"
+          gutterSize="s"
+          responsive={false}
+          wrap
+          data-test-subj={ALERT_SUMMARY_PANEL_TEST_ID}
+        >
+          <EuiFlexItem>
             <DocumentStatus />
           </EuiFlexItem>
-          <EuiFlexItem
-            css={css`
-              border-right: ${euiTheme.border.thin};
-            `}
-          >
+          <EuiFlexItem>
             <RiskScore />
           </EuiFlexItem>
           <EuiFlexItem>
@@ -121,7 +155,7 @@ export const AlertHeaderTitle = memo(() => {
             />
           </EuiFlexItem>
         </EuiFlexGroup>
-      </EuiPanel>
+      )}
     </>
   );
 });

x-pack/plugins/security_solution/public/flyout/document_details/right/components/assignees.test.tsx

@@ -10,8 +10,8 @@ import { render } from '@testing-library/react';
 
 import {
   ASSIGNEES_ADD_BUTTON_TEST_ID,
+  ASSIGNEES_EMPTY_TEST_ID,
   ASSIGNEES_TITLE_TEST_ID,
-  ASSIGNEES_HEADER_TEST_ID,
 } from './test_ids';
 import { Assignees } from './assignees';
 
@@ -180,6 +180,6 @@ describe('<Assignees />', () => {
     );
 
     expect(queryByTestId(ASSIGNEES_ADD_BUTTON_TEST_ID)).not.toBeInTheDocument();
-    expect(getByTestId(ASSIGNEES_HEADER_TEST_ID)).toHaveTextContent('Assignees—');
+    expect(getByTestId(ASSIGNEES_EMPTY_TEST_ID)).toHaveTextContent('—');
   });
 });

x-pack/plugins/security_solution/public/flyout/document_details/right/components/assignees.tsx

@@ -14,12 +14,12 @@ import {
   EuiFlexGroup,
   EuiFlexItem,
   EuiPopover,
-  EuiTitle,
   EuiToolTip,
   useGeneratedHtmlId,
 } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
 import { FormattedMessage } from '@kbn/i18n-react';
+import { AlertHeaderBlock } from './alert_header_block';
 import { useSetAlertAssignees } from '../../../../common/components/toolbar/bulk_actions/use_set_alert_assignees';
 import { getEmptyTagValue } from '../../../../common/components/empty_value';
 import { ASSIGNEES_PANEL_WIDTH } from '../../../../common/components/assignees/constants';
@@ -32,7 +32,8 @@ import { useBulkGetUserProfiles } from '../../../../common/components/user_profi
 import { UsersAvatarsPanel } from '../../../../common/components/user_profiles/users_avatars_panel';
 import {
   ASSIGNEES_ADD_BUTTON_TEST_ID,
-  ASSIGNEES_HEADER_TEST_ID,
+  ASSIGNEES_EMPTY_TEST_ID,
+  ASSIGNEES_TEST_ID,
   ASSIGNEES_TITLE_TEST_ID,
 } from './test_ids';
 
@@ -158,26 +159,19 @@ export const Assignees: FC<AssigneesProps> = memo(
     ]);
 
     return (
-      <EuiFlexGroup
-        data-test-subj={ASSIGNEES_HEADER_TEST_ID}
-        direction="column"
-        gutterSize="none"
-        responsive={false}
+      <AlertHeaderBlock
+        title={
+          <FormattedMessage
+            id="xpack.securitySolution.flyout.right.header.assignedTitle"
+            defaultMessage="Assignees"
+          />
+        }
+        data-test-subj={ASSIGNEES_TITLE_TEST_ID}
       >
-        <EuiFlexItem grow={false}>
-          <EuiTitle size="xxs" data-test-subj={ASSIGNEES_TITLE_TEST_ID}>
-            <h3>
-              <FormattedMessage
-                id="xpack.securitySolution.flyout.right.header.assignedTitle"
-                defaultMessage="Assignees"
-              />
-            </h3>
-          </EuiTitle>
-        </EuiFlexItem>
         {isPreview ? (
-          getEmptyTagValue()
+          <div data-test-subj={ASSIGNEES_EMPTY_TEST_ID}>{getEmptyTagValue()}</div>
         ) : (
-          <EuiFlexGroup gutterSize="none" responsive={false}>
+          <EuiFlexGroup gutterSize="none" responsive={false} data-test-subj={ASSIGNEES_TEST_ID}>
             {assignedUsers && (
               <EuiFlexItem grow={false}>
                 <UsersAvatarsPanel userProfiles={assignedUsers} maxVisibleAvatars={2} />
@@ -186,7 +180,7 @@ export const Assignees: FC<AssigneesProps> = memo(
             <EuiFlexItem grow={false}>{updateAssigneesPopover}</EuiFlexItem>
           </EuiFlexGroup>
         )}
-      </EuiFlexGroup>
+      </AlertHeaderBlock>
     );
   }
 );