remove userHasNoPermissions function and remove tests, replace with just not canUserCRUD

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/create/index.tsx

@@ -24,7 +24,7 @@ import { StepScheduleRule } from '../components/step_schedule_rule';
 import { StepRuleActions } from '../components/step_rule_actions';
 import { DetectionEngineHeaderPage } from '../../components/detection_engine_header_page';
 import * as RuleI18n from '../translations';
-import { redirectToDetections, getActionMessageParams, userHasNoPermissions } from '../helpers';
+import { redirectToDetections, getActionMessageParams } from '../helpers';
 import {
   AboutStepRule,
   DefineStepRule,
@@ -271,7 +271,7 @@ const CreateRulePageComponent: React.FC = () => {
 
   if (redirectToDetections(isSignalIndexExists, isAuthenticated, hasEncryptionKey)) {
     return <Redirect to={`/${DETECTION_ENGINE_PAGE_NAME}`} />;
-  } else if (userHasNoPermissions(canUserCRUD)) {
+  } else if (!canUserCRUD) {
     return <Redirect to={`/${DETECTION_ENGINE_PAGE_NAME}/rules`} />;
   }
 

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/details/index.tsx

@@ -53,7 +53,7 @@ import * as detectionI18n from '../../translations';
 import { ReadOnlyCallOut } from '../components/read_only_callout';
 import { RuleSwitch } from '../components/rule_switch';
 import { StepPanel } from '../components/step_panel';
-import { getStepsData, redirectToDetections, userHasNoPermissions } from '../helpers';
+import { getStepsData, redirectToDetections } from '../helpers';
 import * as ruleI18n from '../translations';
 import * as i18n from './translations';
 import { GlobalTime } from '../../../../containers/global_time';
@@ -224,7 +224,7 @@ const RuleDetailsPageComponent: FC<PropsFromRedux> = ({
   return (
     <>
       {hasIndexWrite != null && !hasIndexWrite && <NoWriteSignalsCallOut />}
-      {userHasNoPermissions(canUserCRUD) && <ReadOnlyCallOut />}
+      {!canUserCRUD && <ReadOnlyCallOut />}
       <WithSource sourceId="default" indexToAdd={indexToAdd}>
         {({ indicesExist, indexPattern }) => {
           return indicesExistOrDataTemporarilyUnavailable(indicesExist) ? (
@@ -261,7 +261,7 @@ const RuleDetailsPageComponent: FC<PropsFromRedux> = ({
                         <EuiFlexItem grow={false}>
                           <RuleSwitch
                             id={rule?.id ?? '-1'}
-                            isDisabled={userHasNoPermissions(canUserCRUD)}
+                            isDisabled={!canUserCRUD}
                             enabled={rule?.enabled ?? false}
                             optionLabel={i18n.ACTIVATE_RULE}
                             onChange={handleOnChangeEnabledRule}
@@ -274,7 +274,7 @@ const RuleDetailsPageComponent: FC<PropsFromRedux> = ({
                               <EuiButton
                                 href={getEditRuleUrl(ruleId ?? '')}
                                 iconType="controlsHorizontal"
-                                isDisabled={userHasNoPermissions(canUserCRUD) ?? true}
+                                isDisabled={!canUserCRUD}
                               >
                                 {ruleI18n.EDIT_RULE_SETTINGS}
                               </EuiButton>
@@ -282,7 +282,7 @@ const RuleDetailsPageComponent: FC<PropsFromRedux> = ({
                             <EuiFlexItem grow={false}>
                               <RuleActionsOverflow
                                 rule={rule}
-                                userHasNoPermissions={userHasNoPermissions(canUserCRUD)}
+                                userHasNoPermissions={!canUserCRUD}
                               />
                             </EuiFlexItem>
                           </EuiFlexGroup>

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/edit/index.tsx

@@ -33,12 +33,7 @@ import { StepDefineRule } from '../components/step_define_rule';
 import { StepScheduleRule } from '../components/step_schedule_rule';
 import { StepRuleActions } from '../components/step_rule_actions';
 import { formatRule } from '../create/helpers';
-import {
-  getStepsData,
-  redirectToDetections,
-  getActionMessageParams,
-  userHasNoPermissions,
-} from '../helpers';
+import { getStepsData, redirectToDetections, getActionMessageParams } from '../helpers';
 import * as ruleI18n from '../translations';
 import {
   RuleStep,
@@ -347,7 +342,7 @@ const EditRulePageComponent: FC = () => {
 
   if (redirectToDetections(isSignalIndexExists, isAuthenticated, hasEncryptionKey)) {
     return <Redirect to={`/${DETECTION_ENGINE_PAGE_NAME}`} />;
-  } else if (userHasNoPermissions(canUserCRUD)) {
+  } else if (!canUserCRUD) {
     return <Redirect to={`/${DETECTION_ENGINE_PAGE_NAME}/rules/id/${ruleId}`} />;
   }
 

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/helpers.test.tsx

@@ -338,27 +338,4 @@ describe('rule helpers', () => {
       expect(result).toEqual(aboutRuleDetailsData);
     });
   });
-
-  describe('userHasNoPermissions', () => {
-    test("returns false when user's CRUD operations are null", () => {
-      const result: boolean = userHasNoPermissions(null);
-      const userHasNoPermissionsExpectedResult = false;
-
-      expect(result).toEqual(userHasNoPermissionsExpectedResult);
-    });
-
-    test('returns true when user cannot CRUD', () => {
-      const result: boolean = userHasNoPermissions(false);
-      const userHasNoPermissionsExpectedResult = true;
-
-      expect(result).toEqual(userHasNoPermissionsExpectedResult);
-    });
-
-    test('returns false when user can CRUD', () => {
-      const result: boolean = userHasNoPermissions(true);
-      const userHasNoPermissionsExpectedResult = false;
-
-      expect(result).toEqual(userHasNoPermissionsExpectedResult);
-    });
-  });
 });

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/helpers.tsx

@@ -267,7 +267,3 @@ export const getActionMessageParams = memoizeOne((ruleType: RuleType | undefined
     ...actionMessageRuleParams.map(param => `context.rule.${param}`),
   ];
 });
-
-// typed as null not undefined as the initial state for this value is null.
-export const userHasNoPermissions = (canUserCRUD: boolean | null): boolean =>
-  canUserCRUD != null ? !canUserCRUD : false;

x-pack/legacy/plugins/siem/public/pages/detection_engine/rules/index.tsx

@@ -23,7 +23,7 @@ import { AllRules } from './all';
 import { ImportDataModal } from '../../../components/import_data_modal';
 import { ReadOnlyCallOut } from './components/read_only_callout';
 import { UpdatePrePackagedRulesCallOut } from './components/pre_packaged_rules/update_callout';
-import { getPrePackagedRuleStatus, redirectToDetections, userHasNoPermissions } from './helpers';
+import { getPrePackagedRuleStatus, redirectToDetections } from './helpers';
 import * as i18n from './translations';
 
 type Func = (refreshPrePackagedRule?: boolean) => void;
@@ -90,7 +90,7 @@ const RulesPageComponent: React.FC = () => {
 
   return (
     <>
-      {userHasNoPermissions(canUserCRUD) && <ReadOnlyCallOut />}
+      {!canUserCRUD && <ReadOnlyCallOut />}
       <ImportDataModal
         checkBoxLabel={i18n.OVERWRITE_WITH_SAME_NAME}
         closeModal={() => setShowImportModal(false)}
@@ -120,7 +120,7 @@ const RulesPageComponent: React.FC = () => {
                 <EuiButton
                   iconType="indexOpen"
                   isLoading={loadingCreatePrePackagedRules}
-                  isDisabled={userHasNoPermissions(canUserCRUD) || loading}
+                  isDisabled={!canUserCRUD || loading}
                   onClick={handleCreatePrePackagedRules}
                 >
                   {i18n.LOAD_PREPACKAGED_RULES}
@@ -133,7 +133,7 @@ const RulesPageComponent: React.FC = () => {
                   data-test-subj="reloadPrebuiltRulesBtn"
                   iconType="plusInCircle"
                   isLoading={loadingCreatePrePackagedRules}
-                  isDisabled={userHasNoPermissions(canUserCRUD) || loading}
+                  isDisabled={!canUserCRUD || loading}
                   onClick={handleCreatePrePackagedRules}
                 >
                   {i18n.RELOAD_MISSING_PREPACKAGED_RULES(rulesNotInstalled ?? 0)}
@@ -143,7 +143,7 @@ const RulesPageComponent: React.FC = () => {
             <EuiFlexItem grow={false}>
               <EuiButton
                 iconType="importAction"
-                isDisabled={userHasNoPermissions(canUserCRUD) || loading}
+                isDisabled={!canUserCRUD || loading}
                 onClick={() => {
                   setShowImportModal(true);
                 }}
@@ -157,7 +157,7 @@ const RulesPageComponent: React.FC = () => {
                 fill
                 href={getCreateRuleUrl()}
                 iconType="plusInCircle"
-                isDisabled={userHasNoPermissions(canUserCRUD) || loading}
+                isDisabled={!canUserCRUD || loading}
               >
                 {i18n.ADD_NEW_RULE}
               </EuiButton>
@@ -175,7 +175,7 @@ const RulesPageComponent: React.FC = () => {
           createPrePackagedRules={createPrePackagedRules}
           loading={loading || prePackagedRuleLoading}
           loadingCreatePrePackagedRules={loadingCreatePrePackagedRules}
-          hasNoPermissions={userHasNoPermissions(canUserCRUD)}
+          hasNoPermissions={!canUserCRUD}
           refetchPrePackagedRulesStatus={handleRefetchPrePackagedRulesStatus}
           rulesCustomInstalled={rulesCustomInstalled}
           rulesInstalled={rulesInstalled}