[Security Solution][Endpoint] Delete Event Filter from the List (#99686)

* modal for delete of event filter
* Add total count of items to the List view

x-pack/plugins/security_solution/public/management/pages/event_filters/index.tsx

@@ -19,6 +19,3 @@ export const EventFiltersContainer = () => {
     </Switch>
   );
 };
-export { EventFiltersService } from './types';
-export { EventFiltersListPageState } from './types';
-export { EventFiltersListPageData } from './types';

x-pack/plugins/security_solution/public/management/pages/event_filters/service/index.ts

@@ -92,4 +92,13 @@ export class EventFiltersHttpService implements EventFiltersService {
       body: JSON.stringify(exception),
     });
   }
+
+  async deleteOne(id: string): Promise<ExceptionListItemSchema> {
+    return (await this.httpWrapper()).delete<ExceptionListItemSchema>(EXCEPTION_LIST_ITEM_URL, {
+      query: {
+        id,
+        namespace_type: 'agnostic',
+      },
+    });
+  }
 }

x-pack/plugins/security_solution/public/management/pages/event_filters/store/action.ts

@@ -22,6 +22,18 @@ export type EventFiltersListPageDataExistsChanged = Action<'eventFiltersListPage
   payload: EventFiltersListPageState['listPage']['dataExist'];
 };
 
+export type EventFilterForDeletion = Action<'eventFilterForDeletion'> & {
+  payload: ExceptionListItemSchema;
+};
+
+export type EventFilterDeletionReset = Action<'eventFilterDeletionReset'>;
+
+export type EventFilterDeleteSubmit = Action<'eventFilterDeleteSubmit'>;
+
+export type EventFilterDeleteStatusChanged = Action<'eventFilterDeleteStatusChanged'> & {
+  payload: EventFiltersListPageState['listPage']['deletion']['status'];
+};
+
 export type EventFiltersInitForm = Action<'eventFiltersInitForm'> & {
   payload: {
     entry: UpdateExceptionListItemSchema | CreateExceptionListItemSchema;
@@ -65,4 +77,8 @@ export type EventFiltersPageAction =
   | EventFiltersCreateStart
   | EventFiltersCreateSuccess
   | EventFiltersCreateError
-  | EventFiltersFormStateChanged;
+  | EventFiltersFormStateChanged
+  | EventFilterForDeletion
+  | EventFilterDeletionReset
+  | EventFilterDeleteSubmit
+  | EventFilterDeleteStatusChanged;

x-pack/plugins/security_solution/public/management/pages/event_filters/store/builders.ts

@@ -7,6 +7,7 @@
 
 import { MANAGEMENT_DEFAULT_PAGE, MANAGEMENT_DEFAULT_PAGE_SIZE } from '../../../common/constants';
 import { EventFiltersListPageState } from '../types';
+import { createLoadedResourceState, createUninitialisedResourceState } from '../../../state';
 
 export const initialEventFiltersPageState = (): EventFiltersListPageState => ({
   entries: [],
@@ -16,7 +17,7 @@ export const initialEventFiltersPageState = (): EventFiltersListPageState => ({
     hasItemsError: false,
     hasOSError: false,
     newComment: '',
-    submissionResourceState: { type: 'UninitialisedResourceState' },
+    submissionResourceState: createUninitialisedResourceState(),
   },
   location: {
     page_index: MANAGEMENT_DEFAULT_PAGE,
@@ -26,8 +27,12 @@ export const initialEventFiltersPageState = (): EventFiltersListPageState => ({
   listPage: {
     active: false,
     forceRefresh: false,
-    data: { type: 'UninitialisedResourceState' },
-    /** We started off assuming data exists, until we can confirm othewise */
-    dataExist: { type: 'LoadedResourceState', data: true },
+    data: createUninitialisedResourceState(),
+    /** We started off assuming data exists, until we can confirm otherwise */
+    dataExist: createLoadedResourceState(true),
+    deletion: {
+      item: undefined,
+      status: createUninitialisedResourceState(),
+    },
   },
 });

x-pack/plugins/security_solution/public/management/pages/event_filters/store/middleware.test.ts

@@ -28,6 +28,7 @@ const createEventFiltersServiceMock = (): jest.Mocked<EventFiltersService> => ({
   getList: jest.fn(),
   getOne: jest.fn(),
   updateOne: jest.fn(),
+  deleteOne: jest.fn(),
 });
 
 const createStoreSetup = (eventFiltersService: EventFiltersService) => {

x-pack/plugins/security_solution/public/management/pages/event_filters/store/middleware.ts

@@ -14,8 +14,6 @@ import {
 
 import { EventFiltersHttpService } from '../service';
 
-import { getLastLoadedResourceState } from '../../../state/async_resource_state';
-
 import {
   CreateExceptionListItemSchema,
   ExceptionListItemSchema,
@@ -33,6 +31,9 @@ import {
   getFormEntry,
   getSubmissionResource,
   getNewComment,
+  isDeletionInProgress,
+  getItemToDelete,
+  getDeletionState,
 } from './selector';
 
 import { parseQueryFilterToKQL } from '../../../common/utils';
@@ -47,7 +48,9 @@ import {
   createFailedResourceState,
   createLoadedResourceState,
   createLoadingResourceState,
+  getLastLoadedResourceState,
 } from '../../../state';
+import { ServerApiError } from '../../../../common/types';
 
 const addNewComments = (
   entry: UpdateExceptionListItemSchema | CreateExceptionListItemSchema,
@@ -279,6 +282,43 @@ const refreshListDataIfNeeded: MiddlewareActionHandler = async (store, eventFilt
   }
 };
 
+const eventFilterDeleteEntry: MiddlewareActionHandler = async (
+  { getState, dispatch },
+  eventFiltersService
+) => {
+  const state = getState();
+
+  if (isDeletionInProgress(state)) {
+    return;
+  }
+
+  const itemId = getItemToDelete(state)?.id;
+
+  if (!itemId) {
+    return;
+  }
+
+  dispatch({
+    type: 'eventFilterDeleteStatusChanged',
+    // Ignore will be fixed with when AsyncResourceState is refactored (#830)
+    // @ts-ignore
+    payload: createLoadingResourceState(getDeletionState(state).status),
+  });
+
+  try {
+    const response = await eventFiltersService.deleteOne(itemId);
+    dispatch({
+      type: 'eventFilterDeleteStatusChanged',
+      payload: createLoadedResourceState(response),
+    });
+  } catch (e) {
+    dispatch({
+      type: 'eventFilterDeleteStatusChanged',
+      payload: createFailedResourceState<ExceptionListItemSchema, ServerApiError>(e.body ?? e),
+    });
+  }
+};
+
 export const createEventFiltersPageMiddleware = (
   eventFiltersService: EventFiltersService
 ): ImmutableMiddleware<EventFiltersListPageState, AppAction> => {
@@ -298,9 +338,12 @@ export const createEventFiltersPageMiddleware = (
       if (
         action.type === 'userChangedUrl' ||
         action.type === 'eventFiltersCreateSuccess' ||
-        action.type === 'eventFiltersUpdateSuccess'
+        action.type === 'eventFiltersUpdateSuccess' ||
+        action.type === 'eventFilterDeleteStatusChanged'
       ) {
         refreshListDataIfNeeded(store, eventFiltersService);
+      } else if (action.type === 'eventFilterDeleteSubmit') {
+        eventFilterDeleteEntry(store, eventFiltersService);
       }
     }
   };

x-pack/plugins/security_solution/public/management/pages/event_filters/store/reducer.ts

@@ -14,7 +14,10 @@ import { AppLocation, Immutable } from '../../../../../common/endpoint/types';
 import { UserChangedUrl } from '../../../../common/store/routing/action';
 import { MANAGEMENT_ROUTING_EVENT_FILTERS_PATH } from '../../../common/constants';
 import { extractEventFiltetrsPageLocation } from '../../../common/routing';
-import { isUninitialisedResourceState } from '../../../state/async_resource_state';
+import {
+  isLoadedResourceState,
+  isUninitialisedResourceState,
+} from '../../../state/async_resource_state';
 
 import {
   EventFiltersInitForm,
@@ -24,6 +27,9 @@ import {
   EventFiltersUpdateSuccess,
   EventFiltersListPageDataChanged,
   EventFiltersListPageDataExistsChanged,
+  EventFilterForDeletion,
+  EventFilterDeletionReset,
+  EventFilterDeleteStatusChanged,
 } from './action';
 
 import { initialEventFiltersPageState } from './builders';
@@ -173,6 +179,46 @@ const userChangedUrl: CaseReducer<UserChangedUrl> = (state, action) => {
   }
 };
 
+const handleEventFilterForDeletion: CaseReducer<EventFilterForDeletion> = (state, action) => {
+  return {
+    ...state,
+    listPage: {
+      ...state.listPage,
+      deletion: {
+        ...state.listPage.deletion,
+        item: action.payload,
+      },
+    },
+  };
+};
+
+const handleEventFilterDeletionReset: CaseReducer<EventFilterDeletionReset> = (state) => {
+  return {
+    ...state,
+    listPage: {
+      ...state.listPage,
+      deletion: initialEventFiltersPageState().listPage.deletion,
+    },
+  };
+};
+
+const handleEventFilterDeleteStatusChanges: CaseReducer<EventFilterDeleteStatusChanged> = (
+  state,
+  action
+) => {
+  return {
+    ...state,
+    listPage: {
+      ...state.listPage,
+      forceRefresh: isLoadedResourceState(action.payload) ? true : state.listPage.forceRefresh,
+      deletion: {
+        ...state.listPage.deletion,
+        status: action.payload,
+      },
+    },
+  };
+};
+
 export const eventFiltersPageReducer: StateReducer = (
   state = initialEventFiltersPageState(),
   action
@@ -199,6 +245,12 @@ export const eventFiltersPageReducer: StateReducer = (
         return handleEventFiltersListPageDataChanges(state, action);
       case 'eventFiltersListPageDataExistsChanged':
         return handleEventFiltersListPageDataExistChanges(state, action);
+      case 'eventFilterForDeletion':
+        return handleEventFilterForDeletion(state, action);
+      case 'eventFilterDeletionReset':
+        return handleEventFilterDeletionReset(state, action);
+      case 'eventFilterDeleteStatusChanged':
+        return handleEventFilterDeleteStatusChanges(state, action);
     }
   }
 

x-pack/plugins/security_solution/public/management/pages/event_filters/store/selector.ts

@@ -183,3 +183,42 @@ export const listDataNeedsRefresh: EventFiltersSelector<boolean> = createSelecto
     );
   }
 );
+
+export const getDeletionState = createSelector(
+  getCurrentListPageState,
+  (listState) => listState.deletion
+);
+
+export const showDeleteModal: EventFiltersSelector<boolean> = createSelector(
+  getDeletionState,
+  ({ item }) => {
+    return Boolean(item);
+  }
+);
+
+export const getItemToDelete: EventFiltersSelector<
+  StoreState['listPage']['deletion']['item']
+> = createSelector(getDeletionState, ({ item }) => item);
+
+export const isDeletionInProgress: EventFiltersSelector<boolean> = createSelector(
+  getDeletionState,
+  ({ status }) => {
+    return isLoadingResourceState(status);
+  }
+);
+
+export const wasDeletionSuccessful: EventFiltersSelector<boolean> = createSelector(
+  getDeletionState,
+  ({ status }) => {
+    return isLoadedResourceState(status);
+  }
+);
+
+export const getDeleteError: EventFiltersSelector<ServerApiError | undefined> = createSelector(
+  getDeletionState,
+  ({ status }) => {
+    if (isFailedResourceState(status)) {
+      return status.error;
+    }
+  }
+);

x-pack/plugins/security_solution/public/management/pages/event_filters/types.ts

@@ -48,6 +48,7 @@ export interface EventFiltersService {
   getList(options?: EventFiltersServiceGetListOptions): Promise<FoundExceptionListItemSchema>;
   getOne(id: string): Promise<ExceptionListItemSchema>;
   updateOne(exception: Immutable<UpdateExceptionListItemSchema>): Promise<ExceptionListItemSchema>;
+  deleteOne(id: string): Promise<ExceptionListItemSchema>;
 }
 
 export interface EventFiltersListPageData {
@@ -68,5 +69,10 @@ export interface EventFiltersListPageState {
     data: AsyncResourceState<EventFiltersListPageData>;
     /** tracks if the overall list (not filtered or with invalid page numbers) contains data */
     dataExist: AsyncResourceState<boolean>;
+    /** state for deletion of items from the list */
+    deletion: {
+      item: ExceptionListItemSchema | undefined;
+      status: AsyncResourceState<ExceptionListItemSchema>;
+    };
   };
 }