feat: archived features can be searched now (#8568)

Archived features can be searched now.
This is the backend and small parts of frontend preparing to add
filters, buttons etc in next PR.

---------

Co-authored-by: Thomas Heartman <thomas@getunleash.io>

frontend/src/component/project/Project/PaginatedProjectFeatureToggles/ProjectFeatureToggles.tsx

@@ -92,6 +92,7 @@ export const ProjectFeatureToggles = ({
         type: tableState.type,
         state: tableState.state,
         createdBy: tableState.createdBy,
+        archived: tableState.archived,
     };
 
     const { favorite, unfavorite } = useFavoriteFeaturesApi();

frontend/src/component/project/Project/PaginatedProjectFeatureToggles/useProjectFeatureSearch.ts

@@ -40,6 +40,7 @@ export const useProjectFeatureSearch = (
         createdAt: FilterItemParam,
         type: FilterItemParam,
         createdBy: FilterItemParam,
+        archived: FilterItemParam,
     };
     const [tableState, setTableState] = usePersistentTableState(
         `${storageKey}-${projectId}`,

src/lib/features/feature-search/feature-search-controller.ts

@@ -102,6 +102,7 @@ export default class FeatureSearchController extends Controller {
             state,
             status,
             favoritesFirst,
+            archived,
             sortBy,
         } = req.query;
         const userId = req.user.id;
@@ -131,6 +132,7 @@ export default class FeatureSearchController extends Controller {
                     ['enabled', 'disabled'].includes(tag[1]),
             );
         const normalizedFavoritesFirst = favoritesFirst === 'true';
+        const normalizedArchived = archived === 'IS:true';
         const { features, total } = await this.featureSearchService.search({
             searchParams: normalizedQuery,
             project,
@@ -147,6 +149,7 @@ export default class FeatureSearchController extends Controller {
             limit: normalizedLimit,
             sortOrder: normalizedSortOrder,
             favoritesFirst: normalizedFavoritesFirst,
+            archived: normalizedArchived,
         });
 
         this.openApiService.respondWithValidation(

src/lib/features/feature-search/feature-search-store.ts

@@ -101,6 +101,7 @@ class FeatureSearchStore implements IFeatureSearchStore {
             limit,
             sortOrder,
             sortBy,
+            archived,
             favoritesFirst,
         }: IFeatureSearchParams,
         queryParams: IQueryParam[],
@@ -188,9 +189,8 @@ class FeatureSearchStore implements IFeatureSearchStore {
                         }
                     });
                 }
-
                 query
-                    .modify(FeatureToggleStore.filterByArchived, false)
+                    .modify(FeatureToggleStore.filterByArchived, archived)
                     .leftJoin(
                         'feature_environments',
                         'feature_environments.feature_name',

src/lib/features/feature-search/feature.search.e2e.test.ts

@@ -57,16 +57,23 @@ afterAll(async () => {
 });
 
 beforeEach(async () => {
+    await db.stores.dependentFeaturesStore.deleteAll();
     await db.stores.featureToggleStore.deleteAll();
     await db.stores.segmentStore.deleteAll();
 });
 
 const searchFeatures = async (
-    { query = '', project = 'IS:default' }: FeatureSearchQueryParameters,
+    {
+        query = '',
+        project = 'IS:default',
+        archived = 'IS:false',
+    }: FeatureSearchQueryParameters,
     expectedCode = 200,
 ) => {
     return app.request
-        .get(`/api/admin/search/features?query=${query}&project=${project}`)
+        .get(
+            `/api/admin/search/features?query=${query}&project=${project}&archived=${archived}`,
+        )
         .expect(expectedCode);
 };
 
@@ -1128,3 +1135,38 @@ test('should return dependencyType', async () => {
         ],
     });
 });
+
+test('should return archived when query param set', async () => {
+    await app.createFeature({
+        name: 'my_feature_a',
+        createdAt: '2023-01-29T15:21:39.975Z',
+    });
+    await app.createFeature({
+        name: 'my_feature_b',
+        createdAt: '2023-01-29T15:21:39.975Z',
+        archived: true,
+    });
+
+    const { body } = await searchFeatures({
+        query: 'my_feature',
+    });
+    expect(body).toMatchObject({
+        features: [
+            {
+                name: 'my_feature_a',
+            },
+        ],
+    });
+
+    const { body: archivedFeatures } = await searchFeatures({
+        query: 'my_feature',
+        archived: 'IS:true',
+    });
+    expect(archivedFeatures).toMatchObject({
+        features: [
+            {
+                name: 'my_feature_b',
+            },
+        ],
+    });
+});

src/lib/features/feature-toggle/types/feature-toggle-strategies-store-type.ts

@@ -33,6 +33,7 @@ export interface IFeatureSearchParams {
     status?: string[][];
     offset: number;
     favoritesFirst?: boolean;
+    archived?: boolean;
     limit: number;
     sortBy?: string;
     sortOrder: 'asc' | 'desc';

src/lib/openapi/spec/feature-search-query-parameters.ts

@@ -146,6 +146,16 @@ export const featureSearchQueryParameters = [
             'The flag to indicate if the favorite features should be returned first. By default it is set to false.',
         in: 'query',
     },
+    {
+        name: 'archived',
+        schema: {
+            type: 'string',
+            example: 'IS:true',
+        },
+        description:
+            'Whether to get results for archived feature flags or active feature flags. If `true`, Unleash will return only archived flags. If `false`, it will return only active flags.',
+        in: 'query',
+    },
     {
         name: 'createdAt',
         schema: {