Feature toggles: Filtering by tags (#2396)

https://linear.app/unleash/issue/UNL-140/experiment-with-filtering-feature-toggles-by-tags-on-the-ui

Going with a naïve approach for now, tags can be searchable the same way
we search for text. The tags column only shows up if at least one toggle
has tags set. There's a simple highlightable component that lets us know
a match was found and then shows all the tags on a tooltip:
<img width="1289" alt="image"
src="https://user-images.githubusercontent.com/14320932/201155093-b8605ff2-5bf7-45c5-b240-a33da254c278.png">

frontend/src/component/common/Table/cells/FeatureTagCell/FeatureTagCell.tsx

@@ -0,0 +1,60 @@
+import { VFC } from 'react';
+import { FeatureSchema } from 'openapi';
+import { Link, styled, Typography } from '@mui/material';
+import { TextCell } from '../TextCell/TextCell';
+import { HtmlTooltip } from 'component/common/HtmlTooltip/HtmlTooltip';
+import { Highlighter } from 'component/common/Highlighter/Highlighter';
+import { useSearchHighlightContext } from 'component/common/Table/SearchHighlightContext/SearchHighlightContext';
+
+const StyledTag = styled(Typography)(({ theme }) => ({
+    fontSize: theme.fontSizes.smallerBody,
+}));
+
+const StyledLink = styled(Link, {
+    shouldForwardProp: prop => prop !== 'highlighted',
+})<{ highlighted?: boolean }>(({ theme, highlighted }) => ({
+    backgroundColor: highlighted ? theme.palette.highlight : 'transparent',
+}));
+
+interface IFeatureTagCellProps {
+    row: {
+        original: FeatureSchema;
+    };
+    value: string;
+}
+
+export const FeatureTagCell: VFC<IFeatureTagCellProps> = ({ row, value }) => {
+    const { searchQuery } = useSearchHighlightContext();
+
+    if (!row.original.tags || row.original.tags.length === 0)
+        return <TextCell />;
+
+    return (
+        <TextCell>
+            <HtmlTooltip
+                title={
+                    <>
+                        {row.original.tags?.map(tag => (
+                            <StyledTag key={tag.type + tag.value}>
+                                <Highlighter search={searchQuery}>
+                                    {`${tag.type}:${tag.value}`}
+                                </Highlighter>
+                            </StyledTag>
+                        ))}
+                    </>
+                }
+            >
+                <StyledLink
+                    underline="always"
+                    highlighted={
+                        searchQuery.length > 0 && value.includes(searchQuery)
+                    }
+                >
+                    {row.original.tags?.length === 1
+                        ? '1 tag'
+                        : `${row.original.tags?.length} tags`}
+                </StyledLink>
+            </HtmlTooltip>
+        </TextCell>
+    );
+};

frontend/src/component/feature/FeatureToggleList/FeatureToggleListTable.tsx

@@ -20,6 +20,7 @@ import { CreateFeatureButton } from '../CreateFeatureButton/CreateFeatureButton'
 import { FeatureStaleCell } from './FeatureStaleCell/FeatureStaleCell';
 import { useSearch } from 'hooks/useSearch';
 import { Search } from 'component/common/Search/Search';
+import { FeatureTagCell } from 'component/common/Table/cells/FeatureTagCell/FeatureTagCell';
 
 export const featuresPlaceholder: FeatureSchema[] = Array(15).fill({
     name: 'Name of the feature',
@@ -57,6 +58,15 @@ const columns = [
         sortType: 'alphanumeric',
         searchable: true,
     },
+    {
+        id: 'tags',
+        Header: 'Tags',
+        accessor: (row: FeatureSchema) =>
+            row.tags?.map(({ type, value }) => `${type}:${value}`).join('\n') ||
+            '',
+        Cell: FeatureTagCell,
+        searchable: true,
+    },
     {
         Header: 'Created',
         accessor: 'createdAt',
@@ -139,7 +149,7 @@ export const FeatureToggleListTable: VFC = () => {
         setHiddenColumns,
     } = useTable(
         {
-            columns,
+            columns: columns as any[],
             data,
             initialState,
             sortTypes,
@@ -153,14 +163,17 @@ export const FeatureToggleListTable: VFC = () => {
 
     useEffect(() => {
         const hiddenColumns = ['description'];
+        if (!features.some(({ tags }) => tags?.length)) {
+            hiddenColumns.push('tags');
+        }
         if (isMediumScreen) {
             hiddenColumns.push('lastSeenAt', 'stale');
         }
         if (isSmallScreen) {
-            hiddenColumns.push('type', 'createdAt');
+            hiddenColumns.push('type', 'createdAt', 'tags');
         }
         setHiddenColumns(hiddenColumns);
-    }, [setHiddenColumns, isSmallScreen, isMediumScreen]);
+    }, [setHiddenColumns, isSmallScreen, isMediumScreen, features]);
 
     useEffect(() => {
         const tableState: PageQueryType = {};

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

@@ -25,6 +25,7 @@ interface IColumnsMenuProps {
         id: string;
         isVisible: boolean;
         toggleHidden: (state: boolean) => void;
+        hideInMenu?: boolean;
     }[];
     staticColumns?: string[];
     dividerBefore?: string[];
@@ -143,7 +144,9 @@ export const ColumnsMenu: VFC<IColumnsMenuProps> = ({
                     </IconButton>
                 </Box>
                 <MenuList>
-                    {allColumns.map(column => [
+                    {allColumns
+                        .filter(({ hideInMenu }) => !hideInMenu)
+                        .map(column => [
                             <ConditionallyRender
                                 condition={dividerBefore.includes(column.id)}
                                 show={<Divider className={classes.divider} />}
@@ -174,9 +177,12 @@ export const ColumnsMenu: VFC<IColumnsMenuProps> = ({
                                             <ConditionallyRender
                                                 condition={Boolean(
                                                     typeof column.Header ===
-                                                    'string' && column.Header
+                                                        'string' &&
+                                                        column.Header
+                                                )}
+                                                show={() => (
+                                                    <>{column.Header}</>
                                                 )}
-                                            show={() => <>{column.Header}</>}
                                                 elseShow={() => column.id}
                                             />
                                         </Typography>

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

@@ -41,6 +41,8 @@ import { ChangeRequestDialogue } from 'component/changeRequest/ChangeRequestConf
 import { CopyStrategyMessage } from '../../../changeRequest/ChangeRequestConfirmDialog/ChangeRequestMessages/CopyStrategyMessage';
 import { UpdateEnabledMessage } from '../../../changeRequest/ChangeRequestConfirmDialog/ChangeRequestMessages/UpdateEnabledMessage';
 import { useChangeRequestsEnabled } from 'hooks/useChangeRequestsEnabled';
+import { IFeatureToggleListItem } from 'interfaces/featureToggle';
+import { FeatureTagCell } from 'component/common/Table/cells/FeatureTagCell/FeatureTagCell';
 
 interface IProjectFeatureTogglesProps {
     features: IProject['features'];
@@ -192,6 +194,17 @@ export const ProjectFeatureToggles = ({
                 sortType: 'alphanumeric',
                 searchable: true,
             },
+            {
+                id: 'tags',
+                Header: 'Tags',
+                accessor: (row: IFeatureToggleListItem) =>
+                    row.tags
+                        ?.map(({ type, value }) => `${type}:${value}`)
+                        .join('\n') || '',
+                Cell: FeatureTagCell,
+                hideInMenu: true,
+                searchable: true,
+            },
             {
                 Header: 'Created',
                 accessor: 'createdAt',
@@ -259,6 +272,7 @@ export const ProjectFeatureToggles = ({
                     createdAt,
                     type,
                     stale,
+                    tags,
                     environments: featureEnvironments,
                 }) => ({
                     name,
@@ -266,6 +280,7 @@ export const ProjectFeatureToggles = ({
                     createdAt,
                     type,
                     stale,
+                    tags,
                     environments: Object.fromEntries(
                         environments.map(env => [
                             env,
@@ -370,6 +385,16 @@ export const ProjectFeatureToggles = ({
         useSortBy
     );
 
+    useEffect(() => {
+        if (!features.some(({ tags }) => tags?.length)) {
+            setHiddenColumns(hiddenColumns => [...hiddenColumns, 'tags']);
+        } else {
+            setHiddenColumns(hiddenColumns =>
+                hiddenColumns.filter(column => column !== 'tags')
+            );
+        }
+    }, [setHiddenColumns, features]);
+
     useEffect(() => {
         if (loading) {
             return;

frontend/src/interfaces/featureToggle.ts

@@ -1,4 +1,5 @@
 import { IFeatureStrategy } from './strategy';
+import { ITag } from './tags';
 
 export interface IFeatureToggleListItem {
     type: string;
@@ -7,6 +8,7 @@ export interface IFeatureToggleListItem {
     lastSeenAt?: string;
     createdAt: string;
     environments: IEnvironments[];
+    tags?: ITag[];
 }
 
 export interface IEnvironments {

frontend/src/openapi/models/FeatureSchema.ts

@@ -25,6 +25,12 @@ import {
     StrategySchemaFromJSONTyped,
     StrategySchemaToJSON,
 } from './StrategySchema';
+import {
+    TagSchema,
+    TagSchemaFromJSON,
+    TagSchemaFromJSONTyped,
+    TagSchemaToJSON,
+} from './TagSchema';
 import {
     VariantSchema,
     VariantSchemaFromJSON,
@@ -122,32 +128,69 @@ export interface FeatureSchema {
      * @memberof FeatureSchema
      */
     variants?: Array<VariantSchema>;
+    /**
+     *
+     * @type {Array<TagSchema>}
+     * @memberof FeatureSchema
+     */
+    tags?: Array<TagSchema> | null;
 }
 
 export function FeatureSchemaFromJSON(json: any): FeatureSchema {
     return FeatureSchemaFromJSONTyped(json, false);
 }
 
-export function FeatureSchemaFromJSONTyped(json: any, ignoreDiscriminator: boolean): FeatureSchema {
+export function FeatureSchemaFromJSONTyped(
-    if ((json === undefined) || (json === null)) {
+    json: any,
+    ignoreDiscriminator: boolean
+): FeatureSchema {
+    if (json === undefined || json === null) {
         return json;
     }
     return {
-        
+        name: json['name'],
-        'name': json['name'],
+        type: !exists(json, 'type') ? undefined : json['type'],
-        'type': !exists(json, 'type') ? undefined : json['type'],
+        description: !exists(json, 'description')
-        'description': !exists(json, 'description') ? undefined : json['description'],
+            ? undefined
-        'archived': !exists(json, 'archived') ? undefined : json['archived'],
+            : json['description'],
-        'project': !exists(json, 'project') ? undefined : json['project'],
+        archived: !exists(json, 'archived') ? undefined : json['archived'],
-        'enabled': !exists(json, 'enabled') ? undefined : json['enabled'],
+        project: !exists(json, 'project') ? undefined : json['project'],
-        'stale': !exists(json, 'stale') ? undefined : json['stale'],
+        enabled: !exists(json, 'enabled') ? undefined : json['enabled'],
-        'impressionData': !exists(json, 'impressionData') ? undefined : json['impressionData'],
+        stale: !exists(json, 'stale') ? undefined : json['stale'],
-        'createdAt': !exists(json, 'createdAt') ? undefined : (json['createdAt'] === null ? null : new Date(json['createdAt'])),
+        impressionData: !exists(json, 'impressionData')
-        'archivedAt': !exists(json, 'archivedAt') ? undefined : (json['archivedAt'] === null ? null : new Date(json['archivedAt'])),
+            ? undefined
-        'lastSeenAt': !exists(json, 'lastSeenAt') ? undefined : (json['lastSeenAt'] === null ? null : new Date(json['lastSeenAt'])),
+            : json['impressionData'],
-        'environments': !exists(json, 'environments') ? undefined : ((json['environments'] as Array<any>).map(FeatureEnvironmentSchemaFromJSON)),
+        createdAt: !exists(json, 'createdAt')
-        'strategies': !exists(json, 'strategies') ? undefined : ((json['strategies'] as Array<any>).map(StrategySchemaFromJSON)),
+            ? undefined
-        'variants': !exists(json, 'variants') ? undefined : ((json['variants'] as Array<any>).map(VariantSchemaFromJSON)),
+            : json['createdAt'] === null
+            ? null
+            : new Date(json['createdAt']),
+        archivedAt: !exists(json, 'archivedAt')
+            ? undefined
+            : json['archivedAt'] === null
+            ? null
+            : new Date(json['archivedAt']),
+        lastSeenAt: !exists(json, 'lastSeenAt')
+            ? undefined
+            : json['lastSeenAt'] === null
+            ? null
+            : new Date(json['lastSeenAt']),
+        environments: !exists(json, 'environments')
+            ? undefined
+            : (json['environments'] as Array<any>).map(
+                  FeatureEnvironmentSchemaFromJSON
+              ),
+        strategies: !exists(json, 'strategies')
+            ? undefined
+            : (json['strategies'] as Array<any>).map(StrategySchemaFromJSON),
+        variants: !exists(json, 'variants')
+            ? undefined
+            : (json['variants'] as Array<any>).map(VariantSchemaFromJSON),
+        tags: !exists(json, 'tags')
+            ? undefined
+            : json['tags'] === null
+            ? null
+            : (json['tags'] as Array<any>).map(TagSchemaFromJSON),
     };
 }
 
@@ -159,21 +202,51 @@ export function FeatureSchemaToJSON(value?: FeatureSchema | null): any {
         return null;
     }
     return {
-        
+        name: value.name,
-        'name': value.name,
+        type: value.type,
-        'type': value.type,
+        description: value.description,
-        'description': value.description,
+        archived: value.archived,
-        'archived': value.archived,
+        project: value.project,
-        'project': value.project,
+        enabled: value.enabled,
-        'enabled': value.enabled,
+        stale: value.stale,
-        'stale': value.stale,
+        impressionData: value.impressionData,
-        'impressionData': value.impressionData,
+        createdAt:
-        'createdAt': value.createdAt === undefined ? undefined : (value.createdAt === null ? null : value.createdAt.toISOString().substr(0,10)),
+            value.createdAt === undefined
-        'archivedAt': value.archivedAt === undefined ? undefined : (value.archivedAt === null ? null : value.archivedAt.toISOString().substr(0,10)),
+                ? undefined
-        'lastSeenAt': value.lastSeenAt === undefined ? undefined : (value.lastSeenAt === null ? null : value.lastSeenAt.toISOString().substr(0,10)),
+                : value.createdAt === null
-        'environments': value.environments === undefined ? undefined : ((value.environments as Array<any>).map(FeatureEnvironmentSchemaToJSON)),
+                ? null
-        'strategies': value.strategies === undefined ? undefined : ((value.strategies as Array<any>).map(StrategySchemaToJSON)),
+                : value.createdAt.toISOString().substr(0, 10),
-        'variants': value.variants === undefined ? undefined : ((value.variants as Array<any>).map(VariantSchemaToJSON)),
+        archivedAt:
+            value.archivedAt === undefined
+                ? undefined
+                : value.archivedAt === null
+                ? null
+                : value.archivedAt.toISOString().substr(0, 10),
+        lastSeenAt:
+            value.lastSeenAt === undefined
+                ? undefined
+                : value.lastSeenAt === null
+                ? null
+                : value.lastSeenAt.toISOString().substr(0, 10),
+        environments:
+            value.environments === undefined
+                ? undefined
+                : (value.environments as Array<any>).map(
+                      FeatureEnvironmentSchemaToJSON
+                  ),
+        strategies:
+            value.strategies === undefined
+                ? undefined
+                : (value.strategies as Array<any>).map(StrategySchemaToJSON),
+        variants:
+            value.variants === undefined
+                ? undefined
+                : (value.variants as Array<any>).map(VariantSchemaToJSON),
+        tags:
+            value.tags === undefined
+                ? undefined
+                : value.tags === null
+                ? null
+                : (value.tags as Array<any>).map(TagSchemaToJSON),
     };
 }
-

src/lib/__snapshots__/create-config.test.ts.snap

@@ -75,6 +75,7 @@ exports[`should create default config 1`] = `
       "embedProxyFrontend": false,
       "responseTimeWithAppName": false,
       "syncSSOGroups": false,
+      "toggleTagFiltering": false,
     },
   },
   "flagResolver": FlagResolver {
@@ -88,6 +89,7 @@ exports[`should create default config 1`] = `
       "embedProxyFrontend": false,
       "responseTimeWithAppName": false,
       "syncSSOGroups": false,
+      "toggleTagFiltering": false,
     },
     "externalResolver": {
       "isEnabled": [Function],

src/lib/db/feature-strategy-store.ts

@@ -12,12 +12,14 @@ import {
     IFeatureOverview,
     IFeatureStrategy,
     IStrategyConfig,
+    ITag,
 } from '../types/model';
 import { IFeatureStrategiesStore } from '../types/stores/feature-strategies-store';
 import { PartialSome } from '../types/partial';
 import FeatureToggleStore from './feature-toggle-store';
 import { ensureStringValue } from '../util/ensureStringValue';
 import { mapValues } from '../util/map-values';
+import { IFlagResolver } from '../types/experimental';
 
 const COLUMNS = [
     'id',
@@ -111,7 +113,14 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
 
     private readonly timer: Function;
 
-    constructor(db: Knex, eventBus: EventEmitter, getLogger: LogProvider) {
+    private flagResolver: IFlagResolver;
+
+    constructor(
+        db: Knex,
+        eventBus: EventEmitter,
+        getLogger: LogProvider,
+        flagResolver: IFlagResolver,
+    ) {
         this.db = db;
         this.logger = getLogger('feature-toggle-store.ts');
         this.timer = (action) =>
@@ -119,6 +128,7 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
                 store: 'feature-toggle-strategies',
                 action,
             });
+        this.flagResolver = flagResolver;
     }
 
     async delete(key: string): Promise<void> {
@@ -317,13 +327,41 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
         };
     }
 
+    private addTag(
+        feature: Record<string, any>,
+        row: Record<string, any>,
+    ): void {
+        const tags = feature.tags || [];
+        const newTag = FeatureStrategiesStore.rowToTag(row);
+        feature.tags = [...tags, newTag];
+    }
+
+    private isNewTag(
+        feature: Record<string, any>,
+        row: Record<string, any>,
+    ): boolean {
+        return (
+            row.tag_type &&
+            row.tag_value &&
+            !feature.tags?.some(
+                (tag) =>
+                    tag.type === row.tag_type && tag.value === row.tag_value,
+            )
+        );
+    }
+
+    private static rowToTag(r: any): ITag {
+        return {
+            value: r.tag_value,
+            type: r.tag_type,
+        };
+    }
+
     async getFeatureOverview(
         projectId: string,
         archived: boolean = false,
     ): Promise<IFeatureOverview[]> {
-        const rows = await this.db('features')
+        let selectColumns = [
-            .where({ project: projectId })
-            .select(
             'features.name as feature_name',
             'features.type as type',
             'features.created_at as created_at',
@@ -333,7 +371,19 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
             'feature_environments.environment as environment',
             'environments.type as environment_type',
             'environments.sort_order as environment_sort_order',
-            )
+        ];
+
+        if (this.flagResolver.isEnabled('toggleTagFiltering')) {
+            selectColumns = [
+                ...selectColumns,
+                'ft.tag_value as tag_value',
+                'ft.tag_type as tag_type',
+            ];
+        }
+
+        let query = this.db('features')
+            .where({ project: projectId })
+            .select(selectColumns)
             .modify(FeatureToggleStore.filterByArchived, archived)
             .leftJoin(
                 'feature_environments',
@@ -345,12 +395,26 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
                 'feature_environments.environment',
                 'environments.name',
             );
+
+        if (this.flagResolver.isEnabled('toggleTagFiltering')) {
+            query = query.leftJoin(
+                'feature_tag as ft',
+                'ft.feature_name',
+                'features.name',
+            );
+        }
+
+        const rows = await query;
+
         if (rows.length > 0) {
             const overview = rows.reduce((acc, r) => {
                 if (acc[r.feature_name] !== undefined) {
                     acc[r.feature_name].environments.push(
                         FeatureStrategiesStore.getEnvironment(r),
                     );
+                    if (this.isNewTag(acc[r.feature_name], r)) {
+                        this.addTag(acc[r.feature_name], r);
+                    }
                 } else {
                     acc[r.feature_name] = {
                         type: r.type,
@@ -362,9 +426,13 @@ class FeatureStrategiesStore implements IFeatureStrategiesStore {
                             FeatureStrategiesStore.getEnvironment(r),
                         ],
                     };
+                    if (this.isNewTag(acc[r.feature_name], r)) {
+                        this.addTag(acc[r.feature_name], r);
+                    }
                 }
                 return acc;
             }, {});
+
             return Object.values(overview).map((o: IFeatureOverview) => ({
                 ...o,
                 environments: o.environments

src/lib/db/feature-toggle-client-store.ts

@@ -6,6 +6,7 @@ import {
     IFeatureToggleClient,
     IFeatureToggleQuery,
     IStrategyConfig,
+    ITag,
 } from '../types/model';
 import { IFeatureToggleClientStore } from '../types/stores/feature-toggle-client-store';
 import { DEFAULT_ENV } from '../util/constants';
@@ -14,6 +15,7 @@ import EventEmitter from 'events';
 import FeatureToggleStore from './feature-toggle-store';
 import { ensureStringValue } from '../util/ensureStringValue';
 import { mapValues } from '../util/map-values';
+import { IFlagResolver } from '../types/experimental';
 
 export interface FeaturesTable {
     name: string;
@@ -37,11 +39,14 @@ export default class FeatureToggleClientStore
 
     private timer: Function;
 
+    private flagResolver: IFlagResolver;
+
     constructor(
         db: Knex,
         eventBus: EventEmitter,
         getLogger: LogProvider,
         inlineSegmentConstraints: boolean,
+        flagResolver: IFlagResolver,
     ) {
         this.db = db;
         this.logger = getLogger('feature-toggle-client-store.ts');
@@ -51,6 +56,7 @@ export default class FeatureToggleClientStore
                 store: 'feature-toggle',
                 action,
             });
+        this.flagResolver = flagResolver;
     }
 
     private async getAll(
@@ -82,6 +88,14 @@ export default class FeatureToggleClientStore
             'segments.constraints as segment_constraints',
         ];
 
+        if (isAdmin && this.flagResolver.isEnabled('toggleTagFiltering')) {
+            selectColumns = [
+                ...selectColumns,
+                'ft.tag_value as tag_value',
+                'ft.tag_type as tag_type',
+            ];
+        }
+
         let query = this.db('features')
             .select(selectColumns)
             .modify(FeatureToggleStore.filterByArchived, archived)
@@ -108,6 +122,14 @@ export default class FeatureToggleClientStore
             )
             .leftJoin('segments', `segments.id`, `fss.segment_id`);
 
+        if (isAdmin && this.flagResolver.isEnabled('toggleTagFiltering')) {
+            query = query.leftJoin(
+                'feature_tag as ft',
+                'ft.feature_name',
+                'features.name',
+            );
+        }
+
         if (featureQuery) {
             if (featureQuery.tag) {
                 const tagQuery = this.db
@@ -140,6 +162,9 @@ export default class FeatureToggleClientStore
                     FeatureToggleClientStore.rowToStrategy(r),
                 );
             }
+            if (this.isNewTag(feature, r)) {
+                this.addTag(feature, r);
+            }
             if (featureQuery?.inlineSegmentConstraints && r.segment_id) {
                 this.addSegmentToStrategy(feature, r);
             } else if (
@@ -185,6 +210,13 @@ export default class FeatureToggleClientStore
         };
     }
 
+    private static rowToTag(row: Record<string, any>): ITag {
+        return {
+            value: row.tag_value,
+            type: row.tag_type,
+        };
+    }
+
     private static removeIdsFromStrategies(features: IFeatureToggleClient[]) {
         features.forEach((feature) => {
             feature.strategies.forEach((strategy) => {
@@ -203,6 +235,29 @@ export default class FeatureToggleClientStore
         );
     }
 
+    private addTag(
+        feature: Record<string, any>,
+        row: Record<string, any>,
+    ): void {
+        const tags = feature.tags || [];
+        const newTag = FeatureToggleClientStore.rowToTag(row);
+        feature.tags = [...tags, newTag];
+    }
+
+    private isNewTag(
+        feature: PartialDeep<IFeatureToggleClient>,
+        row: Record<string, any>,
+    ): boolean {
+        return (
+            row.tag_type &&
+            row.tag_value &&
+            !feature.tags?.some(
+                (tag) =>
+                    tag.type === row.tag_type && tag.value === row.tag_value,
+            )
+        );
+    }
+
     private addSegmentToStrategy(
         feature: PartialDeep<IFeatureToggleClient>,
         row: Record<string, any>,

src/lib/db/index.ts

@@ -68,12 +68,14 @@ export const createStores = (
             db,
             eventBus,
             getLogger,
+            config.flagResolver,
         ),
         featureToggleClientStore: new FeatureToggleClientStore(
             db,
             eventBus,
             getLogger,
             config.inlineSegmentConstraints,
+            config.flagResolver,
         ),
         environmentStore: new EnvironmentStore(db, eventBus, getLogger),
         featureTagStore: new FeatureTagStore(db, eventBus, getLogger),

src/lib/openapi/spec/feature-schema.ts

@@ -5,6 +5,7 @@ import { overrideSchema } from './override-schema';
 import { parametersSchema } from './parameters-schema';
 import { environmentSchema } from './environment-schema';
 import { featureStrategySchema } from './feature-strategy-schema';
+import { tagSchema } from './tag-schema';
 
 export const featureSchema = {
     $id: '#/components/schemas/featureSchema',
@@ -69,6 +70,13 @@ export const featureSchema = {
                 $ref: '#/components/schemas/variantSchema',
             },
         },
+        tags: {
+            type: 'array',
+            items: {
+                $ref: '#/components/schemas/tagSchema',
+            },
+            nullable: true,
+        },
     },
     components: {
         schemas: {
@@ -78,6 +86,7 @@ export const featureSchema = {
             parametersSchema,
             featureStrategySchema,
             variantSchema,
+            tagSchema,
         },
     },
 } as const;

src/lib/types/experimental.ts

@@ -34,6 +34,10 @@ export const defaultExperimentalOptions = {
             process.env.UNLEASH_EXPERIMENTAL_CLONE_ENVIRONMENT,
             false,
         ),
+        toggleTagFiltering: parseEnvVarBoolean(
+            process.env.UNLEASH_EXPERIMENTAL_TOGGLE_TAG_FILTERING,
+            false,
+        ),
     },
     externalResolver: { isEnabled: (): boolean => false },
 };

src/lib/types/model.ts

@@ -68,6 +68,7 @@ export interface IFeatureToggleClient {
     impressionData?: boolean;
     lastSeenAt?: Date;
     createdAt?: Date;
+    tags?: ITag[];
 }
 
 export interface IFeatureEnvironmentInfo {

src/server-dev.ts

@@ -41,6 +41,7 @@ process.nextTick(async () => {
                         syncSSOGroups: true,
                         changeRequests: true,
                         cloneEnvironment: true,
+                        toggleTagFiltering: true,
                     },
                 },
                 authentication: {

src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap

@@ -1212,6 +1212,13 @@ exports[`should serve the OpenAPI spec 1`] = `
             },
             "type": "array",
           },
+          "tags": {
+            "items": {
+              "$ref": "#/components/schemas/tagSchema",
+            },
+            "nullable": true,
+            "type": "array",
+          },
           "type": {
             "type": "string",
           },

src/test/fixtures/fake-feature-strategies-store.ts

@@ -193,6 +193,7 @@ export default class FakeFeatureStrategiesStore
             type: t.type || 'Release',
             stale: t.stale || false,
             variants: [],
+            tags: [],
         }));
         return Promise.resolve(clientRows);
     }

src/test/fixtures/fake-feature-toggle-client-store.ts

@@ -41,6 +41,7 @@ export default class FakeFeatureToggleClientStore
             type: t.type || 'Release',
             stale: t.stale || false,
             variants: [],
+            tags: [],
         }));
         return Promise.resolve(clientRows);
     }