refactor: playground uses segment read model (#6424)

src/lib/features/playground/playground-service.ts

@@ -4,22 +4,28 @@ import { IUnleashServices } from '../../types/services';
 import { ALL } from '../../types/models/api-token';
 import { PlaygroundFeatureSchema } from '../../openapi/spec/playground-feature-schema';
 import { Logger } from '../../logger';
-import { IFlagResolver, ISegment, IUnleashConfig } from '../../types';
+import {
+    IFlagResolver,
+    ISegment,
+    ISegmentReadModel,
+    IUnleashConfig,
+} from '../../types';
 import { offlineUnleashClient } from './offline-unleash-client';
 import { FeatureInterface } from '../../features/playground/feature-evaluator/feature';
 import {
     EvaluatedPlaygroundStrategy,
     FeatureStrategiesEvaluationResult,
 } from '../../features/playground/feature-evaluator/client';
-import { ISegmentService } from '../../segments/segment-service-interface';
 import { FeatureConfigurationClient } from '../feature-toggle/types/feature-toggle-strategies-store-type';
 import { generateObjectCombinations } from './generateObjectCombinations';
 import groupBy from 'lodash.groupby';
 import { omitKeys } from '../../util';
-import { AdvancedPlaygroundFeatureSchema } from '../../openapi';
+import {
+    AdvancedPlaygroundFeatureSchema,
+    playgroundStrategyEvaluation,
+} from '../../openapi';
 import { AdvancedPlaygroundEnvironmentFeatureSchema } from '../../openapi/spec/advanced-playground-environment-feature-schema';
 import { validateQueryComplexity } from './validateQueryComplexity';
-import { playgroundStrategyEvaluation } from '../../openapi';
 import { IPrivateProjectChecker } from '../private-project/privateProjectCheckerType';
 import { getDefaultVariant } from './feature-evaluator/variant';
 
@@ -66,30 +72,28 @@ export class PlaygroundService {
 
     private readonly featureToggleService: FeatureToggleService;
 
-    private readonly segmentService: ISegmentService;
+    private readonly flagResolver: IFlagResolver;
 
-    private flagResolver: IFlagResolver;
+    private readonly privateProjectChecker: IPrivateProjectChecker;
 
-    private privateProjectChecker: IPrivateProjectChecker;
+    private readonly segmentReadModel: ISegmentReadModel;
 
     constructor(
         config: IUnleashConfig,
         {
             featureToggleServiceV2,
-            segmentService,
             privateProjectChecker,
         }: Pick<
             IUnleashServices,
-            | 'featureToggleServiceV2'
+            'featureToggleServiceV2' | 'privateProjectChecker'
-            | 'segmentService'
-            | 'privateProjectChecker'
         >,
+        segmentReadModel: ISegmentReadModel,
     ) {
         this.logger = config.getLogger('services/playground-service.ts');
         this.flagResolver = config.flagResolver;
         this.featureToggleService = featureToggleServiceV2;
-        this.segmentService = segmentService;
         this.privateProjectChecker = privateProjectChecker;
+        this.segmentReadModel = segmentReadModel;
     }
 
     async evaluateAdvancedQuery(
@@ -99,7 +103,7 @@ export class PlaygroundService {
         limit: number,
         userId: number,
     ): Promise<AdvancedPlaygroundFeatureEvaluationResult[]> {
-        const segments = await this.segmentService.getActive();
+        const segments = await this.segmentReadModel.getActive();
 
         let filteredProjects: typeof projects = projects;
 
@@ -266,7 +270,7 @@ export class PlaygroundService {
     ): Promise<PlaygroundFeatureEvaluationResult[]> {
         const [{ features, featureProject }, segments] = await Promise.all([
             this.resolveFeatures(projects, environment),
-            this.segmentService.getActive(),
+            this.segmentReadModel.getActive(),
         ]);
 
         const result = await this.evaluate({

src/lib/features/segment/fake-segment-read-model.ts

@@ -1,4 +1,4 @@
-import { IFeatureStrategySegment, ISegment } from '../../types';
+import { IClientSegment, IFeatureStrategySegment, ISegment } from '../../types';
 import { ISegmentReadModel } from './segment-read-model-type';
 
 export class FakeSegmentReadModel implements ISegmentReadModel {
@@ -9,4 +9,12 @@ export class FakeSegmentReadModel implements ISegmentReadModel {
     async getAllFeatureStrategySegments(): Promise<IFeatureStrategySegment[]> {
         return [];
     }
+
+    async getActive(): Promise<ISegment[]> {
+        return [];
+    }
+
+    async getActiveForClient(): Promise<IClientSegment[]> {
+        return [];
+    }
 }

src/lib/features/segment/segment-read-model-type.ts

@@ -1,6 +1,8 @@
-import { IFeatureStrategySegment, ISegment } from '../../types';
+import { IClientSegment, IFeatureStrategySegment, ISegment } from '../../types';
 
 export interface ISegmentReadModel {
     getAll(): Promise<ISegment[]>;
     getAllFeatureStrategySegments(): Promise<IFeatureStrategySegment[]>;
+    getActive(): Promise<ISegment[]>;
+    getActiveForClient(): Promise<IClientSegment[]>;
 }

src/lib/features/segment/segment-read-model.ts

@@ -1,4 +1,9 @@
-import { IConstraint, IFeatureStrategySegment, ISegment } from '../../types';
+import {
+    IClientSegment,
+    IConstraint,
+    IFeatureStrategySegment,
+    ISegment,
+} from '../../types';
 import { ISegmentReadModel } from './segment-read-model-type';
 import NotFoundError from '../../error/notfound-error';
 import { Db } from '../../db/db';
@@ -75,4 +80,28 @@ export class SegmentReadModel implements ISegmentReadModel {
             segmentId: row.segment_id,
         }));
     }
+
+    async getActive(): Promise<ISegment[]> {
+        const rows: ISegmentRow[] = await this.db
+            .distinct(this.prefixColumns())
+            .from('segments')
+            .orderBy('name', 'asc')
+            .join(
+                'feature_strategy_segment',
+                'feature_strategy_segment.segment_id',
+                'segments.id',
+            );
+
+        return rows.map(this.mapRow);
+    }
+
+    async getActiveForClient(): Promise<IClientSegment[]> {
+        const fullSegments = await this.getActive();
+
+        return fullSegments.map((segments) => ({
+            id: segments.id,
+            name: segments.name,
+            constraints: segments.constraints,
+        }));
+    }
 }

src/lib/segments/segment-service-interface.ts

@@ -33,8 +33,6 @@ export interface ISegmentService {
 
     validateName(name: string): Promise<void>;
 
-    getActive(): Promise<ISegment[]>;
-
     getActiveForClient(): Promise<IClientSegment[]>;
 
     getAll(): Promise<ISegment[]>;

src/lib/services/index.ts

@@ -109,6 +109,8 @@ import {
     createInstanceStatsService,
 } from '../features/instance-stats/createInstanceStatsService';
 import { InactiveUsersService } from '../users/inactive/inactive-users-service';
+import { SegmentReadModel } from '../features/segment/segment-read-model';
+import { FakeSegmentReadModel } from '../features/segment/fake-segment-read-model';
 
 export const createServices = (
     stores: IUnleashStores,
@@ -138,6 +140,9 @@ export const createServices = (
     const dependentFeaturesReadModel = db
         ? new DependentFeaturesReadModel(db)
         : new FakeDependentFeaturesReadModel();
+    const segmentReadModel = db
+        ? new SegmentReadModel(db)
+        : new FakeSegmentReadModel();
 
     const contextService = new ContextService(
         stores,
@@ -270,11 +275,14 @@ export const createServices = (
     const userSplashService = new UserSplashService(stores, config);
     const openApiService = new OpenApiService(config);
     const clientSpecService = new ClientSpecService(config);
-    const playgroundService = new PlaygroundService(config, {
+    const playgroundService = new PlaygroundService(
+        config,
+        {
             featureToggleServiceV2,
-        segmentService,
             privateProjectChecker,
-    });
+        },
+        segmentReadModel,
+    );
 
     const configurationRevisionService = new ConfigurationRevisionService(
         stores,

src/lib/services/segment-service.ts

@@ -79,10 +79,6 @@ export class SegmentService implements ISegmentService {
         return this.segmentStore.getAll(this.config.isEnterprise);
     }
 
-    async getActive(): Promise<ISegment[]> {
-        return this.segmentStore.getActive();
-    }
-
     async getActiveForClient(): Promise<IClientSegment[]> {
         return this.segmentStore.getActiveForClient();
     }

src/test/e2e/api/admin/state.e2e.test.ts

@@ -377,7 +377,7 @@ test(`should import segments and connect them to feature strategies`, async () =
         .expect(202);
 
     const allSegments = await app.services.segmentService.getAll();
-    const activeSegments = await app.services.segmentService.getActive();
+    const activeSegments = await db.stores.segmentReadModel.getActive();
 
     expect(allSegments.length).toEqual(2);
     expect(collectIds(allSegments)).toEqual([1, 2]);

src/test/e2e/services/playground-service.test.ts

@@ -20,18 +20,14 @@ import { SdkContextSchema } from '../../../lib/openapi/spec/sdk-context-schema';
 import { SegmentSchema } from '../../../lib/openapi/spec/segment-schema';
 import { playgroundStrategyEvaluation } from '../../../lib/openapi/spec/playground-strategy-schema';
 import { PlaygroundSegmentSchema } from '../../../lib/openapi/spec/playground-segment-schema';
-import { ISegmentService } from '../../../lib/segments/segment-service-interface';
 import { createPrivateProjectChecker } from '../../../lib/features/private-project/createPrivateProjectChecker';
-import {
+import { createFeatureToggleService } from '../../../lib/features';
-    createFeatureToggleService,
+import { SegmentReadModel } from '../../../lib/features/segment/segment-read-model';
-    createSegmentService,
-} from '../../../lib/features';
 
 let stores: IUnleashStores;
 let db: ITestDb;
 let service: PlaygroundService;
 let featureToggleService: FeatureToggleService;
-let segmentService: ISegmentService;
 
 beforeAll(async () => {
     const config = createTestConfig();
@@ -41,14 +37,17 @@ beforeAll(async () => {
         db.rawDatabase,
         config,
     );
-    segmentService = createSegmentService(db.rawDatabase, config);
+    const segmentReadModel = new SegmentReadModel(db.rawDatabase);
 
     featureToggleService = createFeatureToggleService(db.rawDatabase, config);
-    service = new PlaygroundService(config, {
+    service = new PlaygroundService(
+        config,
+        {
             featureToggleServiceV2: featureToggleService,
-        segmentService,
             privateProjectChecker,
-    });
+        },
+        segmentReadModel,
+    );
 });
 
 afterAll(async () => {