feat: link templates applied on flags (#9976)

src/lib/features/feature-toggle/createFeatureToggleService.ts

@@ -61,6 +61,10 @@ import { FakeFeatureCollaboratorsReadModel } from './fake-feature-collaborators-
 import { FeatureCollaboratorsReadModel } from './feature-collaborators-read-model';
 import { FeatureLinksReadModel } from '../feature-links/feature-links-read-model';
 import { FakeFeatureLinksReadModel } from '../feature-links/fake-feature-links-read-model';
+import {
+    createFakeFeatureLinkService,
+    createFeatureLinkService,
+} from '../feature-links/createFeatureLinkService';
 
 export const createFeatureToggleService = (
     db: Db,
@@ -132,6 +136,8 @@ export const createFeatureToggleService = (
 
     const featureLinksReadModel = new FeatureLinksReadModel(db, eventBus);
 
+    const featureLinkService = createFeatureLinkService(config)(db);
+
     const featureToggleService = new FeatureToggleService(
         {
             featureStrategiesStore,
@@ -155,6 +161,7 @@ export const createFeatureToggleService = (
             featureLifecycleReadModel,
             featureCollaboratorsReadModel,
             featureLinksReadModel,
+            featureLinkService,
         },
     );
     return featureToggleService;
@@ -197,6 +204,7 @@ export const createFakeFeatureToggleService = (config: IUnleashConfig) => {
     const featureCollaboratorsReadModel =
         new FakeFeatureCollaboratorsReadModel();
     const featureLinksReadModel = new FakeFeatureLinksReadModel();
+    const { featureLinkService } = createFakeFeatureLinkService(config);
 
     const featureToggleService = new FeatureToggleService(
         {
@@ -226,6 +234,7 @@ export const createFakeFeatureToggleService = (config: IUnleashConfig) => {
             featureLifecycleReadModel,
             featureCollaboratorsReadModel,
             featureLinksReadModel,
+            featureLinkService,
         },
     );
     return {

src/lib/features/feature-toggle/feature-toggle-service.ts

@@ -117,6 +117,7 @@ import type {
     IFeatureLink,
     IFeatureLinksReadModel,
 } from '../feature-links/feature-links-read-model-type';
+import type FeatureLinkService from '../feature-links/feature-link-service';
 
 interface IFeatureContext {
     featureName: string;
@@ -176,6 +177,7 @@ export type ServicesAndReadModels = {
     dependentFeaturesService: DependentFeaturesService;
     featureLifecycleReadModel: IFeatureLifecycleReadModel;
     featureCollaboratorsReadModel: IFeatureCollaboratorsReadModel;
+    featureLinkService: FeatureLinkService;
     featureLinksReadModel: IFeatureLinksReadModel;
 };
 
@@ -218,6 +220,8 @@ class FeatureToggleService {
 
     private featureLinksReadModel: IFeatureLinksReadModel;
 
+    private featureLinkService: FeatureLinkService;
+
     private dependentFeaturesService: DependentFeaturesService;
 
     private eventBus: EventEmitter;
@@ -247,6 +251,7 @@ class FeatureToggleService {
             featureLifecycleReadModel,
             featureCollaboratorsReadModel,
             featureLinksReadModel,
+            featureLinkService,
         }: ServicesAndReadModels,
     ) {
         this.logger = getLogger('services/feature-toggle-service.ts');
@@ -269,6 +274,7 @@ class FeatureToggleService {
         this.featureLifecycleReadModel = featureLifecycleReadModel;
         this.featureCollaboratorsReadModel = featureCollaboratorsReadModel;
         this.featureLinksReadModel = featureLinksReadModel;
+        this.featureLinkService = featureLinkService;
         this.eventBus = eventBus;
         this.resourceLimits = resourceLimits;
     }
@@ -1340,6 +1346,8 @@ class FeatureToggleService {
                 }),
             );
 
+            await this.addLinksFromTemplates(projectId, featureName, auditUser);
+
             return createdToggle;
         }
         throw new NotFoundError(
@@ -2543,6 +2551,32 @@ class FeatureToggleService {
             });
         }
     }
+
+    async addLinksFromTemplates(
+        projectId: string,
+        featureName: string,
+        auditUser: IAuditUser,
+    ) {
+        if (!this.flagResolver.isEnabled('projectLinkTemplates')) {
+            return;
+        }
+
+        const featureLinksFromTemplates = (
+            await this.projectStore.getProjectLinkTemplates(projectId)
+        ).map((template) => ({
+            title: template.title,
+            url: template.urlTemplate
+                .replace(/{{project}}/g, projectId)
+                .replace(/{{feature}}/g, featureName),
+            featureName,
+        }));
+
+        return Promise.all(
+            featureLinksFromTemplates.map((link) =>
+                this.featureLinkService.createLink(projectId, link, auditUser),
+            ),
+        );
+    }
 }
 
 export default FeatureToggleService;

src/lib/features/feature-toggle/tests/feature-toggle-service.e2e.test.ts

@@ -25,16 +25,19 @@ import {
 import type { ISegmentService } from '../../segment/segment-service-interface';
 import {
     createEventsService,
+    createFeatureLinkService,
     createFeatureToggleService,
     createSegmentService,
 } from '../..';
 import { insertLastSeenAt } from '../../../../test/e2e/helpers/test-helper';
 import type { EventService } from '../../../services';
+import type FeatureLinkService from '../../feature-links/feature-link-service';
 
 let stores: IUnleashStores;
 let db: ITestDb;
 let service: FeatureToggleService;
 let segmentService: ISegmentService;
+let featureLinkService: FeatureLinkService;
 let eventService: EventService;
 let environmentService: EnvironmentService;
 let unleashConfig: IUnleashConfig;
@@ -49,19 +52,27 @@ const mockConstraints = (): IConstraint[] => {
 const irrelevantDate = new Date();
 
 beforeAll(async () => {
-    const config = createTestConfig({
-        experimental: { flags: {} },
-    });
+    const flags = {
+        featureLinks: true,
+        projectLinkTemplates: true,
+    };
+    const config = createTestConfig({ experimental: { flags } });
+
     db = await dbInit(
         'feature_toggle_service_v2_service_serial',
         config.getLogger,
-        { dbInitMethod: 'legacy' as const },
+        {
+            dbInitMethod: 'legacy' as const,
+            experimental: { flags },
+        },
     );
     unleashConfig = config;
     stores = db.stores;
 
     segmentService = createSegmentService(db.rawDatabase, config);
 
+    featureLinkService = createFeatureLinkService(config)(db.rawDatabase);
+
     service = createFeatureToggleService(db.rawDatabase, config);
 
     eventService = createEventsService(db.rawDatabase, config);
@@ -878,3 +889,47 @@ test('Should enable disabled strategies on feature environment enabled', async (
     const strategy = await service.getStrategy(createdConfig.id);
     expect(strategy).toMatchObject({ ...config, disabled: false });
 });
+
+test('Should add links from templates when creating a feature flag', async () => {
+    const projectId = 'default';
+    const featureName = 'test-link-feature';
+
+    await stores.projectStore.updateProjectEnterpriseSettings({
+        id: projectId,
+        linkTemplates: [
+            {
+                title: 'Issue tracker',
+                urlTemplate:
+                    'https://issues.example.com/project/{{project}}/tasks/{{feature}}',
+            },
+            {
+                title: 'Docs',
+                urlTemplate: 'https://docs.example.com/{{project}}/{{feature}}',
+            },
+        ],
+    });
+
+    await service.createFeatureToggle(
+        projectId,
+        { name: featureName },
+        TEST_AUDIT_USER,
+    );
+
+    const links = await featureLinkService.getAll();
+
+    expect(links.length).toBe(2);
+    expect(links).toEqual(
+        expect.arrayContaining([
+            expect.objectContaining({
+                title: 'Issue tracker',
+                url: `https://issues.example.com/project/${projectId}/tasks/${featureName}`,
+                featureName,
+            }),
+            expect.objectContaining({
+                title: 'Docs',
+                url: `https://docs.example.com/${projectId}/${featureName}`,
+                featureName,
+            }),
+        ]),
+    );
+});

src/lib/services/index.ts

@@ -69,6 +69,7 @@ import {
     createFakeAccessService,
     createFakeEnvironmentService,
     createFakeEventsService,
+    createFakeFeatureLinkService,
     createFakeFeatureToggleService,
     createFakeProjectService,
     createFakeUserSubscriptionsService,
@@ -158,7 +159,6 @@ import {
     createFakeContextService,
 } from '../features/context/createContextService';
 import { UniqueConnectionService } from '../features/unique-connection/unique-connection-service';
-import { createFakeFeatureLinkService } from '../features/feature-links/createFeatureLinkService';
 import { UnknownFlagsService } from '../features/metrics/unknown-flags/unknown-flags-service';
 
 export const createServices = (
@@ -323,6 +323,15 @@ export const createServices = (
     const importService = db
         ? withTransactional(deferredExportImportTogglesService(config), db)
         : withFakeTransactional(createFakeExportImportTogglesService(config));
+
+    const transactionalFeatureLinkService = db
+        ? withTransactional(createFeatureLinkService(config), db)
+        : withFakeTransactional(
+              createFakeFeatureLinkService(config).featureLinkService,
+          );
+
+    const featureLinkService = transactionalFeatureLinkService;
+
     const featureToggleService = db
         ? withTransactional((db) => createFeatureToggleService(db, config), db)
         : withFakeTransactional(
@@ -417,14 +426,6 @@ export const createServices = (
         ? withTransactional(createUserSubscriptionsService(config), db)
         : withFakeTransactional(createFakeUserSubscriptionsService(config));
 
-    const transactionalFeatureLinkService = db
-        ? withTransactional(createFeatureLinkService(config), db)
-        : withFakeTransactional(
-              createFakeFeatureLinkService(config).featureLinkService,
-          );
-
-    const featureLinkService = transactionalFeatureLinkService;
-
     return {
         transactionalAccessService,
         accessService,