feat: kept and discarded read model (#7045)

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/populateCurrentStage.ts

@@ -43,7 +43,10 @@ export const populateCurrentStage = (
         case 'completed':
             return {
                 name: 'completed',
-                status: 'kept',
+                status:
+                    feature.lifecycle.status === 'discarded'
+                        ? 'discarded'
+                        : 'kept',
                 environments: getFilteredEnvironments(() => true),
                 enteredStageAt,
             };

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureOverviewMetaData/FeatureOverviewMetaData.tsx

@@ -137,7 +137,10 @@ const FeatureOverviewMetaData = () => {
                         <span>{project}</span>
                     </SpacedBodyItem>
                     <ConditionallyRender
-                        condition={featureLifecycleEnabled}
+                        condition={
+                            featureLifecycleEnabled &&
+                            Boolean(feature.lifecycle)
+                        }
                         show={
                             <SpacedBodyItem data-loading>
                                 <StyledLabel>Lifecycle:</StyledLabel>

frontend/src/interfaces/featureToggle.ts

@@ -34,6 +34,7 @@ export type ILastSeenEnvironments = Pick<
 
 export type Lifecycle = {
     stage: 'initial' | 'pre-live' | 'live' | 'completed' | 'archived';
+    status?: string;
     enteredStageAt: string;
 };
 

src/lib/features/feature-lifecycle/fake-feature-lifecycle-store.ts

@@ -27,6 +27,9 @@ export class FakeFeatureLifecycleStore implements IFeatureLifecycleStore {
             ...existingStages,
             {
                 stage: featureLifecycleStage.stage,
+                ...(featureLifecycleStage.status
+                    ? { status: featureLifecycleStage.status }
+                    : {}),
                 enteredStageAt: new Date(),
             },
         ];

src/lib/features/feature-lifecycle/feature-lifecycle-read-model.ts

@@ -6,6 +6,7 @@ import type { IFeatureLifecycleStage, StageName } from '../../types';
 type DBType = {
     feature: string;
     stage: StageName;
+    status: string | null;
     created_at: Date;
 };
 
@@ -23,8 +24,9 @@ export class FeatureLifecycleReadModel implements IFeatureLifecycleReadModel {
             .where({ feature })
             .orderBy('created_at', 'asc');
 
-        const stages = results.map(({ stage, created_at }: DBType) => ({
+        const stages = results.map(({ stage, status, created_at }: DBType) => ({
             stage,
+            ...(status ? { status } : {}),
             enteredStageAt: created_at,
         }));
 

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

@@ -10,8 +10,8 @@ import type { StageName } from '../../types';
 type DBType = {
     stage: StageName;
     created_at: string;
-    status?: string;
-    status_value?: string;
+    status: string | null;
+    status_value: string | null;
 };
 
 type DBProjectType = DBType & {
@@ -64,8 +64,9 @@ export class FeatureLifecycleStore implements IFeatureLifecycleStore {
             .where({ feature })
             .orderBy('created_at', 'asc');
 
-        return results.map(({ stage, created_at }: DBType) => ({
+        return results.map(({ stage, status, created_at }: DBType) => ({
             stage,
+            ...(status ? { status } : {}),
             enteredStageAt: new Date(created_at),
         }));
     }

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

@@ -18,12 +18,15 @@ import {
     STAGE_ENTERED,
 } from './feature-lifecycle-service';
 import type { FeatureLifecycleCompletedSchema } from '../../openapi';
+import { FeatureLifecycleReadModel } from './feature-lifecycle-read-model';
+import type { IFeatureLifecycleReadModel } from './feature-lifecycle-read-model-type';
 
 let app: IUnleashTest;
 let db: ITestDb;
 let featureLifecycleService: FeatureLifecycleService;
 let eventStore: IEventStore;
 let eventBus: EventEmitter;
+let featureLifecycleReadModel: IFeatureLifecycleReadModel;
 
 beforeAll(async () => {
     db = await dbInit('feature_lifecycle', getLogger);
@@ -41,6 +44,7 @@ beforeAll(async () => {
     eventStore = db.stores.eventStore;
     eventBus = app.config.eventBus;
     featureLifecycleService = app.services.featureLifecycleService;
+    featureLifecycleReadModel = new FeatureLifecycleReadModel(db.rawDatabase);
 
     await app.request
         .post(`/auth/demo/login`)
@@ -62,6 +66,11 @@ const getFeatureLifecycle = async (featureName: string, expectedCode = 200) => {
         .get(`/api/admin/projects/default/features/${featureName}/lifecycle`)
         .expect(expectedCode);
 };
+
+const getCurrentStage = async (featureName: string) => {
+    return featureLifecycleReadModel.findCurrentStage(featureName);
+};
+
 const completeFeature = async (
     featureName: string,
     status: FeatureLifecycleCompletedSchema,
@@ -166,6 +175,8 @@ test('should be able to toggle between completed/uncompleted', async () => {
         status: 'kept',
         statusValue: 'variant1',
     });
+    const currentStage = await getCurrentStage('my_feature_b');
+    expect(currentStage).toMatchObject({ stage: 'completed', status: 'kept' });
 
     await expectFeatureStage('my_feature_b', 'completed');
 

src/lib/features/feature-lifecycle/get-current-stage.test.ts

@@ -12,6 +12,7 @@ describe('getCurrentStage', () => {
             },
             {
                 stage: 'completed',
+                status: 'kept',
                 enteredStageAt: irrelevantDate,
             },
             {

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

@@ -79,6 +79,7 @@ class FeatureSearchStore implements IFeatureSearchStore {
             .select(
                 'feature as stage_feature',
                 'stage as latest_stage',
+                'status as stage_status',
                 'created_at as entered_stage_at',
             )
             .distinctOn('stage_feature')
@@ -416,6 +417,9 @@ class FeatureSearchStore implements IFeatureSearchStore {
                     entry.lifecycle = row.latest_stage
                         ? {
                               stage: row.latest_stage,
+                              ...(row.stage_status
+                                  ? { status: row.stage_status }
+                                  : {}),
                               enteredStageAt: row.entered_stage_at,
                           }
                         : undefined;

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

@@ -962,7 +962,7 @@ test('should return environment usage metrics and lifecycle', async () => {
         { feature: 'my_feature_b', stage: 'initial' },
     ]);
     await stores.featureLifecycleStore.insert([
-        { feature: 'my_feature_b', stage: 'pre-live' },
+        { feature: 'my_feature_b', stage: 'completed', status: 'discarded' },
     ]);
 
     const { body } = await searchFeatures({
@@ -972,7 +972,7 @@ test('should return environment usage metrics and lifecycle', async () => {
         features: [
             {
                 name: 'my_feature_b',
-                lifecycle: { stage: 'pre-live' },
+                lifecycle: { stage: 'completed', status: 'discarded' },
                 environments: [
                     {
                         name: 'default',

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

@@ -16,6 +16,12 @@ export const featureLifecycleSchema = {
                 description:
                     'The name of the lifecycle stage that got recorded for a given feature',
             },
+            status: {
+                type: 'string',
+                example: 'kept',
+                description:
+                    'The name of the detailed status of a given stage. E.g. completed stage can be kept or discarded.',
+            },
             enteredStageAt: {
                 type: 'string',
                 format: 'date-time',

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

@@ -161,6 +161,13 @@ export const featureSearchResponseSchema = {
                     ],
                     example: 'initial',
                 },
+                status: {
+                    type: 'string',
+                    nullable: true,
+                    example: 'kept',
+                    description:
+                        'The name of the detailed status of a given stage. E.g. completed stage can be kept or discarded.',
+                },
                 enteredStageAt: {
                     description: 'When the feature entered this stage',
                     type: 'string',

src/lib/types/model.ts

@@ -163,6 +163,7 @@ export type StageName =
 export interface IFeatureLifecycleStage {
     stage: StageName;
     enteredStageAt: Date;
+    status?: string;
 }
 
 export type IProjectLifecycleStageDuration = {