feat: add option to return disabled strategies (#5059)

Adds the option to include disabled strategies (behind the
playgroundImprovements flag

Closes #
[1-1505](https://linear.app/unleash/issue/1-1505/return-disabled-strategies-in-the-playground-features-request)

---------

Signed-off-by: andreas-unleash <andreas@getunleash.ai>

src/lib/features/feature-toggle/converters/feature-toggle-row-converter.ts

@@ -70,6 +70,7 @@ export class FeatureToggleRowConverter {
             constraints: row.constraints || [],
             parameters: mapValues(row.parameters || {}, ensureStringValue),
             sortOrder: row.sort_order,
+            disabled: row.strategy_disabled,
         };
         strategy.variants = row.strategy_variants || [];
         return strategy;
@@ -111,6 +112,7 @@ export class FeatureToggleRowConverter {
         row: any,
         feature: PartialDeep<IFeatureToggleClient>,
         featureQuery?: IFeatureToggleQuery,
+        includeDisabledStrategies?: boolean,
     ) => {
         feature.impressionData = row.impression_data;
         feature.enabled = !!row.enabled;
@@ -123,7 +125,10 @@ export class FeatureToggleRowConverter {
         feature.variants = row.variants || [];
         feature.project = row.project;
 
-        if (this.isUnseenStrategyRow(feature, row) && !row.strategy_disabled) {
+        if (
+            this.isUnseenStrategyRow(feature, row) &&
+            (includeDisabledStrategies ? true : !row.strategy_disabled)
+        ) {
             feature.strategies?.push(this.rowToStrategy(row));
         }
         if (this.isNewTag(feature, row)) {
@@ -141,13 +146,19 @@ export class FeatureToggleRowConverter {
     buildFeatureToggleListFromRows = (
         rows: any[],
         featureQuery?: IFeatureToggleQuery,
+        includeDisabledStrategies?: boolean,
     ): FeatureToggle[] => {
         const result = rows.reduce((acc, r) => {
             let feature: PartialDeep<IFeatureToggleClient> = acc[r.name] ?? {
                 strategies: [],
             };
 
-            feature = this.createBaseFeature(r, feature, featureQuery);
+            feature = this.createBaseFeature(
+                r,
+                feature,
+                featureQuery,
+                includeDisabledStrategies,
+            );
 
             feature.createdAt = r.created_at;
             feature.favorite = r.favorite;
@@ -162,6 +173,7 @@ export class FeatureToggleRowConverter {
     buildPlaygroundFeaturesFromRows = (
         rows: any[],
         dependentFeaturesEnabled: boolean,
+        includeDisabledStrategies: boolean,
         featureQuery?: IFeatureToggleQuery,
     ): FeatureConfigurationClient[] => {
         const result = rows.reduce((acc, r) => {
@@ -169,7 +181,12 @@ export class FeatureToggleRowConverter {
                 strategies: [],
             };
 
-            feature = this.createBaseFeature(r, feature, featureQuery);
+            feature = this.createBaseFeature(
+                r,
+                feature,
+                featureQuery,
+                includeDisabledStrategies,
+            );
 
             if (r.parent && dependentFeaturesEnabled) {
                 feature.dependencies = feature.dependencies || [];

src/lib/features/feature-toggle/fakes/fake-feature-toggle-store.ts

@@ -165,6 +165,7 @@ export default class FakeFeatureToggleStore implements IFeatureToggleStore {
 
     async getPlaygroundFeatures(
         dependentFeaturesEnabled: boolean,
+        includeDisabledStrategies: boolean,
         query?: IFeatureToggleQuery,
     ): Promise<FeatureConfigurationClient[]> {
         return this.features.filter(

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

@@ -1056,6 +1056,7 @@ class FeatureToggleService {
                 await this.clientFeatureToggleStore.getPlayground(query || {}),
                 await this.featureToggleStore.getPlaygroundFeatures(
                     this.flagResolver.isEnabled('dependentFeatures'),
+                    this.flagResolver.isEnabled('playgroundImprovements'),
                     query,
                 ),
             ]);

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

@@ -123,6 +123,7 @@ export default class FeatureToggleStore implements IFeatureToggleStore {
         featureQuery?: IFeatureToggleQuery,
         userId?: number,
         archived: boolean = false,
+        includeDisabledStrategies: boolean = false,
     ): Promise<FeatureToggle[]> {
         const environment = featureQuery?.environment || DEFAULT_ENV;
 
@@ -150,11 +151,13 @@ export default class FeatureToggleStore implements IFeatureToggleStore {
         return this.featureToggleRowConverter.buildFeatureToggleListFromRows(
             rows,
             featureQuery,
+            includeDisabledStrategies,
         );
     }
 
     async getPlaygroundFeatures(
         dependentFeaturesEnabled: boolean,
+        includeDisabledStrategies: boolean,
         featureQuery: IFeatureToggleQuery,
     ): Promise<FeatureConfigurationClient[]> {
         const environment = featureQuery?.environment || DEFAULT_ENV;
@@ -177,6 +180,7 @@ export default class FeatureToggleStore implements IFeatureToggleStore {
         return this.featureToggleRowConverter.buildPlaygroundFeaturesFromRows(
             rows,
             dependentFeaturesEnabled,
+            includeDisabledStrategies,
             featureQuery,
         );
     }

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

@@ -39,6 +39,7 @@ export interface IFeatureToggleStore extends Store<FeatureToggle, string> {
     ): Promise<FeatureToggle[]>;
     getPlaygroundFeatures(
         dependentFeaturesEnabled: boolean,
+        includeDisabledStrategies: boolean,
         featureQuery?: IFeatureToggleQuery,
     ): Promise<FeatureConfigurationClient[]>;
     countByDate(queryModifiers: {

src/lib/features/playground/advanced-playground.test.ts

@@ -11,7 +11,9 @@ let db: ITestDb;
 
 beforeAll(async () => {
     db = await dbInit('advanced_playground', getLogger, {
-        experimental: { flags: { dependentFeatures: true } },
+        experimental: {
+            flags: { dependentFeatures: true, playgroundImprovements: true },
+        },
     });
     app = await setupAppWithCustomConfig(
         db.stores,
@@ -23,6 +25,9 @@ beforeAll(async () => {
                     strategyVariant: true,
                     privateProjects: true,
                     dependentFeatures: true,
+                    playgroundImprovements: true,
+                    useLastSeenRefactor: true,
+                    separateAdminClientApi: true,
                 },
             },
         },
@@ -327,6 +332,7 @@ test('show matching variant from variants selection only for enabled toggles', a
             variants,
         },
     );
+
     await enableToggle('test-playground-feature-with-variants');
 
     const { body: result } = await app.request
@@ -357,3 +363,41 @@ test('show matching variant from variants selection only for enabled toggles', a
         expect(feature.variants).toMatchObject([]);
     });
 });
+
+test('should return disabled strategies with unevaluated result', async () => {
+    await createFeatureToggleWithStrategy(
+        'test-playground-feature-with-disabled-strategy',
+        {
+            name: 'flexibleRollout',
+            constraints: [],
+            disabled: true,
+            parameters: {
+                rollout: '50',
+                stickiness: 'random',
+                groupId: 'test-playground-feature-with-variants',
+            },
+        },
+    );
+
+    const { body: result } = await app.request
+        .post('/api/admin/playground/advanced')
+        .send({
+            environments: ['default'],
+            projects: ['default'],
+            context: { appName: 'playground' },
+        })
+        .set('Content-Type', 'application/json')
+        .expect(200);
+
+    const typedResult: AdvancedPlaygroundResponseSchema = result;
+
+    const feature = typedResult.features.find(
+        (feature) =>
+            feature.name === 'test-playground-feature-with-disabled-strategy',
+    );
+
+    expect(
+        feature?.environments.default[0].strategies.data[0].result
+            .evaluationStatus,
+    ).toBe('unevaluated');
+});

src/lib/features/playground/feature-evaluator/client.ts

@@ -44,7 +44,6 @@ export default class UnleashClient {
                 !strategy ||
                 !strategy.name ||
                 typeof strategy.name !== 'string' ||
-                !strategy.isEnabled ||
                 typeof strategy.isEnabled !== 'function'
             ) {
                 throw new Error('Invalid strategy data / interface');

src/lib/features/playground/feature-evaluator/strategy/strategy.ts

@@ -145,9 +145,20 @@ export class Strategy {
               }
             : undefined;
 
+        if (disabled) {
             return {
                 result: {
-                enabled: disabled ? false : overallResult,
+                    enabled: 'unknown',
+                    evaluationStatus: 'unevaluated',
+                },
+                constraints: constraintResults.constraints,
+                segments: segmentResults.segments,
+            };
+        }
+
+        return {
+            result: {
+                enabled: overallResult,
                 evaluationStatus: 'complete',
                 variant,
                 variants: variant ? variantDefinitions : undefined,

src/lib/openapi/spec/playground-strategy-schema.ts

@@ -8,6 +8,7 @@ import { overrideSchema } from './override-schema';
 export const playgroundStrategyEvaluation = {
     evaluationComplete: 'complete',
     evaluationIncomplete: 'incomplete',
+    unevaluated: 'unevaluated',
     unknownResult: 'unknown',
 } as const;
 
@@ -21,8 +22,11 @@ export const strategyEvaluationResults = {
                 evaluationStatus: {
                     type: 'string',
                     description:
-                        "Signals that this strategy could not be evaluated. This is most likely because you're using a custom strategy that Unleash doesn't know about.",
+                        "Signals that this strategy could not be evaluated. This is most likely because you're using a custom strategy that Unleash doesn't know about. The `unevaluated` result is also returned if the strategy is disabled.",
-                    enum: [playgroundStrategyEvaluation.evaluationIncomplete],
+                    enum: [
+                        playgroundStrategyEvaluation.evaluationIncomplete,
+                        playgroundStrategyEvaluation.unevaluated,
+                    ],
                 },
                 enabled: {
                     description:

src/server-dev.ts

@@ -48,6 +48,7 @@ process.nextTick(async () => {
                         dependentFeatures: true,
                         useLastSeenRefactor: true,
                         separateAdminClientApi: true,
+                        playgroundImprovements: true,
                     },
                 },
                 authentication: {