refactor

core/analytics/application/use-cases/GetAnalyticsMetricsUseCase.ts

@@ -1,4 +1,4 @@
-import type { Logger } from '@core/shared/application';
+import type { Logger, UseCaseOutputPort, UseCase } from '@core/shared/application';
 import type { IPageViewRepository } from '../../domain/repositories/IPageViewRepository';
 import { Result } from '@core/shared/application/Result';
 import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
@@ -17,15 +17,13 @@ export interface GetAnalyticsMetricsOutput {
 
 export type GetAnalyticsMetricsErrorCode = 'REPOSITORY_ERROR';
 
-export class GetAnalyticsMetricsUseCase {
+export class GetAnalyticsMetricsUseCase implements UseCase<GetAnalyticsMetricsInput, GetAnalyticsMetricsOutput, GetAnalyticsMetricsErrorCode> {
   constructor(
     private readonly pageViewRepository: IPageViewRepository,
     private readonly logger: Logger,
   ) {}
 
-  async execute(input: GetAnalyticsMetricsInput = {}): Promise<
-    Result<GetAnalyticsMetricsOutput, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>
-  > {
+  async execute(input: GetAnalyticsMetricsInput = {}): Promise<Result<GetAnalyticsMetricsOutput, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>> {
     try {
       const startDate = input.startDate ?? new Date(Date.now() - 30 * 24 * 60 * 60 * 1000); // 30 days ago
       const endDate = input.endDate ?? new Date();
@@ -45,19 +43,21 @@ export class GetAnalyticsMetricsUseCase {
         uniqueVisitors,
       });
 
-      return Result.ok({
+      const result = Result.ok<GetAnalyticsMetricsOutput, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>({
         pageViews,
         uniqueVisitors,
         averageSessionDuration,
         bounceRate,
       });
+      return result;
     } catch (error) {
       const err = error as Error;
-      this.logger.error('Failed to get analytics metrics', { error, input });
-      return Result.err({
+      this.logger.error('Failed to get analytics metrics', err, { input });
+      const result = Result.err<GetAnalyticsMetricsOutput, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>({
         code: 'REPOSITORY_ERROR',
         details: { message: err.message ?? 'Failed to get analytics metrics' },
       });
+      return result;
     }
   }
 }