react-query

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

@@ -1,5 +1,7 @@
 import type { Logger } 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';
 
 export interface GetAnalyticsMetricsInput {
   startDate?: Date;
@@ -13,13 +15,17 @@ export interface GetAnalyticsMetricsOutput {
   bounceRate: number;
 }
 
+export type GetAnalyticsMetricsErrorCode = 'REPOSITORY_ERROR';
+
 export class GetAnalyticsMetricsUseCase {
   constructor(
     private readonly pageViewRepository: IPageViewRepository,
     private readonly logger: Logger,
   ) {}
 
-  async execute(input: GetAnalyticsMetricsInput = {}): Promise<GetAnalyticsMetricsOutput> {
+  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();
@@ -39,15 +45,19 @@ export class GetAnalyticsMetricsUseCase {
         uniqueVisitors,
       });
 
-      return {
+      return Result.ok({
         pageViews,
         uniqueVisitors,
         averageSessionDuration,
         bounceRate,
-      };
+      });
     } catch (error) {
+      const err = error as Error;
       this.logger.error('Failed to get analytics metrics', { error, input });
-      throw error;
+      return Result.err({
+        code: 'REPOSITORY_ERROR',
+        details: { message: err.message ?? 'Failed to get analytics metrics' },
+      });
     }
   }
 }