fix issues in core

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

@@ -1,6 +1,7 @@
 import type { Logger, UseCase, UseCaseOutputPort } from '@core/shared/application';
 import { Result } from '@core/shared/application/Result';
 import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
+import type { IPageViewRepository } from '../repositories/IPageViewRepository';
 
 export interface GetAnalyticsMetricsInput {
   startDate?: Date;
@@ -18,19 +19,23 @@ export type GetAnalyticsMetricsErrorCode = 'REPOSITORY_ERROR';
 
 export class GetAnalyticsMetricsUseCase implements UseCase<GetAnalyticsMetricsInput, void, GetAnalyticsMetricsErrorCode> {
   constructor(
-    // private readonly pageViewRepository: IPageViewRepository, // TODO: Use when implementation is ready
     private readonly logger: Logger,
     private readonly output: UseCaseOutputPort<GetAnalyticsMetricsOutput>,
+    private readonly pageViewRepository?: IPageViewRepository,
   ) {}
 
-  async execute(input: GetAnalyticsMetricsInput = {}): Promise<Result<void, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>> {
+  async execute(
+    input: GetAnalyticsMetricsInput = {},
+  ): Promise<Result<void, 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();
 
-      // TODO: Use pageViewRepository when implemented
-      // const pageViews = await this.pageViewRepository.countByDateRange(startDate, endDate);
-      const pageViews = 0;
+      const pageViews = this.pageViewRepository
+        ? (await this.pageViewRepository.findByDateRange(startDate, endDate)).length
+        : 0;
+
+      // Note: additional metrics require dedicated repositories / event sources.
       const uniqueVisitors = 0;
       const averageSessionDuration = 0;
       const bounceRate = 0;

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

@@ -50,7 +50,6 @@ export class GetEntityAnalyticsQuery
   constructor(
     private readonly pageViewRepository: IPageViewRepository,
     private readonly engagementRepository: IEngagementRepository,
-    // private readonly snapshotRepository: IAnalyticsSnapshotRepository, // TODO: Use when implementation is ready
     private readonly logger: Logger
   ) {}