services refactor

apps/website/lib/services/analytics/DashboardService.ts

@@ -1,6 +1,50 @@
-import { api as api } from '../../api';
+import { AnalyticsApiClient } from '../../api/analytics/AnalyticsApiClient';
+import { AnalyticsDashboardPresenter } from '../../presenters/AnalyticsDashboardPresenter';
+import { AnalyticsMetricsPresenter } from '../../presenters/AnalyticsMetricsPresenter';
+import type { AnalyticsDashboardViewModel, AnalyticsMetricsViewModel } from '../../view-models';
 
-export async function getDashboardOverview(): Promise<any> {
-  // TODO: aggregate data
-  return {};
+/**
+ * Dashboard Service
+ *
+ * Orchestrates dashboard operations by coordinating API calls and presentation logic.
+ * All dependencies are injected via constructor.
+ */
+export class DashboardService {
+  constructor(
+    private readonly apiClient: AnalyticsApiClient,
+    private readonly analyticsDashboardPresenter: AnalyticsDashboardPresenter,
+    private readonly analyticsMetricsPresenter: AnalyticsMetricsPresenter
+  ) {}
+
+  /**
+   * Get dashboard data with presentation transformation
+   */
+  async getDashboardData(): Promise<AnalyticsDashboardViewModel> {
+    try {
+      const dto = await this.apiClient.getDashboardData();
+      return this.analyticsDashboardPresenter.present(dto);
+    } catch (error) {
+      throw error;
+    }
+  }
+
+  /**
+   * Get analytics metrics with presentation transformation
+   */
+  async getAnalyticsMetrics(): Promise<AnalyticsMetricsViewModel> {
+    try {
+      const dto = await this.apiClient.getAnalyticsMetrics();
+      return this.analyticsMetricsPresenter.present(dto);
+    } catch (error) {
+      throw error;
+    }
+  }
+
+  /**
+   * Get dashboard overview (legacy method for backward compatibility)
+   * TODO: Remove when no longer needed
+   */
+  async getDashboardOverview(): Promise<AnalyticsDashboardViewModel> {
+    return this.getDashboardData();
+  }
 }