website refactor

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

@@ -0,0 +1,46 @@
+import { DashboardApiClient } from '@/lib/api/dashboard/DashboardApiClient';
+import { DashboardOverviewDTO } from '@/lib/types/generated/DashboardOverviewDTO';
+import { Result } from '@/lib/contracts/Result';
+import { DomainError } from '@/lib/contracts/services/Service';
+import { ConsoleErrorReporter } from '@/lib/infrastructure/logging/ConsoleErrorReporter';
+import { ConsoleLogger } from '@/lib/infrastructure/logging/ConsoleLogger';
+
+/**
+ * DashboardService
+ *
+ * Pure service that creates its own API client and returns Result types.
+ * No business logic, only data fetching and error mapping.
+ */
+export class DashboardService {
+  private apiClient: DashboardApiClient;
+
+  constructor() {
+    const baseUrl = process.env.NEXT_PUBLIC_API_URL || '';
+    const errorReporter = new ConsoleErrorReporter();
+    const logger = new ConsoleLogger();
+    this.apiClient = new DashboardApiClient(baseUrl, errorReporter, logger);
+  }
+
+  async getDashboardOverview(): Promise<Result<DashboardOverviewDTO, DomainError>> {
+    try {
+      const dto = await this.apiClient.getDashboardOverview();
+      return Result.ok(dto);
+    } catch (error) {
+      console.error('DashboardService.getDashboardOverview failed:', error);
+      
+      if (error instanceof Error) {
+        if (error.message.includes('403') || error.message.includes('401')) {
+          return Result.err({ type: 'unauthorized', message: error.message });
+        }
+        if (error.message.includes('404')) {
+          return Result.err({ type: 'notFound', message: error.message });
+        }
+        if (error.message.includes('5') || error.message.includes('server')) {
+          return Result.err({ type: 'serverError', message: error.message });
+        }
+      }
+      
+      return Result.err({ type: 'unknown', message: 'Dashboard fetch failed' });
+    }
+  }
+}