admin area

apps/api/src/domain/admin/AdminService.ts

@@ -0,0 +1,39 @@
+import { Injectable } from '@nestjs/common';
+import { ListUsersUseCase, ListUsersInput } from '@core/admin/application/use-cases/ListUsersUseCase';
+import { ListUsersPresenter, ListUsersViewModel } from './presenters/ListUsersPresenter';
+import { GetDashboardStatsUseCase, GetDashboardStatsInput } from './use-cases/GetDashboardStatsUseCase';
+import { DashboardStatsPresenter, DashboardStatsResponse } from './presenters/DashboardStatsPresenter';
+
+@Injectable()
+export class AdminService {
+  constructor(
+    private readonly listUsersUseCase: ListUsersUseCase,
+    private readonly listUsersPresenter: ListUsersPresenter,
+    private readonly getDashboardStatsUseCase: GetDashboardStatsUseCase,
+    private readonly dashboardStatsPresenter: DashboardStatsPresenter,
+  ) {}
+
+  async listUsers(input: ListUsersInput): Promise<ListUsersViewModel> {
+    const result = await this.listUsersUseCase.execute(input);
+
+    if (result.isErr()) {
+      const error = result.unwrapErr();
+      throw new Error(`${error.code}: ${error.details.message}`);
+    }
+
+    return this.listUsersPresenter.getViewModel();
+  }
+
+  async getDashboardStats(input: GetDashboardStatsInput): Promise<DashboardStatsResponse> {
+    this.dashboardStatsPresenter.reset();
+    
+    const result = await this.getDashboardStatsUseCase.execute(input);
+
+    if (result.isErr()) {
+      const error = result.unwrapErr();
+      throw new Error(`${error.code}: ${error.details.message}`);
+    }
+
+    return this.dashboardStatsPresenter.responseModel;
+  }
+}