website refactor

apps/website/lib/view-models/AdminViewModelPresenter.ts

@@ -0,0 +1,47 @@
+'use client';
+
+import type { UserDto, DashboardStats, UserListResponse } from '@/lib/api/admin/AdminApiClient';
+import { AdminUserViewModel, DashboardStatsViewModel, UserListViewModel } from './AdminUserViewModel';
+
+/**
+ * AdminViewModelPresenter
+ * 
+ * Presenter layer for transforming API DTOs to ViewModels.
+ * Runs in client code only ('use client').
+ * Deterministic, side-effect free transformations.
+ */
+export class AdminViewModelPresenter {
+  /**
+   * Map a single user DTO to a View Model
+   */
+  static mapUser(apiDto: UserDto): AdminUserViewModel {
+    return new AdminUserViewModel(apiDto);
+  }
+
+  /**
+   * Map an array of user DTOs to View Models
+   */
+  static mapUsers(apiDtos: UserDto[]): AdminUserViewModel[] {
+    return apiDtos.map(apiDto => this.mapUser(apiDto));
+  }
+
+  /**
+   * Map dashboard stats DTO to View Model
+   */
+  static mapDashboardStats(apiDto: DashboardStats): DashboardStatsViewModel {
+    return new DashboardStatsViewModel(apiDto);
+  }
+
+  /**
+   * Map user list response to View Model
+   */
+  static mapUserList(viewData: UserListResponse): UserListViewModel {
+    return new UserListViewModel({
+      users: viewData.users,
+      total: viewData.total,
+      page: viewData.page,
+      limit: viewData.limit,
+      totalPages: viewData.totalPages,
+    });
+  }
+}