website refactor

apps/website/lib/services/auth/AuthPageService.ts

@@ -0,0 +1,64 @@
+/**
+ * Auth Page Service
+ *
+ * Processes URL parameters for auth pages and provides structured data.
+ * This is a composition service, not an API service.
+ */
+
+import { Result } from '@/lib/contracts/Result';
+import { LoginPageDTO } from './types/LoginPageDTO';
+import { ForgotPasswordPageDTO } from './types/ForgotPasswordPageDTO';
+import { ResetPasswordPageDTO } from './types/ResetPasswordPageDTO';
+import { SignupPageDTO } from './types/SignupPageDTO';
+
+export interface AuthPageParams {
+  returnTo?: string | null;
+  token?: string | null;
+}
+
+export class AuthPageService {
+  async processLoginParams(params: AuthPageParams): Promise<Result<LoginPageDTO, string>> {
+    try {
+      const returnTo = params.returnTo ?? '/dashboard';
+      const hasInsufficientPermissions = params.returnTo !== null;
+
+      return Result.ok({
+        returnTo,
+        hasInsufficientPermissions,
+      });
+    } catch (error) {
+      return Result.err('Failed to process login parameters');
+    }
+  }
+
+  async processForgotPasswordParams(params: AuthPageParams): Promise<Result<ForgotPasswordPageDTO, string>> {
+    try {
+      const returnTo = params.returnTo ?? '/auth/login';
+      return Result.ok({ returnTo });
+    } catch (error) {
+      return Result.err('Failed to process forgot password parameters');
+    }
+  }
+
+  async processResetPasswordParams(params: AuthPageParams): Promise<Result<ResetPasswordPageDTO, string>> {
+    try {
+      const token = params.token;
+      if (!token) {
+        return Result.err('Missing reset token');
+      }
+      const returnTo = params.returnTo ?? '/auth/login';
+      return Result.ok({ token, returnTo });
+    } catch (error) {
+      return Result.err('Failed to process reset password parameters');
+    }
+  }
+
+  async processSignupParams(params: AuthPageParams): Promise<Result<SignupPageDTO, string>> {
+    try {
+      const returnTo = params.returnTo ?? '/onboarding';
+      return Result.ok({ returnTo });
+    } catch (error) {
+      return Result.err('Failed to process signup parameters');
+    }
+  }
+}