feat: enhance API response handling and add new components for module management

apps/web/app/api/club/course-register/route.ts

@@ -1,28 +1,34 @@
-import { NextResponse } from 'next/server';
+import * as z from 'zod';
 
+import {
+  apiError,
+  apiSuccess,
+  emailSchema,
+  requiredString,
+} from '@kit/next/route-helpers';
 import { getLogger } from '@kit/shared/logger';
 import { getSupabaseServerAdminClient } from '@kit/supabase/server-admin-client';
 
+const CourseRegisterSchema = z.object({
+  courseId: requiredString('Kurs-ID'),
+  firstName: requiredString('Vorname'),
+  lastName: requiredString('Nachname'),
+  email: emailSchema,
+  phone: z.string().optional(),
+});
+
 export async function POST(request: Request) {
   const logger = await getLogger();
 
   try {
     const body = await request.json();
-    const { courseId, firstName, lastName, email, phone } = body;
+    const parsed = CourseRegisterSchema.safeParse(body);
 
-    if (!courseId || !firstName || !lastName || !email) {
-      return NextResponse.json(
-        { error: 'Kurs-ID, Vorname, Nachname und E-Mail sind erforderlich' },
-        { status: 400 },
-      );
+    if (!parsed.success) {
+      return apiError(parsed.error.issues[0]?.message ?? 'Ungültige Eingabe');
     }
 
-    if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
-      return NextResponse.json(
-        { error: 'Ungültige E-Mail-Adresse' },
-        { status: 400 },
-      );
-    }
+    const { courseId, firstName, lastName, email, phone } = parsed.data;
 
     const supabase = getSupabaseServerAdminClient();
 
@@ -41,21 +47,15 @@ export async function POST(request: Request) {
         { error, context: 'course-register-insert' },
         '[course-register] Insert error',
       );
-      return NextResponse.json(
-        { error: 'Anmeldung fehlgeschlagen' },
-        { status: 500 },
-      );
+      return apiError('Anmeldung fehlgeschlagen', 500);
     }
 
-    return NextResponse.json({
-      success: true,
-      message: 'Anmeldung erfolgreich',
-    });
+    return apiSuccess({ message: 'Anmeldung erfolgreich' });
   } catch (err) {
     logger.error(
       { error: err, context: 'course-register' },
       '[course-register] Error',
     );
-    return NextResponse.json({ error: 'Serverfehler' }, { status: 500 });
+    return apiError('Serverfehler', 500);
   }
 }