add features

backend/src/controllers/notification.controller.ts

@@ -0,0 +1,72 @@
+// =============================================================================
+// Notification Controller
+// =============================================================================
+
+import { Request, Response } from 'express';
+import notificationService from '../services/notification.service';
+import logger from '../utils/logger';
+
+function isValidUUID(s: string): boolean {
+  return /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(s);
+}
+
+class NotificationController {
+  /** GET /api/notifications — returns all notifications for the authenticated user. */
+  async getNotifications(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user!.id;
+      const notifications = await notificationService.getByUser(userId);
+      res.status(200).json({ success: true, data: notifications });
+    } catch (error) {
+      logger.error('NotificationController.getNotifications error', { error });
+      res.status(500).json({ success: false, message: 'Notifications konnten nicht geladen werden' });
+    }
+  }
+
+  /** GET /api/notifications/count — returns unread count for the authenticated user. */
+  async getUnreadCount(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user!.id;
+      const count = await notificationService.getUnreadCount(userId);
+      res.status(200).json({ success: true, data: { count } });
+    } catch (error) {
+      logger.error('NotificationController.getUnreadCount error', { error });
+      res.status(500).json({ success: false, message: 'Anzahl konnte nicht geladen werden' });
+    }
+  }
+
+  /** PATCH /api/notifications/:id/read — marks a single notification as read. */
+  async markAsRead(req: Request, res: Response): Promise<void> {
+    try {
+      const { id } = req.params as Record<string, string>;
+      if (!isValidUUID(id)) {
+        res.status(400).json({ success: false, message: 'Ungültige Notification-ID' });
+        return;
+      }
+      const userId = req.user!.id;
+      const updated = await notificationService.markAsRead(id, userId);
+      if (!updated) {
+        res.status(404).json({ success: false, message: 'Notification nicht gefunden' });
+        return;
+      }
+      res.status(200).json({ success: true, message: 'Als gelesen markiert' });
+    } catch (error) {
+      logger.error('NotificationController.markAsRead error', { error });
+      res.status(500).json({ success: false, message: 'Notification konnte nicht aktualisiert werden' });
+    }
+  }
+
+  /** POST /api/notifications/mark-all-read — marks all notifications as read. */
+  async markAllRead(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user!.id;
+      await notificationService.markAllRead(userId);
+      res.status(200).json({ success: true, message: 'Alle als gelesen markiert' });
+    } catch (error) {
+      logger.error('NotificationController.markAllRead error', { error });
+      res.status(500).json({ success: false, message: 'Notifications konnten nicht aktualisiert werden' });
+    }
+  }
+}
+
+export default new NotificationController();