feat: implement user authentication and login modal, refactor backend

web/backend/routes/index.js

@@ -0,0 +1,81 @@
+import express from 'express';
+import { readJSON } from '../utils/fileUtils.js';
+import { PATHS } from '../config/constants.js';
+import { getFavorites, getNotifiedArticles, getRedisClient } from '../services/redis.js';
+import { basicAuthMiddleware } from '../middlewares/auth.js';
+import { broadcast } from '../services/websocket.js';
+
+const router = express.Router();
+
+// Obtener estadísticas
+router.get('/stats', async (req, res) => {
+  try {
+    const workers = readJSON(PATHS.WORKERS, { items: [] });
+    const favorites = await getFavorites();
+    const notifiedArticles = await getNotifiedArticles();
+    
+    const stats = {
+      totalWorkers: workers.items?.length || 0,
+      activeWorkers: (workers.items || []).filter(w => !workers.disabled?.includes(w.name)).length,
+      totalFavorites: favorites.length,
+      totalNotified: notifiedArticles.length,
+      platforms: {
+        wallapop: notifiedArticles.filter(a => a.platform === 'wallapop').length,
+        vinted: notifiedArticles.filter(a => a.platform === 'vinted').length,
+      },
+    };
+    
+    res.json(stats);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Limpiar toda la caché de Redis (requiere autenticación)
+router.delete('/cache', basicAuthMiddleware, async (req, res) => {
+  try {
+    const redisClient = getRedisClient();
+    if (!redisClient) {
+      return res.status(500).json({ error: 'Redis no está disponible' });
+    }
+    
+    // Obtener todas las claves que empiezan con 'notified:'
+    const keys = await redisClient.keys('notified:*');
+    
+    if (!keys || keys.length === 0) {
+      return res.json({ 
+        success: true, 
+        message: 'Cache ya está vacío',
+        count: 0 
+      });
+    }
+    
+    // Eliminar todas las claves
+    const count = keys.length;
+    for (const key of keys) {
+      await redisClient.del(key);
+    }
+    
+    // Notificar a los clientes WebSocket
+    broadcast({ 
+      type: 'cache_cleared', 
+      data: { count, timestamp: Date.now() } 
+    });
+    
+    // También actualizar favoritos (debería estar vacío ahora)
+    const favorites = await getFavorites();
+    broadcast({ type: 'favorites_updated', data: favorites });
+    
+    res.json({ 
+      success: true, 
+      message: `Cache limpiado: ${count} artículos eliminados`,
+      count 
+    });
+  } catch (error) {
+    console.error('Error limpiando cache de Redis:', error);
+    res.status(500).json({ error: error.message });
+  }
+});
+
+export default router;
+