Add campaigns component and services

dashboard-server/klaviyo-server/server.js

@@ -1,6 +1,7 @@
 import express from 'express';
 import cors from 'cors';
 import dotenv from 'dotenv';
+import rateLimit from 'express-rate-limit';
 import { createApiRouter } from './routes/index.js';
 import path from 'path';
 import { fileURLToPath } from 'url';
@@ -26,6 +27,21 @@ console.log('[Server] Environment variables loaded:', {
 const app = express();
 const port = process.env.KLAVIYO_PORT || 3004;
 
+// Rate limiting for reporting endpoints
+const reportingLimiter = rateLimit({
+  windowMs: 10 * 60 * 1000, // 10 minutes
+  max: 10, // limit each IP to 10 requests per windowMs
+  message: 'Too many requests to reporting endpoint, please try again later',
+  keyGenerator: (req) => {
+    // Use a combination of IP and endpoint for more granular control
+    return `${req.ip}-reporting`;
+  },
+  skip: (req) => {
+    // Only apply to campaign-values-reports endpoint
+    return !req.path.includes('campaign-values-reports');
+  }
+});
+
 // Middleware
 app.use(cors());
 app.use(express.json());
@@ -36,6 +52,9 @@ app.use((req, res, next) => {
   next();
 });
 
+// Apply rate limiting to reporting endpoints
+app.use('/api/klaviyo/reporting', reportingLimiter);
+
 // Create and mount API routes
 const apiRouter = createApiRouter(
   process.env.KLAVIYO_API_KEY,