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225
inventory-server/src/server.js
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225
inventory-server/src/server.js
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const express = require('express');
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const cors = require('cors');
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const { spawn } = require('child_process');
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const path = require('path');
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const fs = require('fs');
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const { corsMiddleware, corsErrorHandler } = require('./middleware/cors');
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const { initPool } = require('./utils/db');
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const productsRouter = require('./routes/products');
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const dashboardRouter = require('./routes/dashboard');
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const ordersRouter = require('./routes/orders');
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const csvRouter = require('./routes/data-management');
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const analyticsRouter = require('./routes/analytics');
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const purchaseOrdersRouter = require('./routes/purchase-orders');
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const configRouter = require('./routes/config');
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const metricsRouter = require('./routes/metrics');
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const importRouter = require('./routes/import');
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const aiValidationRouter = require('./routes/ai-validation');
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const templatesRouter = require('./routes/templates');
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const aiPromptsRouter = require('./routes/ai-prompts');
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const reusableImagesRouter = require('./routes/reusable-images');
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const categoriesAggregateRouter = require('./routes/categoriesAggregate');
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const vendorsAggregateRouter = require('./routes/vendorsAggregate');
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const brandsAggregateRouter = require('./routes/brandsAggregate');
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// Get the absolute path to the .env file
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const envPath = '/var/www/html/inventory/.env';
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console.log('Looking for .env file at:', envPath);
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console.log('.env file exists:', fs.existsSync(envPath));
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try {
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require('dotenv').config({ path: envPath });
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console.log('.env file loaded successfully');
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console.log('Environment check:', {
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NODE_ENV: process.env.NODE_ENV || 'not set',
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PORT: process.env.PORT || 'not set',
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DB_HOST: process.env.DB_HOST || 'not set',
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DB_USER: process.env.DB_USER || 'not set',
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DB_NAME: process.env.DB_NAME || 'not set',
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DB_PASSWORD: process.env.DB_PASSWORD ? '[password set]' : 'not set',
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DB_PORT: process.env.DB_PORT || 'not set',
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DB_SSL: process.env.DB_SSL || 'not set'
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});
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} catch (error) {
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console.error('Error loading .env file:', error);
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}
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// Resolve important directories relative to the project root
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const serverRoot = path.resolve(__dirname, '..');
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const configuredUploadsDir = process.env.UPLOADS_DIR;
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const uploadsDir = configuredUploadsDir
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? (path.isAbsolute(configuredUploadsDir)
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? configuredUploadsDir
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: path.resolve(serverRoot, configuredUploadsDir))
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: path.resolve(serverRoot, 'uploads');
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// Persist the resolved uploads directory so downstream modules share the same path
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process.env.UPLOADS_DIR = uploadsDir;
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const requiredDirs = [path.resolve(serverRoot, 'logs'), uploadsDir];
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requiredDirs.forEach(dir => {
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if (!fs.existsSync(dir)) {
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fs.mkdirSync(dir, { recursive: true });
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}
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});
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const app = express();
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// Debug middleware to log request details
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app.use((req, res, next) => {
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console.log('Request details:', {
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method: req.method,
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url: req.url,
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origin: req.get('Origin'),
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headers: req.headers
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});
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next();
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});
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// Apply CORS middleware first, before any other middleware
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app.use(corsMiddleware);
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// Body parser middleware
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app.use(express.json({ limit: '10mb' }));
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app.use(express.urlencoded({ extended: true, limit: '10mb' }));
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// Initialize database pool and start server
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async function startServer() {
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try {
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// Initialize database pool
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const pool = await initPool({
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host: process.env.DB_HOST,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME,
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port: process.env.DB_PORT || 5432,
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max: process.env.NODE_ENV === 'production' ? 20 : 10,
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idleTimeoutMillis: 30000,
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connectionTimeoutMillis: 2000,
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ssl: process.env.DB_SSL === 'true' ? {
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rejectUnauthorized: false
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} : false
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});
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// Make pool available to routes
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app.locals.pool = pool;
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// Set up routes after pool is initialized
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app.use('/api/products', productsRouter);
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app.use('/api/dashboard', dashboardRouter);
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app.use('/api/orders', ordersRouter);
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app.use('/api/csv', csvRouter);
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app.use('/api/analytics', analyticsRouter);
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app.use('/api/purchase-orders', purchaseOrdersRouter);
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app.use('/api/config', configRouter);
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app.use('/api/metrics', metricsRouter);
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// Use only the aggregate routes for vendors and categories
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app.use('/api/vendors', vendorsAggregateRouter);
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app.use('/api/categories', categoriesAggregateRouter);
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// Keep the aggregate-specific endpoints for backward compatibility
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app.use('/api/categories-aggregate', categoriesAggregateRouter);
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app.use('/api/vendors-aggregate', vendorsAggregateRouter);
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app.use('/api/brands-aggregate', brandsAggregateRouter);
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app.use('/api/import', importRouter);
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app.use('/api/ai-validation', aiValidationRouter);
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app.use('/api/templates', templatesRouter);
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app.use('/api/ai-prompts', aiPromptsRouter);
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app.use('/api/reusable-images', reusableImagesRouter);
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// Basic health check route
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app.get('/health', (req, res) => {
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res.json({
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status: 'ok',
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timestamp: new Date().toISOString(),
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environment: process.env.NODE_ENV
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});
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});
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// CORS error handler - must be before other error handlers
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app.use(corsErrorHandler);
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// Error handling middleware - MUST be after routes and CORS error handler
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app.use((err, req, res, next) => {
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console.error(`[${new Date().toISOString()}] Error:`, err);
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// Send detailed error in development, generic in production
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const error = process.env.NODE_ENV === 'production'
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? 'An internal server error occurred'
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: err.message || err;
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res.status(err.status || 500).json({ error });
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});
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const PORT = process.env.PORT || 3000;
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app.listen(PORT, () => {
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console.log(`[Server] Running in ${process.env.NODE_ENV || 'development'} mode on port ${PORT}`);
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});
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} catch (error) {
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console.error('Failed to start server:', error);
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process.exit(1);
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}
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}
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// Handle uncaught exceptions
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process.on('uncaughtException', (err) => {
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console.error(`[${new Date().toISOString()}] Uncaught Exception:`, err);
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process.exit(1);
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});
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process.on('unhandledRejection', (reason, promise) => {
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console.error(`[${new Date().toISOString()}] Unhandled Rejection at:`, promise, 'reason:', reason);
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});
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// Initialize client sets for SSE
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const importClients = new Set();
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const updateClients = new Set();
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const resetClients = new Set();
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const resetMetricsClients = new Set();
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// Helper function to send progress to SSE clients
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const sendProgressToClients = (clients, data) => {
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clients.forEach(client => {
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try {
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client.write(`data: ${JSON.stringify(data)}\n\n`);
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} catch (error) {
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console.error('Error sending SSE update:', error);
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}
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});
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};
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// Setup SSE connection
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const setupSSE = (req, res) => {
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const { type } = req.params;
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// Set headers for SSE
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res.writeHead(200, {
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'Content-Type': 'text/event-stream',
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'Cache-Control': 'no-cache',
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'Connection': 'keep-alive',
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'Access-Control-Allow-Origin': req.headers.origin || '*',
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'Access-Control-Allow-Credentials': 'true'
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});
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// Send initial message
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res.write('data: {"status":"connected"}\n\n');
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// Add client to appropriate set
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const clientSet = type === 'import' ? importClients :
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type === 'update' ? updateClients :
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type === 'reset' ? resetClients :
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type === 'reset-metrics' ? resetMetricsClients :
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null;
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if (clientSet) {
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clientSet.add(res);
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// Remove client when connection closes
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req.on('close', () => {
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clientSet.delete(res);
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});
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}
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};
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// Start the server
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startServer();
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