Dealer_Onboarding_Backend/server.js

157 lines
4.5 KiB
JavaScript

require('dotenv').config();
const express = require('express');
const cors = require('cors');
const helmet = require('helmet');
const compression = require('compression');
const rateLimit = require('express-rate-limit');
const path = require('path');
// Import database
const db = require('./src/database/models');
// Import routes (Modular Monolith Structure)
const authRoutes = require('./src/modules/auth/auth.routes');
const onboardingRoutes = require('./src/modules/onboarding/onboarding.routes');
const selfServiceRoutes = require('./src/modules/self-service/self-service.routes');
const masterRoutes = require('./src/modules/master/master.routes');
const settlementRoutes = require('./src/modules/settlement/settlement.routes');
const collaborationRoutes = require('./src/modules/collaboration/collaboration.routes');
// Import common middleware & utils
const errorHandler = require('./src/common/middleware/errorHandler');
const logger = require('./src/common/utils/logger');
// Initialize Express app
const app = express();
// Security middleware
app.use(helmet());
app.use(cors({
origin: process.env.FRONTEND_URL || 'http://localhost:5173',
credentials: true
}));
// Rate limiting
const limiter = rateLimit({
windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS) || 15 * 60 * 1000, // 15 minutes
max: parseInt(process.env.RATE_LIMIT_MAX_REQUESTS) || 100,
message: 'Too many requests from this IP, please try again later.'
});
app.use('/api/', limiter);
// Body parsing middleware
app.use(express.json({ limit: '10mb' }));
app.use(express.urlencoded({ extended: true, limit: '10mb' }));
// Compression
app.use(compression());
// Static files (uploaded documents)
app.use('/uploads', express.static(path.join(__dirname, 'uploads')));
// Request logging
app.use((req, res, next) => {
logger.info(`${req.method} ${req.path}`, {
ip: req.ip,
userAgent: req.get('user-agent')
});
next();
});
// Health check endpoint
app.get('/health', (req, res) => {
res.json({
status: 'OK',
timestamp: new Date().toISOString(),
uptime: process.uptime(),
environment: process.env.NODE_ENV
});
});
// API Routes (Modular)
app.use('/api/auth', authRoutes);
app.use('/api/onboarding', onboardingRoutes);
app.use('/api/self-service', selfServiceRoutes);
app.use('/api/master', masterRoutes);
app.use('/api/settlement', settlementRoutes);
app.use('/api/collaboration', collaborationRoutes);
// Backward Compatibility Aliases
app.use('/api/applications', onboardingRoutes);
app.use('/api/resignations', require('./src/modules/self-service/resignation.routes'));
app.use('/api/constitutional', (req, res, next) => {
// Map /api/constitutional to /api/self-service/constitutional
req.url = '/constitutional' + req.url;
next();
}, selfServiceRoutes);
app.use('/api/relocations', (req, res, next) => {
// Map /api/relocations to /api/self-service/relocation
req.url = '/relocation' + req.url;
next();
}, selfServiceRoutes);
app.use('/api/outlets', require('./src/modules/master/outlet.routes'));
app.use('/api/finance', settlementRoutes);
app.use('/api/worknotes', collaborationRoutes);
// 404 handler
app.use((req, res) => {
res.status(404).json({
success: false,
message: 'Route not found'
});
});
// Global error handler
app.use(errorHandler);
// Database connection and server start
const PORT = process.env.PORT || 5000;
const startServer = async () => {
try {
// Test database connection
await db.sequelize.authenticate();
logger.info('Database connection established successfully');
// Sync database (in development only)
if (process.env.NODE_ENV === 'development') {
await db.sequelize.sync({ alter: false });
logger.info('Database models synchronized');
}
// Start server
app.listen(PORT, () => {
logger.info(`🚀 Server running on port ${PORT}`);
logger.info(`📍 Environment: ${process.env.NODE_ENV}`);
logger.info(`🔗 API Base URL: http://localhost:${PORT}/api`);
});
} catch (error) {
logger.error('Unable to start server:', error);
process.exit(1);
}
};
// Handle unhandled promise rejections
process.on('unhandledRejection', (err) => {
logger.error('Unhandled Promise Rejection:', err);
process.exit(1);
});
// Handle uncaught exceptions
process.on('uncaughtException', (err) => {
logger.error('Uncaught Exception:', err);
process.exit(1);
});
// Graceful shutdown
process.on('SIGTERM', async () => {
logger.info('SIGTERM signal received: closing HTTP server');
await db.sequelize.close();
process.exit(0);
});
startServer();
module.exports = app;