98 lines
2.5 KiB
JavaScript
98 lines
2.5 KiB
JavaScript
/**
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* Dataflow API Server
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* Simple REST API for data transformation
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*/
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require('dotenv').config();
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const express = require('express');
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const { Pool } = require('pg');
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const app = express();
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const PORT = process.env.API_PORT || 3000;
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// Database connection
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const pool = new Pool({
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host: process.env.DB_HOST,
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port: process.env.DB_PORT,
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database: process.env.DB_NAME,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD
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});
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// Middleware
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app.use(express.json());
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app.use(express.urlencoded({ extended: true }));
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// Set search path for all queries
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pool.on('connect', (client) => {
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client.query('SET search_path TO dataflow, public');
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});
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// Test database connection
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pool.query('SELECT NOW()', (err, res) => {
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if (err) {
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console.error('Database connection error:', err);
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process.exit(1);
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}
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console.log('✓ Database connected');
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});
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//------------------------------------------------------
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// Routes
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//------------------------------------------------------
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// Import route modules
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const sourcesRoutes = require('./routes/sources');
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const rulesRoutes = require('./routes/rules');
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const mappingsRoutes = require('./routes/mappings');
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const recordsRoutes = require('./routes/records');
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// Mount routes
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app.use('/api/sources', sourcesRoutes(pool));
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app.use('/api/rules', rulesRoutes(pool));
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app.use('/api/mappings', mappingsRoutes(pool));
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app.use('/api/records', recordsRoutes(pool));
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// Health check
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app.get('/health', (req, res) => {
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res.json({ status: 'ok', timestamp: new Date().toISOString() });
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});
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// Root endpoint
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app.get('/', (req, res) => {
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res.json({
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name: 'Dataflow API',
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version: '0.1.0',
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endpoints: {
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sources: '/api/sources',
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rules: '/api/rules',
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mappings: '/api/mappings',
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records: '/api/records',
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health: '/health'
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}
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});
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});
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// Error handler
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app.use((err, req, res, next) => {
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console.error('Error:', err);
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res.status(err.status || 500).json({
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error: err.message || 'Internal server error',
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...(process.env.NODE_ENV === 'development' && { stack: err.stack })
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});
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});
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// 404 handler
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app.use((req, res) => {
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res.status(404).json({ error: 'Endpoint not found' });
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});
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// Start server
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app.listen(PORT, () => {
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console.log(`✓ Dataflow API listening on port ${PORT}`);
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console.log(` Health: http://localhost:${PORT}/health`);
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console.log(` API: http://localhost:${PORT}/api/sources`);
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});
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module.exports = app;
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