Connect with database for dropdowns, more validate data step fixes

inventory-server/src/server.js

@@ -17,6 +17,7 @@ const metricsRouter = require('./routes/metrics');
 const vendorsRouter = require('./routes/vendors');
 const categoriesRouter = require('./routes/categories');
 const testConnectionRouter = require('./routes/test-connection');
+const importRouter = require('./routes/import');
 
 // Get the absolute path to the .env file
 const envPath = path.resolve(process.cwd(), '.env');
@@ -65,58 +66,68 @@ app.use(corsMiddleware);
 app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
 
-// Initialize database pool
-const pool = initPool({
-  host: process.env.DB_HOST,
-  user: process.env.DB_USER,
-  password: process.env.DB_PASSWORD,
-  database: process.env.DB_NAME,
-  waitForConnections: true,
-  connectionLimit: process.env.NODE_ENV === 'production' ? 20 : 10,
-  queueLimit: 0,
-  enableKeepAlive: true,
-  keepAliveInitialDelay: 0
-});
+// Initialize database pool and start server
+async function startServer() {
+  try {
+    // Initialize database pool
+    const pool = await initPool({
+      waitForConnections: true,
+      connectionLimit: process.env.NODE_ENV === 'production' ? 20 : 10,
+      queueLimit: 0,
+      enableKeepAlive: true,
+      keepAliveInitialDelay: 0
+    });
 
-// Make pool available to routes
-app.locals.pool = pool;
+    // Make pool available to routes
+    app.locals.pool = pool;
 
-// Routes
-app.use('/api/products', productsRouter);
-app.use('/api/dashboard', dashboardRouter);
-app.use('/api/orders', ordersRouter);
-app.use('/api/csv', csvRouter);
-app.use('/api/analytics', analyticsRouter);
-app.use('/api/purchase-orders', purchaseOrdersRouter);
-app.use('/api/config', configRouter);
-app.use('/api/metrics', metricsRouter);
-app.use('/api/vendors', vendorsRouter);
-app.use('/api/categories', categoriesRouter);
-app.use('/api', testConnectionRouter);
+    // Set up routes after pool is initialized
+    app.use('/api/products', productsRouter);
+    app.use('/api/dashboard', dashboardRouter);
+    app.use('/api/orders', ordersRouter);
+    app.use('/api/csv', csvRouter);
+    app.use('/api/analytics', analyticsRouter);
+    app.use('/api/purchase-orders', purchaseOrdersRouter);
+    app.use('/api/config', configRouter);
+    app.use('/api/metrics', metricsRouter);
+    app.use('/api/vendors', vendorsRouter);
+    app.use('/api/categories', categoriesRouter);
+    app.use('/api/import', importRouter);
+    app.use('/api', testConnectionRouter);
 
-// Basic health check route
-app.get('/health', (req, res) => {
-  res.json({ 
-    status: 'ok',
-    timestamp: new Date().toISOString(),
-    environment: process.env.NODE_ENV
-  });
-});
+    // Basic health check route
+    app.get('/health', (req, res) => {
+      res.json({ 
+        status: 'ok',
+        timestamp: new Date().toISOString(),
+        environment: process.env.NODE_ENV
+      });
+    });
 
-// CORS error handler - must be before other error handlers
-app.use(corsErrorHandler);
+    // CORS error handler - must be before other error handlers
+    app.use(corsErrorHandler);
 
-// Error handling middleware - MUST be after routes and CORS error handler
-app.use((err, req, res, next) => {
-  console.error(`[${new Date().toISOString()}] Error:`, err);
-  
-  // Send detailed error in development, generic in production
-  const error = process.env.NODE_ENV === 'production'
-    ? 'An internal server error occurred'
-    : err.message || err;
-    
-  res.status(err.status || 500).json({ error });
-});
+    // Error handling middleware - MUST be after routes and CORS error handler
+    app.use((err, req, res, next) => {
+      console.error(`[${new Date().toISOString()}] Error:`, err);
+      
+      // Send detailed error in development, generic in production
+      const error = process.env.NODE_ENV === 'production'
+        ? 'An internal server error occurred'
+        : err.message || err;
+        
+      res.status(err.status || 500).json({ error });
+    });
+
+    const PORT = process.env.PORT || 3000;
+    app.listen(PORT, () => {
+      console.log(`[Server] Running in ${process.env.NODE_ENV || 'development'} mode on port ${PORT}`);
+    });
+  } catch (error) {
+    console.error('Failed to start server:', error);
+    process.exit(1);
+  }
+}
 
 // Handle uncaught exceptions
 process.on('uncaughtException', (err) => {
@@ -128,17 +139,6 @@ process.on('unhandledRejection', (reason, promise) => {
   console.error(`[${new Date().toISOString()}] Unhandled Rejection at:`, promise, 'reason:', reason);
 });
 
-// Test database connection
-pool.getConnection()
-  .then(connection => {
-    console.log('[Database] Connected successfully');
-    connection.release();
-  })
-  .catch(err => {
-    console.error('[Database] Error connecting:', err);
-    process.exit(1);
-  });
-
 // Initialize client sets for SSE
 const importClients = new Set();
 const updateClients = new Set();
@@ -189,62 +189,5 @@ const setupSSE = (req, res) => {
   }
 };
 
-// Update the status endpoint to include reset-metrics
-app.get('/csv/status', (req, res) => {
-    res.json({
-        active: !!currentOperation,
-        type: currentOperation?.type || null,
-        progress: currentOperation ? {
-            status: currentOperation.status,
-            operation: currentOperation.operation,
-            current: currentOperation.current,
-            total: currentOperation.total,
-            percentage: currentOperation.percentage
-        } : null
-    });
-});
-
-// Update progress endpoint mapping
-app.get('/csv/:type/progress', (req, res) => {
-    const { type } = req.params;
-    if (!['import', 'update', 'reset', 'reset-metrics'].includes(type)) {
-        res.status(400).json({ error: 'Invalid operation type' });
-        return;
-    }
-
-    setupSSE(req, res);
-});
-
-// Update the cancel endpoint to handle reset-metrics
-app.post('/csv/cancel', (req, res) => {
-    const { operation } = req.query;
-    
-    if (!currentOperation) {
-        res.status(400).json({ error: 'No operation in progress' });
-        return;
-    }
-
-    if (operation && operation.toLowerCase() !== currentOperation.type) {
-        res.status(400).json({ error: 'Operation type mismatch' });
-        return;
-    }
-
-    try {
-        // Handle cancellation based on operation type
-        if (currentOperation.type === 'reset-metrics') {
-            // Reset metrics doesn't need special cleanup
-            currentOperation = null;
-            res.json({ message: 'Reset metrics cancelled' });
-        } else {
-            // ... existing cancellation logic for other operations ...
-        }
-    } catch (error) {
-        console.error('Error during cancellation:', error);
-        res.status(500).json({ error: 'Failed to cancel operation' });
-    }
-});
-
-const PORT = process.env.PORT || 3000;
-app.listen(PORT, () => {
-  console.log(`[Server] Running in ${process.env.NODE_ENV || 'development'} mode on port ${PORT}`);
-}); 
+// Start the server
+startServer();