Initial commit: StudyOS platform

server/index.js

@@ -0,0 +1,71 @@
+const express = require('express');
+const http = require('http');
+const { WebSocketServer } = require('ws');
+const cors = require('cors');
+const path = require('path');
+
+const db = require('./db');
+const pdfRoutes = require('./routes/pdfs');
+const conversationRoutes = require('./routes/conversations');
+const chatRoutes = require('./routes/chat');
+const progressRoutes = require('./routes/progress');
+const notesRoutes = require('./routes/notes');
+const modelRoutes = require('./routes/models');
+const configRoutes = require('./routes/config');
+
+const app = express();
+const server = http.createServer(app);
+const PORT = process.env.PORT || 3001;
+
+// Middleware
+app.use(cors({
+  origin: ['http://localhost:5173', 'http://localhost:3001'],
+  credentials: true,
+}));
+app.use(express.json({ limit: '10mb' }));
+app.use(express.urlencoded({ extended: true }));
+
+// API Routes
+app.use('/api/pdfs', pdfRoutes);
+app.use('/api/conversations', conversationRoutes);
+app.use('/api/chat', chatRoutes);
+app.use('/api/progress', progressRoutes);
+app.use('/api/notes', notesRoutes);
+app.use('/api/models', modelRoutes);
+app.use('/api/config', configRoutes);
+
+// Serve React build in production
+const clientDist = path.resolve(__dirname, '..', 'client', 'dist');
+app.use(express.static(clientDist));
+app.get('*', (req, res, next) => {
+  if (req.path.startsWith('/api')) return next();
+  res.sendFile(path.join(clientDist, 'index.html'), (err) => {
+    if (err) next();
+  });
+});
+
+// WebSocket server
+const wss = new WebSocketServer({ server });
+wss.on('connection', (ws) => {
+  ws.on('message', (message) => {
+    // Echo — extensible for real-time notifications
+  });
+  try {
+    ws.send(JSON.stringify({ type: 'connected', message: 'StudyOS WebSocket connected' }));
+  } catch (err) {
+    console.error('[ws] send error:', err.message);
+  }
+});
+
+async function start() {
+  await db.initDB();
+  server.listen(PORT, () => {
+    console.log(`StudyOS server running on http://localhost:${PORT}`);
+    console.log(`WebSocket server running on ws://localhost:${PORT}`);
+  });
+}
+
+start().catch(err => {
+  console.error('Failed to start server:', err);
+  process.exit(1);
+});