server.js

/*
 * MindRoots - Arabic Morphology Visualization Tool
 * Copyright (c) 2024 MindRoots Project
 * 
 * This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
 * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/
 */

require('dotenv').config(); // Load environment variables

const express = require('express');
const neo4j = require('neo4j-driver');
const cors = require('cors');
const path = require('path');
const apiRoutes = require('./routes/api');

const app = express();
const port = 5001;

app.use(cors());
app.use(express.json({ limit: '15mb' })); // 15mb accommodates base64-encoded image uploads (~10MB decoded)

// Static file serving for multi-tenant workspaces
app.use('/workspaces', express.static(path.join(__dirname, 'workspaces')));

// Neo4j driver setup using environment variables
const driver = neo4j.driver(
  process.env.NEO4J_URI, 
  neo4j.auth.basic(process.env.NEO4J_USERNAME, process.env.NEO4J_PASSWORD)
);

// Middleware to make the Neo4j driver available to all routes
app.use((req, res, next) => {
  req.driver = driver;
  next();
});

// Use the api routes
app.use('/api', apiRoutes);

// Start the server
app.listen(port, () => {
  console.log(`Server running at http://localhost:${port}`);
});