added db intialization on server start

server/db.js

@@ -0,0 +1,43 @@
+const initSqlJs = require('sql.js');
+const fs = require('fs');
+
+let db = null;
+const DB_PATH = './ka.db';
+
+async function initDb() {
+    const SQL = await initSqlJs();
+
+    console.log('Initializing Database...');
+
+    // Loading Database if it already exists
+    if (fs.existsSync(DB_PATH)) {
+        const buffer = fs.readFilySync(DB_PATH);
+        db = new SQL.Database(buffer);
+        console.log('Database Loaded')
+    } else {
+        
+        // Creating a new one if it does not
+        console.log('Database not found. Creating new instance...')
+        db = new SQL.Database();
+
+        // Creating Knowledge Article table
+        db.run(`
+            CREATE TABLE articles (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                ka_number TEXT UNIQUE,
+                title TEXT,
+                content TEXT,
+                created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+            )
+        `);
+
+        // Saving the created db to file
+        const data = db.export();
+        fs.writeFileSync(DB_PATH, Buffer.from(data));
+        console.log(`Database created at ${DB_PATH}`);
+    }
+
+    return db;
+}
+
+module.exports = {initDb};

server/package-lock.json

@@ -9,7 +9,8 @@
       "version": "0.0.1",
       "license": "MIT",
       "dependencies": {
-        "express": "^5.1.0"
+        "express": "^5.1.0",
+        "sql.js": "^1.13.0"
       }
     },
     "node_modules/accepts": {
@@ -754,6 +755,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/sql.js": {
+      "version": "1.13.0",
+      "resolved": "https://registry.npmjs.org/sql.js/-/sql.js-1.13.0.tgz",
+      "integrity": "sha512-RJbVP1HRDlUUXahJ7VMTcu9Rm1Nzw+EBpoPr94vnbD4LwR715F3CcxE2G2k45PewcaZ57pjetYa+LoSJLAASgA==",
+      "license": "MIT"
+    },
     "node_modules/statuses": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",

server/package.json

@@ -13,6 +13,7 @@
   "author": "Matt Taylor",
   "license": "MIT",
   "dependencies": {
-    "express": "^5.1.0"
+    "express": "^5.1.0",
+    "sql.js": "^1.13.0"
   }
 }

server/server.js

@@ -1,13 +1,19 @@
 const express = require('express');
+const { initDb } = require('./db');
 const app = express();
 const PORT = 9000;
 
 app.use(express.json());
 
-app.get('/', (req, res) => {
-    res.json({message : 'Server is running'});
-});
+initDb().then(() => {
 
-app.listen(PORT, () => {
+    app.get('/', (req, res) => {
+        res.json({message : 'Server is running'});
+    });
+
+    app.listen(PORT, () => {
         console.log(`Server running on http://localhost:${PORT}`);
+    });
+}).catch(err => {
+    console.error('Failed to initialize database:', err);
 });