minor chnages

index.js

@@ -11,8 +11,8 @@ const router = Router();
 const port = 9001
 
 
-var LightOnOff = 'false';
-var LightConnected = 'false';
+var LightOnOff = false;
+var LightConnected = false;
 
 render(app, {
   root: path.join(__dirname, 'views'),
@@ -44,15 +44,14 @@ const wss = new WebSocket.Server({
     // should not be compressed.
   }
 });
-const connection = new WebSocket('ws://localhost:3000')
 
 router.post('/ExteriorLightOnOff', onoff);
 
 router.get('/Lights', async ctx =>{  
 await ctx.render('lights');
-    if (LightConnected == "false"){
-      lightConnected = 'true';
-      const connection = new WebSocket('ws://localhost:3000')
+    if (LightConnected == false){
+        LightConnected = true;
+        const connection = new WebSocket('ws://localhost:3000')
       wss.on('connection', function connection(ws) {
         const client = mqtt.connect('mqtt.coventry.ac.uk', {
           host: 'mqtt.coventry.ac.uk', 
@@ -76,6 +75,7 @@ await ctx.render('lights');
 })
 
 async function onoff(ctx) {
+  const connection = new WebSocket('ws://localhost:3000')
   wss.on('connection', function connection(ws) {
       const client = mqtt.connect('mqtt.coventry.ac.uk', {
         host: 'mqtt.coventry.ac.uk', 
@@ -85,24 +85,22 @@ async function onoff(ctx) {
         port: 8883,  
       })
 
-      if (LightOnOff == 'false'){
+      if (LightOnOff == false){
       client.on('connect', function () {
         client.subscribe('302CEM/Team2/kailad', function (err) {
           if (!err){
-            LightOnOff = 'true';
+            LightOnOff = true;
             client.publish('302CEM/Team2/kailad', 'Turn on the Exterior Light')
-            client.end()
           }
         })
       })
       }
-      else if (LightOnOff == 'true'){
+      else if (LightOnOff == true){
         client.on('connect', function () {
           client.subscribe('302CEM/Team2/kailad', function (err) {
             if (!err){
-              LightOnOff = 'false';
+              LightOnOff = false;
               client.publish('302CEM/Team2/kailad', 'Turn off the Exterior Light')
-              client.end()
             }
           })
         })