Added projector start stop and status

index.js

@@ -4,6 +4,8 @@ const express = require('express');
 const app = express();
 const fileUpload = require('express-fileupload');
 
+const fetch = require('node-fetch');
+
 app.use(express.json());
 app.use(fileUpload());
 
@@ -141,6 +143,24 @@ app.post("/playoverlay", (req, res) => {
 	res.json({ status: 'ok' });
 });
 
+app.post("/startprojector", (req, res) => {
+	require('child_process').spawn('sudo', ['/home/pi/video-player/start-projector.sh']);
+	res.json({ status: 'ok' });
+});
+
+app.post("/stopprojector", (req, res) => {
+	require('child_process').spawn('sudo', ['/home/pi/video-player/stop-projector.sh']);
+	res.json({ status: 'ok' });
+});
+
+app.get("/projectorstatus", async (req, res) => {
+	const res1 = await fetch('http://192.168.1.93/api/v01/control/escvp21?cmd=PWR?');
+	const status1 = await res1.text();
+	const res2 = await fetch('http://192.168.1.67/api/v01/control/escvp21?cmd=PWR?');
+	const status2 = await res2.text();
+	res.json({ status1, status2 });
+});
+
 app.post('/upload', function (req, res) {
 
 	if (!req.files || Object.keys(req.files).length === 0) {

package.json

@@ -10,6 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.18.3",
-    "express-fileupload": "^1.5.0"
+    "express-fileupload": "^1.5.0",
+    "node-fetch": "^2.7.0"
   }
 }

public/index.html

@@ -33,6 +33,12 @@
     <h2>Overlay video</h2>
     <div id="overlayvideos"></div>
     <button id="play" onclick="fetch(`/playoverlay`, { method: 'POST' });">Play Overlay now</button>
+    <h2>Projector status 1</h2>
+    <div id="projectorstatus1"></div>
+    <h2>Projector status 2</h2>
+    <div id="projectorstatus2"></div>
+    <button onclick="fetch(`/startprojector`, { method: 'POST' });">Start projectors</button>
+    <button onclick="fetch(`/stopprojector`, { method: 'POST' });">Stop projectors</button>
 	<script src="/main.js"></script>
 </body>
 </html>

public/main.js

@@ -25,6 +25,15 @@ async function main() {
 		});
 		overlayVideoDiv.appendChild(overlayButton);
 	}
+
+	const res = await fetch('/projectorstatus');
+	const status = await res.json();
+
+	const status1 = document.getElementById('projectorstatus1');
+	const status2 = document.getElementById('projectorstatus2');
+
+	status1.textContent = status.status1;
+	status2.textContent = status.status2;
 }
 
 main();