Add first attempt to version checker

index.html

@@ -18,5 +18,6 @@
       <!-- react components are rendered here -->
     </div>
     <script src="index.js"></script>
+    <script src="version_checker.js"></script>
   </body>
 </html>

version_checker.js

@@ -0,0 +1,39 @@
+import {data} from '/dist/version.js'
+
+async function getData() {
+  const url = `${process.env.API_URL}/api/v1.0/system/version`;
+  const response = await fetch(url);
+  if (!response.ok) {
+    throw new Error(`Response status: ${response.status}`);
+  }
+  const json = await response.json();
+  return json.data;
+}
+
+async function gatherData() {
+    const version = data.version;
+    const dataFrGit = await getData();
+    const gitVersion = dataFrGit.version;
+    const gitVersionSummary = dataFrGit.git_version;
+    console.log("Data:")
+    console.log(version)
+
+    console.log("dataFrGit:")
+    console.log(dataFrGit)
+    console.log(gitVersion)
+    console.log(gitVersionSummary)
+    console.log(gitVersionSummary.includes(version))
+    if(!gitVersionSummary.includes(version)) {
+        window.dispatchEvent(new CustomEvent('versionchanged', { detail: version }));
+    }
+}
+
+function start() {
+    setInterval(gatherData, 8000);
+}
+
+window.addEventListener('versionchanged', function (e) {
+    alert('Unmacthed version. New UI version available!');
+});
+
+window.addEventListener('load', start);