Check app updates

Frontend/src/app/app.component.ts

@@ -1,5 +1,7 @@
 import { Component } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
+import { SwUpdate } from '@angular/service-worker';
+import { NotificationsService } from './services/notifications.service';
 
 @Component({
     selector: 'app-root',
@@ -9,5 +11,30 @@ import { RouterOutlet } from '@angular/router';
     imports: [RouterOutlet]
 })
 export class AppComponent {
-  title = 'DiunaBI';
-}
+  constructor(
+    private readonly _swUpdate: SwUpdate,
+    private _notifications: NotificationsService
+  ) {
+    this._swUpdate.versionUpdates.subscribe((evt) => {
+      console.log('Version update', evt);
+      if (evt.type === 'VERSION_READY') {
+        this._swUpdate.activateUpdate().then(() => {
+          this._notifications.add({
+            text: "New version available. DiunaBI will restart in 10 seconds.",
+            duration: 10000,
+            dismiss: () => {
+              window.location.reload()
+            },
+            btn: 'Cancel',
+            action: () => {
+              this._notifications.add({
+                text: "Restart canceled.",
+                btn: "Hide"
+              });
+            }
+          })
+        });
+      }
+    })
+  }
+ }