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myteamwallet_frontend/src/app/app.component.ts

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+import { Component } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { environment } from './../environments/environment';
+import { SwUpdate } from '@angular/service-worker';
+import { MatIconRegistry } from '@angular/material/icon';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent {
+  version = environment.appVersion;
+
+  constructor(translate: TranslateService, updates: SwUpdate, iconRegistry: MatIconRegistry) {
+    iconRegistry.setDefaultFontSetClass('material-symbols-outlined');
+    translate.setDefaultLang('de');
+    translate.use('de');
+    this.update(updates);
+  }
+
+  update(updates: SwUpdate) {
+    console.log("Checking for updates: ", updates.isEnabled);
+    if (!updates.isEnabled) { return; }
+
+    updates.versionUpdates.subscribe(evt => {
+      
+      switch (evt.type) {
+        case 'VERSION_DETECTED':
+          console.log(`Downloading new app version: ${evt.version.hash}`);
+          break;
+        case 'VERSION_READY':
+          console.log(`Current app version: ${evt.currentVersion.hash}`);
+          console.log(`New app version ready for use: ${evt.latestVersion.hash}`);
+          window.location.reload();
+          break;
+        case 'VERSION_INSTALLATION_FAILED':
+          console.log(`Failed to install app version '${evt.version.hash}': ${evt.error}`);
+          break;
+        case 'NO_NEW_VERSION_DETECTED':
+          break;
+        default:
+      }
+    });
+  }
+}