version update alert

src/locales/en/messages.json

@@ -769,5 +769,23 @@
         "example": "1.2.3"
       }
     }
+  },
+  "updateAvailableDesc": {
+    "message": "Version $VERSION_NUM$ is ready to install. You must restart Bitwarden to complete the installation. Do you want to restart and update now?",
+    "placeholders": {
+      "version_num": {
+        "content": "$1",
+        "example": "1.2.3"
+      }
+    }
+  },
+  "updateAvailable": {
+    "message": "Update Available"
+  },
+  "update": {
+    "message": "Update"
+  },
+  "later": {
+    "message": "Later"
   }
 }

src/main.ts

@@ -26,7 +26,7 @@ const i18nService = new I18nService('en', './locales/');
 const storageService = new DesktopStorageService();
 const messagingService = new DesktopMainMessagingService(windowMain, messagingMain);
 
-const updaterMain = new UpdaterMain();
+const updaterMain = new UpdaterMain(windowMain, i18nService);
 const menuMain = new MenuMain(windowMain, updaterMain, i18nService, messagingService);
 const powerMonitorMain = new PowerMonitorMain(storageService, messagingService);
 

src/main/updater.main.ts

@@ -1,12 +1,35 @@
+import { dialog } from 'electron';
 import { autoUpdater } from 'electron-updater';
 
+import { WindowMain } from './window.main';
+
+import { I18nService } from 'jslib/abstractions/i18n.service';
+
 const UpdaterCheckInitalDelay = 5 * 1000; // 5 seconds
 const UpdaterCheckInterval = 12 * 60 * 60 * 1000; // 12 hours
 
 export class UpdaterMain {
+    constructor(private windowMain: WindowMain, private i18nService: I18nService) { }
+
     async init() {
         global.setTimeout(async () => await this.checkForUpdate(), UpdaterCheckInitalDelay);
         global.setInterval(async () => await this.checkForUpdate(), UpdaterCheckInterval);
+
+        autoUpdater.on('update-downloaded', (info) => {
+            const result = dialog.showMessageBox(this.windowMain.win, {
+                type: 'info',
+                title: this.i18nService.t('updateAvailable'),
+                message: this.i18nService.t('updateAvailable'),
+                detail: this.i18nService.t('updateAvailableDesc', info.version),
+                buttons: [this.i18nService.t('update'), this.i18nService.t('later')],
+                cancelId: 1,
+                defaultId: 0,
+                noLink: true,
+            });
+            if (result === 0) {
+                autoUpdater.quitAndInstall();
+            }
+        });
     }
 
     async checkForUpdate() {