From: Kai Moritz <kai@juplo.de>
Date: Sun, 7 Sep 2025 00:26:33 +0000 (+0200)
Subject: auth service asserts redirect to `login`, if the user is not yet set
X-Git-Url: https://juplo.de/gitweb/?a=commitdiff_plain;h=707a029329b8f961a5bcaf2f04e1fde73d96e607;p=demos%2Fangular%2Fstored-login

auth service asserts redirect to `login`, if the user is not yet set
---

diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 61a67e8..a7422aa 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,5 +1,6 @@
-import { Component } from '@angular/core';
+import { Component, inject } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
+import { AuthService } from './services/auth.service';
 
 @Component({
   selector: 'app-root',
@@ -8,5 +9,12 @@ import { RouterOutlet } from '@angular/router';
   styleUrl: './app.component.less'
 })
 export class AppComponent {
+  private authService = inject(AuthService);
+
   title = 'stored-login';
+
+  ngOnInit(): void
+  {
+    this.authService.assertUserIsKnown();
+  }
 }
diff --git a/src/app/services/auth.service.ts b/src/app/services/auth.service.ts
index 0ca20a4..dfd2858 100644
--- a/src/app/services/auth.service.ts
+++ b/src/app/services/auth.service.ts
@@ -1,13 +1,22 @@
-import { Injectable } from '@angular/core';
+import { inject, Injectable } from '@angular/core';
+import { Router } from "@angular/router";
 import { Observable, of } from 'rxjs';
 
 @Injectable({
   providedIn: 'root'
 })
 export class AuthService {
+  private router = inject(Router);
+
   private username : string|undefined;
 
   login(username : string, password : string) : Observable<string> {
     return of(username);
   }
+
+  assertUserIsKnown(): void {
+    if(!this.username) {
+      this.router.navigate(['login']);
+    }
+  }
 }