20230731-angular-Erwieterung-authantificationAnd

src/app/shared/auth.service.ts

@@ -0,0 +1,24 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class AuthService {
+  private _isAuthenticated$ = new BehaviorSubject(true);
+  readonly isAuthenticated$ = this._isAuthenticated$.asObservable();
+
+  constructor() {}
+
+  get isAuthenticated() {
+    return this._isAuthenticated$.value;
+  }
+
+  login() {
+    this._isAuthenticated$.next(true);
+  }
+
+  logout() {
+    this._isAuthenticated$.next(false);
+  }
+}