### AuthService
public currentUser: Observable<ApplicationUser>;

  getCurrentUserInfo(): Observable<ApplicationUser> {
    this.currentUser = this.http.get<ApplicationUser>(this._userInfoUrl);
    return this.currentUser;
  }

## AppComponent
currentUser: Observable<ApplicationUser>;
  ngOnInit() {
    this.authService.getCurrentUserInfo();
    this.currentUser = this.authService.currentUser;
  }

## Widok

<a>{{(currentUser | async)?.Email}}</a>