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

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

## AppComponent
  currentUser: ApplicationUser;
  ngOnInit() {
    this.authService.getCurrentUserInfo().subscribe(data => {
      this.currentUser = this.authService.userCurrent;
    });
  }

## Widok

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