ngOnInit(): void {
        Stripe.setPublishableKey('*******************');
        this.route.params.switchMap((params: Params) => this._stripeService.getPlan(params['planId']))
            .subscribe(result => {
                    console.log(result);
                    this.plan = result
                },
                error => console.log(error));

        if (typeof(Storage) !== "undefined" && sessionStorage.getItem("user_email")) {
            this.userEmail = sessionStorage.getItem("user_email");
        } else {
            // this._router.navigate(['/login']);
        }