constructor(private modalService: BsModalService, private vehicleService: VehicleService, private http: Http) { }
    openModal(template: TemplateRef<any>) {
        this.increaseCounter(this.vehicle.id);

        this.modalRef = this.modalService.show(template);
    }
    increaseCounter(vehicleId: number) {
        this.headers = new Headers({ 'Content-Type': 'application/json' });
        console.log('Dziala ' + 'http://localhost:64193/api/vehicles/' + vehicleId + '/counter');
        this.http.put('http://localhost:64193/api/vehicles/' + vehicleId + '/counter', '', new RequestOptions({ headers: this.headers }));
    }