public List <Customer> GetAllCustomers()
        {
            var dataCust  = new CarRental.BuissnessLogic.CustomerService();
            var customers = dataCust.GetAllCustomers();

            return(customers);
        }
        public Customer GetCustomerById(int id)
        {
            var dataCust = new CarRental.BuissnessLogic.CustomerService();
            var customer = dataCust.GetCustomerById(id);

            return(customer);
        }
        public CustomerInfo GetCustomerByEmail(CustomerRequest request)
        {
            if (request.LicensKey != "ABC12")
            {
                throw new WebFaultException <string>(
                          "Wrong license key",
                          HttpStatusCode.Forbidden);
            }
            else
            {
                var dataCust = new CarRental.BuissnessLogic.CustomerService();
                var customer = dataCust.GetCustomerByEmail(request);

                return(customer);
            }
        }
        public void ChangeCustomer(Customer customer)
        {
            var dataCust = new CarRental.BuissnessLogic.CustomerService();

            dataCust.ChangeCustomer(customer);
        }