gm_cabs_driver_maui/GMCabsDriverAssistantSolution/ViewModels/TaxiInstallViewModel.cs

using GMCabsDriverAssistant.Services;
using GMCabsDriverAssistantSolution.Views;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GMCabsDriverAssistantSolution.ViewModels
{
    class TaxiInstallViewModel : BaseViewModel
    {
        #region Fields
        private string taxiNumber;
        private string message;
        #endregion

        #region Properties
        public Command SaveCommand { get; }
        public Command BackCommand { get; }
        public string TaxiNumber
        {
            get => taxiNumber;
            set
            {
                SetProperty(ref taxiNumber, value);
                ErrorMessage = string.Empty;
            }
        }
        public string ErrorMessage
        {
            get => message;
            set => SetProperty(ref message, value);
        }

        #endregion

        #region Constructor
        public TaxiInstallViewModel()
        {
            SaveCommand = new Command(OnSaveClicked);
            BackCommand = new Command(OnBackClicked);
        }
        #endregion

        #region Methods 
        private async void OnSaveClicked(object obj)
        {
            IsBusy = true;
            ErrorMessage = "";
            GMCabsDriverService gmCabsDriverService = new GMCabsDriverService();
            if (string.IsNullOrWhiteSpace(TaxiNumber))
            {
                IsBusy = false;
                ErrorMessage = "Taxi Number required";
                return;
            }
            var isValidTaxinumberInstallation = await gmCabsDriverService.ValidateTaxiNumberInstallation(TaxiNumber);
            if (isValidTaxinumberInstallation)
            {
                Preferences.Set("taxiNumber", TaxiNumber.ToString());
                IsBusy = false;
                await Shell.Current.GoToAsync($"//{nameof(LoginPage)}/{nameof(AdminPasswordPage)}/{nameof(TaxiInstallPage)}/{nameof(InstallCompletePage)}");
            }
            else
            {
                IsBusy = false;
                ErrorMessage = "Taxi number not valid";
            }
        }
        private async void OnBackClicked(object obj)
        {
            ErrorMessage = "";
            await Shell.Current.GoToAsync("..");
        }
        #endregion


    }
}