private async Task ExecuteLoginCommand()
 {
     if (LoginMode == Initial)
     {
         LoginMode = LoginMode.Login;
         return;
     }
     else if (LoginMode == LoginMode.Login)
     {
         if (await Login())
         {
             AlertService.ShowSuccess(LoggedInGreetings, Success, GoToFind, () =>
             {
                 Application.Current.MainPage = new AppShell();
             });
         }
     }
 }
 private async Task ExecuteRegisterCommand()
 {
     if (LoginMode == Initial)
     {
         LoginMode = LoginMode.Register;
         return;
     }
     else if (LoginMode == LoginMode.Register)
     {
         if (await Register())
         {
             IsHighlyAppreciated = true;
             AlertService.ShowSuccess(RegisteredGreetings, Success, GoToFind, () =>
             {
                 Application.Current.MainPage = new AppShell();
             });
         }
     }
 }