async Task ExecuteLoadGuestsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Guests.Clear();
var guests = await GuestDataStore.GetMembersAsync(true);
foreach (var guest in guests)
{
Guests.Add(guest);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public GuestsViewModel()
{
Title = "Browse";
Guests = new ObservableCollection <Guest>();
LoadGuestsCommand = new Command(async() => await ExecuteLoadGuestsCommand());
MessagingCenter.Subscribe <NewGuestPage, Guest>(this, "AddGuest", async(obj, guest) =>
{
var _guest = guest as Guest;
Guests.Add(_guest);
await GuestDataStore.AddMemberAsync(_guest);
});
MessagingCenter.Subscribe <GuestListPage, Guest>(this, "DeleteGuest", async(obj, guest) =>
{
//var _guest = Guests.Where((Guest arg) => arg.PersonalCode == guest.PersonalCode).FirstOrDefault();
var _guest = guest as Guest;
Guests.Remove(_guest);
await GuestDataStore.DeleteMemberAsync(_guest);
});
}
