async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
BusinessTrips.Clear();
var items = await BusinessTripDataStore.GetItemsAsync(true);
foreach (var item in items)
{
BusinessTrips.Add(item);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public BusinessTripOverviewViewModel()
{
Title = "CiuchApp - Wyjazdy";
BusinessTrips = new ObservableCollection <BusinessTrip>();
LoadBusinessTripsCommand = new Command(async() => await ExecuteLoadItemsCommand());
MessagingCenter.Subscribe <BusinessTripEditPage, BusinessTrip>(this, "Dodaj nowy", async(obj, item) =>
{
var newItem = item as BusinessTrip;
BusinessTrips.Add(newItem);
await BusinessTripDataStore.AddItemAsync(newItem);
});
}
internal async Task Save()
{
await BusinessTripDataStore.UpdateItemAsync(Model);
}
