async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Items.Clear();
DaysGroupings.Clear();
var items = await DataStore.GetItemsAsync(true);
Items.ReplaceRange(items);
SortItems();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
private void SortItems()
{
foreach (var monthGrouping in Items.OrderByDescending(x => x.Date).GroupBy(x => x.Date.ToString("MMMM")))
{
var dayGroup = new DayGroupList();
dayGroup.AddRange(monthGrouping);
dayGroup.Heading = monthGrouping.Key.ToString();
DaysGroupings.Add(dayGroup);
}
}