async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Items.Clear();
ItemsGrouped.Clear();
var items = await DataStoreNew.GetItemsAsync <Invoice>();
foreach (var item in items)
{
Items.Add(item);
}
foreach (var group in items.GroupBy(x => x.SellerName))
{
ItemsGrouped.Add(group);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
async Task RefreshData()
{
IsBusy = true;
try
{
Items.Clear();
ItemsGrouped.Clear();
var employee = await Repo.GetEmployeeAsync(App.DefaultEmployeeAlias);
//TODO: Temp Hack. Fix this when login page is ready
App.EmployeeId = employee.Id;
DependencyService.Get <CurrentIdentityService>().SetNewIdentity(employee.Alias, employee.Id, employee.Manager, employee.Name, false);
var items = await Repo.GetOutstandingChargesForEmployeeAsync(employee.Id);
Items.ReplaceRange(items);
var sorted = from item in Items
orderby item.ExpenseDate descending
group item by item.ExpenseDate.ToString("MMMM") into itemGroup
select new Grouping <string, Charge>(itemGroup.Key, itemGroup);
ItemsGrouped.ReplaceRange(sorted);
OnPropertyChanged("TotalAmount");
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}