public InventoryViewModel(ReaderService readerService)
{
_readerService = readerService;
Func <bool> hasReader = () => _readerService.ConnectedReader != null;
UpdateConfig = new RelayCommand(ConfigReader, () => hasReader() && ShouldUpdate);
ScanBarcode = new RelayCommand(() => _readerService.GetBarcode(_readerService.BarcodeConfig),
hasReader);
RunInventory = new RelayCommand(() => _readerService.GetInventory(_readerService.InventoryConfig),
hasReader);
_readerService.RegisterForConnectionEvents(this, msg =>
{
ShouldUpdate = true;
});
_readerService.RegisterTagListener((sender, e) =>
{
var i = e.Tags.Count();
if (i > 0)
{
LastEpc = e.Tags.ElementAt(i - 1).Epc;
}
if (e.Complete)
{
ScanCount += 1;
}
});
_readerService.RegisterBarcodeListener((sender, e) =>
{
if (!String.IsNullOrWhiteSpace(e.Barcode))
{
LastBarcode = e.Barcode;
}
});
}