public InvoiceItem GetInvoiceItemsByOrderItemKey(int order_item_key)
{
if (order_item_key == 0)
{
throw new InvalidOperationException(nameof(order_item_key));
}
return(ExecuteFaultHandledOperation(() =>
{
var invoice_item_data = _invoice_item_repo.GetByOrderItemID(order_item_key);
if (invoice_item_data != null && invoice_item_data.InvoiceItemKey != 0)
{
return Map(invoice_item_data);
}
else
{
return null;
}
}));
}
