/// <summary>
/// The clearCopies method will clear the copies contained within a transaction object. It will
/// reset the availability of the copies back to true, before clearing the lists.
/// </summary>
/// <param name="transaction">The transaction object</param>
private void clearCopies(Transaction transaction)
{
if (transaction.transactionID > 0)
{
TransactionItem.UpdateCopyStatus(transaction.transactionID, DVDCopy.Status.AVAILABLE);
TransactionItem.Clear(transaction.transactionID);
}
}