public virtual void Delete(long currencyId)
{
currencyService.GetCurrencyById(currencyId).delete();
IList incomeRules = currencyService.GetIncomeRules(currencyId);
foreach (IncomeRule rule in incomeRules)
{
rule.delete();
}
log(SiteLogString.DeleteCurrency(), typeof(Currency));
echoRedirectPart(lang("deleted"));
}