private static Money calculateBaseAmount(Money amount, IList<IHistoricalExRate> exrates, DateTime date)
{
if (!((ICurrency)amount.Underlying).IsBase)
{
if (Util.IsNotNullDate(date))
{
IHistoricalExRate exrate = exrates.Where(x => x.Currency.Key == amount.Underlying.Key && x.RateDate == date).FirstOrDefault();
if (exrate == null)
throw new ApplicationException(string.Format("Exchange rate for {0} on {1} is missing.", ((ICurrency)amount.Underlying).Symbol, date.ToShortDateString()));
Money convAmt = amount.ConvertToBase(1M/exrate.Rate);
return convAmt;
}
else
return amount.CurrentBaseAmount;
}
else
return amount;
}