public decimal Value(Date date)
{
if (EffectivePeriod.Contains(date))
{
return(Properties[date].Units * Stock.GetPrice(date));
}
else
{
return(0.00m);
}
}
public void Change(Date date, int unitChange, decimal amountChange, decimal costBaseChange, IPortfolioTransaction transaction)
{
if (!EffectivePeriod.Contains(date))
{
throw new EffectiveDateException("The parcel is not effective at that date");
}
var parcelProperties = _Properties[date];
var newUnits = parcelProperties.Units + unitChange;
var newAmount = parcelProperties.Amount + amountChange;
var newCostBase = parcelProperties.CostBase + costBaseChange;
if (newUnits < 0)
{
throw new ArgumentException("Units cannot be changed to be less than 0");
}
if (newAmount < 0)
{
throw new ArgumentException("Amount cannot be changed to be less than 0");
}
if (newCostBase < 0)
{
throw new ArgumentException("Costbase cannot be changed to be less than 0");
}
ParcelProperties newParcelProperties;
if (newUnits == 0)
{
End(date);
newParcelProperties = new ParcelProperties(0, 0.00m, 0.00m);
}
else
{
newParcelProperties = new ParcelProperties(newUnits, newAmount, newCostBase);
}
_Properties.Change(date, newParcelProperties);
_Audit.Add(new ParcelAudit(date, unitChange, costBaseChange, amountChange, transaction));
}
public bool IsEffectiveAt(Date date)
{
return(EffectivePeriod.Contains(date));
}