public Parcel(Guid id, Date fromDate, Date aquisitionDate, ParcelProperties properties, IPortfolioTransaction transaction)
: base(id)
{
Start(fromDate);
AquisitionDate = aquisitionDate;
_Properties.Change(fromDate, properties);
_Audit.Add(new ParcelAudit(fromDate, properties.Units, properties.CostBase, properties.Amount, transaction));
}
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));
}