public Offer(Member memberAssigned, OfferType type, DateTime dateExpiring, int value)
{
MemberAssigned = memberAssigned;
Type = type;
DateExpiring = dateExpiring;
Value = value;
}
public Offer AssignOffer(OfferType offerType
, IOfferValueCalculator offerValueCalculator)
{
var value = offerValueCalculator
.CalculateValue(this, offerType);
var dateExpiring = offerType.CalculateExpiration();
var offer = new Offer(this, offerType, dateExpiring, value);
_assignedOffers.Add(offer);
NumberOfActiveOffers++;
return(offer);
}
public override DateTime CalculateExpiration(OfferType offerType)
{
return(offerType.BeginDate.Value.AddDays(offerType.DaysValid));
}
public override DateTime CalculateExpiration(OfferType offerType)
{
return(DateTime.Now.AddDays(offerType.DaysValid));
}
public abstract DateTime CalculateExpiration(OfferType offerType);