public Price(Money amount)
{
if (amount == null)
throw new ArgumentNullException("Amount cannot be null");
Amount = amount;
}
public WinningBid RaiseMaximumBidTo(Money newAmount)
{
if (newAmount.IsGreaterThan(MaximumBid))
return new WinningBid(Bidder, newAmount, CurrentAuctionPrice.Amount, DateTime.Now);
else
throw new ApplicationException("Maximum bid increase must be larger than current maximum bid.");
}
public void Bid(Guid auctionId, Guid memberId, decimal amount, DateTime dateOfBid)
{
var auction = _auctions.FindBy(auctionId);
var bidAmount = new Money(amount);
var offer = new Bid(memberId, bidAmount, dateOfBid);
auction.PlaceBidFor(offer, dateOfBid);
}
public Bid(Guid bidderId, Money maximumBid, DateTime timeOfOffer)
{
if (bidderId == Guid.Empty)
throw new ArgumentNullException("BidderId cannot be null");
if (maximumBid == null)
throw new ArgumentNullException("MaximumBid cannot be null");
if (timeOfOffer == DateTime.MinValue)
throw new ArgumentNullException("Time of Offer must have a value");
Bidder = bidderId;
MaximumBid = maximumBid;
TimeOfOffer = timeOfOffer;
}
public WinningBid(Guid bidder, Money maximumBid, Money bid, DateTime timeOfBid)
{
if (bidder == Guid.Empty)
throw new ArgumentNullException("Bidder cannot be null");
if (maximumBid == null)
throw new ArgumentNullException("MaximumBid cannot be null");
if (timeOfBid == DateTime.MinValue)
throw new ArgumentNullException("TimeOfBid must have a value");
Bidder = bidder;
MaximumBid = maximumBid;
TimeOfBid = timeOfBid;
CurrentAuctionPrice = new Price(bid);
}
public Auction(Guid id, Guid listingId, Money startingPrice, DateTime endsAt)
{
if (id == Guid.Empty)
throw new ArgumentNullException("Auction Id cannot be null");
if (startingPrice == null)
throw new ArgumentNullException("Starting Price cannot be null");
if (endsAt == DateTime.MinValue)
throw new ArgumentNullException("EndsAt must have a value");
if (listingId == Guid.Empty)
throw new ArgumentNullException("Lisitng Id cannot be null");
Id = id;
ListingId = listingId;
StartingPrice = startingPrice;
EndsAt = endsAt;
}
public bool CanBeExceededBy(Money offer)
{
return offer.IsGreaterThanOrEqualTo(BidIncrement());
}
public bool IsLessThanOrEqualTo(Money money)
{
return this.Value < money.Value || this.Equals(money);
}
public bool IsGreaterThanOrEqualTo(Money money)
{
return this.Value > money.Value || this.Equals(money);
}
public bool IsGreaterThan(Money money)
{
return this.Value > money.Value;
}
public Money Add(Money money)
{
return new Money(Value + money.Value);
}
public bool CanMeetOrExceedBidIncrement(Money offer)
{
return CurrentAuctionPrice.CanBeExceededBy(offer);
}
private bool MaxBidCanBeExceededBy(Money bid)
{
return !this.MaximumBid.IsGreaterThanOrEqualTo(bid);
}
private WinningBid CreateNewBid(Guid bidder, Money bid, Money maxBid, DateTime timeOfBid)
{
return new WinningBid(bidder, bid, maxBid, timeOfBid);
}
public HistoricalBid(Guid bidder, Money Bid, DateTime timeOfBid)
{
}