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 WinningBid DetermineWinningBidIncrement(Bid newbid)
{
if (this.CanMeetOrExceedBidIncrement(this.MaximumBid) && this.CanMeetOrExceedBidIncrement(newbid.MaximumBid))
{
return DetermineWinnerFromProxyBidding(this, newbid);
}
else if (this.CanMeetOrExceedBidIncrement(newbid.MaximumBid))
{
return CreateNewBid(newbid.Bidder, CurrentAuctionPrice.BidIncrement(), newbid.MaximumBid, newbid.TimeOfOffer);
}
else
return this;
}
public void PlaceBidFor(Bid bid, DateTime currentTime)
{
if (StillInProgress(currentTime))
{
if (IsFirstBid())
RegisterFirst(bid);
else if (BidderIsIncreasingMaximumBid(bid))
WinningBid = WinningBid.RaiseMaximumBidTo(bid.MaximumBid);
else if (WinningBid.CanMeetOrExceedBidIncrement(bid.MaximumBid))
{
Place(WinningBid.DetermineWinningBidIncrement(bid));
}
}
}
private WinningBid DetermineWinnerFromProxyBidding(WinningBid winningBid, Bid newbid)
{
WinningBid nextIncrement;
if (winningBid.MaxBidCanBeExceededBy(newbid.MaximumBid))
{
nextIncrement = CreateNewBid(this.Bidder, this.MaximumBid, this.MaximumBid, this.TimeOfBid);
if (nextIncrement.CanMeetOrExceedBidIncrement(newbid.MaximumBid))
return CreateNewBid(newbid.Bidder, nextIncrement.CurrentAuctionPrice.BidIncrement(), newbid.MaximumBid, newbid.TimeOfOffer);
else
return CreateNewBid(newbid.Bidder, newbid.MaximumBid, newbid.MaximumBid, newbid.TimeOfOffer);
}
else
{
nextIncrement = CreateNewBid(newbid.Bidder, newbid.MaximumBid, newbid.MaximumBid, newbid.TimeOfOffer);
if (nextIncrement.CanMeetOrExceedBidIncrement(winningBid.MaximumBid))
return CreateNewBid(winningBid.Bidder, nextIncrement.CurrentAuctionPrice.BidIncrement(), winningBid.MaximumBid, winningBid.TimeOfBid);
else
return CreateNewBid(winningBid.Bidder, winningBid.MaximumBid, winningBid.MaximumBid, winningBid.TimeOfBid);
}
}
private void RegisterFirst(Bid bid)
{
if (IsFirstBid() && bid.MaximumBid.IsGreaterThanOrEqualTo(StartingPrice))
Place(new WinningBid(bid.Bidder, bid.MaximumBid, StartingPrice, bid.TimeOfOffer));
}
private bool BidderIsIncreasingMaximumBid(Bid bid)
{
return WinningBid.WasMadeBy(bid.Bidder) && bid.MaximumBid.IsGreaterThan(WinningBid.MaximumBid);
}
private bool BidderIsIncreasingMaximumBid(Bid bid)
{
return(WinningBid.WasMadeBy(bid.Bidder) && bid.MaximumBid.IsGreaterThan(WinningBid.MaximumBid));
}
