public IEnumerable <WinningBid> GenerateNextSequenceOfBidsAfter(Offer offer, WinningBid currentWinningBid)
        {
            var bids = new List <WinningBid>();

            if (currentWinningBid.MaximumBid.IsGreaterThanOrEqualTo(offer.MaximumBid))
            {
                var bidFromOffer = new WinningBid(offer.Bidder, offer.MaximumBid, offer.MaximumBid, offer.TimeOfOffer);
                bids.Add(bidFromOffer);

                bids.Add(CalculateNextBid(bidFromOffer, new Offer(currentWinningBid.Bidder, currentWinningBid.MaximumBid, currentWinningBid.TimeOfBid)));
            }
            else
            {
                if (currentWinningBid.HasNotReachedMaximumBid())
                {
                    var currentBiddersLastBid = new WinningBid(currentWinningBid.Bidder, currentWinningBid.MaximumBid, currentWinningBid.MaximumBid, currentWinningBid.TimeOfBid);
                    bids.Add(currentBiddersLastBid);

                    bids.Add(CalculateNextBid(currentBiddersLastBid, offer));
                }
                else
                {
                    bids.Add(new WinningBid(offer.Bidder, currentWinningBid.CurrentAuctionPrice.BidIncrement(), offer.MaximumBid, offer.TimeOfOffer));
                }
            }

            return(bids);
        }
Beispiel #2
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        private void Place(WinningBid newBid)
        {
            if (!FirstOffer() && WinningBid.WasMadeBy(newBid.Bidder))
            {
                DomainEvents.Raise(new OutBid(Id, WinningBid.Bidder));
            }

            WinningBid = newBid;
            DomainEvents.Raise(new BidPlaced(Id, newBid.Bidder, newBid.CurrentAuctionPrice.Amount, newBid.TimeOfBid));
        }
        private WinningBid CalculateNextBid(WinningBid winningbid, Offer offer)
        {
            WinningBid bid;

            if (winningbid.CanBeExceededBy(offer.MaximumBid))
            {
                bid = new WinningBid(offer.Bidder, offer.MaximumBid, winningbid.CurrentAuctionPrice.BidIncrement(), offer.TimeOfOffer);
            }
            else
            {
                bid = new WinningBid(offer.Bidder, offer.MaximumBid, offer.MaximumBid, offer.TimeOfOffer);
            }

            return(bid);
        }
Beispiel #4
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        public void PlaceBidFor(Offer offer, DateTime currentTime)
        {
            if (StillInProgress(currentTime))
            {
                if (FirstOffer())
                {
                    PlaceABidForTheFirst(offer);
                }
                else if (BidderIsIncreasingMaximumBidToNew(offer))
                {
                    WinningBid = WinningBid.RaiseMaximumBidTo(offer.MaximumBid);
                }
                else if (WinningBid.CanBeExceededBy(offer.MaximumBid))
                {
                    var newBids = new AutomaticBidder().GenerateNextSequenceOfBidsAfter(offer, WinningBid);

                    foreach (var bid in newBids)
                    {
                        Place(bid);
                    }
                }
            }
        }
Beispiel #5
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 private bool BidderIsIncreasingMaximumBidToNew(Offer offer)
 {
     return(WinningBid.WasMadeBy(offer.Bidder) && offer.MaximumBid.IsGreaterThan(WinningBid.MaximumBid));
 }