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;
}
public static void AssertWinner(this CompletedAuction completedAuction, AuctionBid winningBid, int price)
{
WinningBid mainWinner = completedAuction.WinningBids.SingleOrDefault(x => ReferenceEquals(winningBid, x.Bid));
Assert.IsNotNull(mainWinner, $"{winningBid.CharacterName} should be a winner.");
Assert.AreEqual(price, mainWinner.Price, $"{winningBid.CharacterName} should pay {price}.");
}
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;
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
WinningBid = await _context.WinningBids.FindAsync(id);
if (WinningBid != null)
{
_context.WinningBids.Remove(WinningBid);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
WinningBid = await _context.WinningBids
.Include(w => w.Bidder)
.Include(w => w.DonationSpecialist)
.Include(w => w.Item).FirstOrDefaultAsync(m => m.ItemID == id);
if (WinningBid == null)
{
return(NotFound());
}
return(Page());
}
public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
WinningBid = await _context.WinningBids
.Include(w => w.Bidder)
.Include(w => w.DonationSpecialist)
.Include(w => w.Item).FirstOrDefaultAsync(m => m.ItemID == id);
if (WinningBid == null)
{
return(NotFound());
}
ViewData["BidderID"] = new SelectList(_context.Bidders, "ID", "FullName");
ViewData["DonationSpecialistID"] = new SelectList(_context.DonationSpecialists, "ID", "FullName");
ViewData["ItemID"] = new SelectList(_context.Items, "ItemID", "ShortName");
Status = new SelectList(Enum.GetNames(typeof(Models.BidStatus)), WinningBid.BidStatus);
return(Page());
}
public void CalculateWinners_TwoItems_SecondPlaceTie()
{
//Arrange
Auction auction = raid.NewAuction(2);
AuctionBid mainBid = auction.AddBid("first", 15, main);
auction.AddBid("second1", 5, main);
auction.AddBid("second2", 5, main);
auction.AddBid("alt", 2, alt);
//Act
CompletedAuction completedAuction = target.CalculateWinners(auction);
//Assert
completedAuction.AssertNumberOfWinners(2);
completedAuction.AssertWinner(mainBid, 5);
WinningBid winner2 = completedAuction.WinningBids[1];
Assert.IsTrue(winner2.Bid.CharacterName.StartsWith("second"), "Winner2 should be a second");
Assert.AreEqual(5, winner2.Price, "second should pay 5");
}