public Auction FindBy(Guid Id)
{
AuctionDTO auctionDTO;
using (var connection = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["AuctionDB"].ConnectionString))
{
auctionDTO = connection.Query<AuctionDTO>("Select * From Auctions Where Id = CAST(@Id AS uniqueidentifier)", new { Id = Id }).FirstOrDefault();
}
var auctionSnapshot = new AuctionSnapshot();
auctionSnapshot.Id = auctionDTO.Id;
auctionSnapshot.EndsAt = auctionDTO.AuctionEnds;
auctionSnapshot.StartingPrice = auctionDTO.StartingPrice;
auctionSnapshot.Version = auctionDTO.Version;
if (auctionDTO.BidderMemberId.HasValue)
{
var bidSnapshot = new WinningBidSnapshot();
bidSnapshot.AuctionId = auctionDTO.Id;
bidSnapshot.BiddersMaximumBid = auctionDTO.MaximumBid.Value;
bidSnapshot.CurrentPrice = auctionDTO.CurrentPrice.Value;
bidSnapshot.BiddersId = auctionDTO.BidderMemberId.Value;
bidSnapshot.TimeOfBid = auctionDTO.TimeOfBid.Value;
auctionSnapshot.WinningBid = bidSnapshot;
}
return Auction.CreateFrom(auctionSnapshot);
}
private Auction(AuctionSnapshot snapshot)
{
this.Id = snapshot.Id;
this.StartingPrice = new Money(snapshot.StartingPrice);
this.EndsAt = snapshot.EndsAt;
this.Version = snapshot.Version;
if (snapshot.WinningBid != null)
{
CurrentWinningBid = WinningBid.CreateFrom(snapshot.WinningBid);
}
}
public AuctionSnapshot GetSnapshot()
{
var snapshot = new AuctionSnapshot();
snapshot.Id = this.Id;
snapshot.StartingPrice = this.StartingPrice.GetSnapshot().Value;
snapshot.EndsAt = this.EndsAt;
snapshot.Version = this.Version;
if (HasACurrentBid())
{
snapshot.WinningBid = CurrentWinningBid.GetSnapshot();
}
return(snapshot);
}
public AuctionStatus ConvertToStatus(AuctionSnapshot snapshot)
{
var status = new AuctionStatus();
status.AuctionEnds = snapshot.EndsAt;
status.Id = snapshot.Id;
status.TimeRemaining = TimeRemaining(snapshot.EndsAt);
if (snapshot.WinningBid != null)
{
status.NumberOfBids = _bidHistory.NoOfBidsFor(snapshot.Id);
status.WinningBidderId = snapshot.WinningBid.BiddersId;
status.CurrentPrice = snapshot.WinningBid.CurrentPrice;
}
return status;
}
public void Map(AuctionDTO auctionDTO, AuctionSnapshot snapshot)
{
auctionDTO.Id = snapshot.Id;
auctionDTO.StartingPrice = snapshot.StartingPrice;
auctionDTO.AuctionEnds = snapshot.EndsAt;
auctionDTO.Version = snapshot.Version;
if (snapshot.WinningBid != null)
{
auctionDTO.BidderMemberId = snapshot.WinningBid.BiddersId;
auctionDTO.CurrentPrice = snapshot.WinningBid.CurrentPrice;
auctionDTO.MaximumBid = snapshot.WinningBid.BiddersMaximumBid;
auctionDTO.TimeOfBid = snapshot.WinningBid.TimeOfBid;
}
}
public static Auction CreateFrom(AuctionSnapshot snapshot)
{
return(new Auction(snapshot));
}