public static BidsModel GetMaxBidOfAuction(string id, BidContext context)
{
List <BidsModel> bids = context.Bids.Where(x => x.AuctionId == id).ToList();
if (bids.Count > 0)
{
BidsModel bm = bids.MaxBy(x => x.Value);
return(bm);
}
else
{
return(null);
}
}
public static string SetWinnerID(Auction auc)
{
BidContext bc = new BidContext();
BidsModel bm = GetMaxBidOfAuction(auc.Id, bc);
if (bm != null)
{
return(bm.AuctionId);
}
else
{
return(null);
}
}
private void PassAuction(decimal price)
{
priceTextBox.BackColor = System.Drawing.Color.Empty;
BidsModel bidsModel = new BidsModel()
{
AuctionId = Id,
UserId = HttpContext.Current.User.Identity.GetUserId(),
Id = Guid.NewGuid().ToString(),
Value = price,
};
bidContext.Bids.Add(bidsModel);
bidContext.SaveChanges();
ExtensionMethods.RefreshDB();
Response.Redirect("/AuctionDetails?Id=" + Id);
}
public bool CheckIfEndingPriceIsOk(BidsModel bid)
{
if (bid == null)
{
return(true);
}
var auc = GetSingleElementByID(bid.AuctionId);
if (auc.EndingPrice < bid.Value)
{
auc.EndingPrice = bid.Value;
Update(auc);
Save();
return(true);
}
return(false);
}
public static void RefreshDB()
{
AuctionContext ac = new AuctionContext();
BidContext bc = new BidContext();
foreach (Auction item in ac.Auctions)
{
if (DateTime.Now >= item.DateCreated.AddDays(item.ExpiresIn))
{
item.IsEnded = true;
item.WinnerId = ExtensionMethods.SetWinnerID(item);
}
BidsModel MaxBid = ExtensionMethods.GetMaxBidOfAuction(item.Id, bc, item);
if (MaxBid != null)
{
item.EndingPrice = MaxBid.Value;
}
}
ac.SaveChanges();
}
