// Add New Seller Market Entry to Auction
public void AddSellerMarketEntry(MarketEntryFormViewModel viewModel, string userId)
{
var marketEntry = MarketEntry.CreateSellerEntry(userId, EntryType.Supply,
Id, viewModel.FinalProductId, viewModel.EntryQuantity,
viewModel.EntryPrice, viewModel.DeliveryDate);
MarketEntries.Add(marketEntry);
}
// Add New Buyer Market Entry to Auction
public void AddBuyerMarketEntry(MarketEntryFormViewModel viewModel, string userId)
{
var marketEntry = MarketEntry.CreateBuyerEntry(userId, EntryType.Demand,
Id, viewModel.ProductId, viewModel.ProductQualityId,
viewModel.EntryQuantity, viewModel.EntryPrice, viewModel.DeliveryDate,
viewModel.DeliveryLocation);
MarketEntries.Add(marketEntry);
}
public override IEnumerable <Core.IEntity> Children()
{
return(MarketEntries.Cast <Core.IEntity>());
}
// Algorithm matching Orders
private void SetTradeMatches()
{
var sellerEntries = MarketEntries
.Where(m => m.EntryType == EntryType.Supply)
.OrderBy(e => e.EntryDate)
.ThenBy(e => e.EntryPrice);
var buyerEntries = MarketEntries
.Where(m => m.EntryType == EntryType.Demand)
.OrderBy(e => e.EntryDate)
.ThenBy(e => e.EntryPrice);
sellerEntries.ToList().ForEach(se => se.SetMatchQuantity(se.EntryQuantity));
buyerEntries.ToList().ForEach(be => be.SetMatchQuantity(be.EntryQuantity));
foreach (var sellerEntry in sellerEntries)
{
foreach (var buyerEntry in buyerEntries)
{
if (sellerEntry.FinalProduct.ProductId == buyerEntry.FinalProduct.ProductId &&
sellerEntry.FinalProduct.QualityId == buyerEntry.FinalProduct.QualityId &&
sellerEntry.DeliveryDate == buyerEntry.DeliveryDate &&
sellerEntry.EntryPrice <= buyerEntry.EntryPrice) // price logic Todo
{
if (sellerEntry.MatchQuantity < buyerEntry.MatchQuantity)
{
var tradeMatch = new TradeMatch(Id, sellerEntry.Id, buyerEntry.Id,
sellerEntry.MatchQuantity, buyerEntry.EntryPrice);
TradeMatches.Add(tradeMatch);
//Create the notification
var notification = Notification.TradeMatchCompleted(tradeMatch);
sellerEntry.User.Notify(notification);
buyerEntry.User.Notify(notification);
buyerEntry.SetMatchQuantity(buyerEntry.MatchQuantity - tradeMatch.QuantityExecuted);
sellerEntry.SetMatchQuantity(sellerEntry.MatchQuantity - tradeMatch.QuantityExecuted);
}
else
{
var tradeMatch = new TradeMatch(Id, sellerEntry.Id, buyerEntry.Id,
buyerEntry.MatchQuantity, buyerEntry.EntryPrice);
TradeMatches.Add(tradeMatch);
//Create the notification
var notification = Notification.TradeMatchCompleted(tradeMatch);
sellerEntry.User.Notify(notification);
buyerEntry.User.Notify(notification);
buyerEntry.SetMatchQuantity(buyerEntry.MatchQuantity - tradeMatch.QuantityExecuted);
sellerEntry.SetMatchQuantity(sellerEntry.MatchQuantity - tradeMatch.QuantityExecuted);
}
}
}
}
}
