public async System.Threading.Tasks.Task PostAsync([FromUri] string value)
{
// Decoding input
var firstDelimiter = value.IndexOf(';');
var lastDelimiter = value.LastIndexOf(';');
var username = value.Substring(0, firstDelimiter);
var stockname = value.Substring(firstDelimiter + 1, value.Length - (firstDelimiter + 1));
stockname = stockname.Substring(0, stockname.IndexOf(';'));
var amount = value.Substring(lastDelimiter + 1, value.Length - (lastDelimiter + 1));
int amountInt;
if (int.TryParse(amount, out amountInt))
{
var stock = new Common.Stock()
{
StockName = stockname, StockType = Common.Stock.SaleOrPurchase.Purchase, Username = username, Amount = amountInt
};
await Buyer.PlaceRequestAsync(stock);
}
}
public void AddStock(string symbol, decimal? price = null)
{
var stock = new Stock
{
Symbol = symbol,
Price = price.GetValueOrDefault(_priceRandomizer.Next(10, 700))
};
AddStock(stock);
}
public void Handle(IStockChangeEvent message)
{
var symbol = message.Symbol;
var stock = _stocks.GetStockBySymbol(symbol);
if (stock == null)
{
stock = new Stock { Symbol = symbol, Price = message.Price };
_stocks.AddStock(stock);
GetClients().addStock(message);
}
else
{
stock.Price = message.Price;
GetClients().updateStockPrice(message);
}
}
public static IStockChangeEvent Create(Stock stock)
{
StockPriceChange change;
if (stock.Change > 0)
change = new StockPriceIncrease();
else if (stock.Change < 0)
change = new StockPriceDecrease();
else
{
return null;
}
change.Change = stock.Change;
change.DayHigh = stock.DayHigh;
change.DayLow = stock.DayLow;
change.DayOpen = stock.DayOpen;
change.LastChange = stock.LastChange;
change.PercentChange = stock.PercentChange;
change.Price = stock.Price;
change.Symbol = stock.Symbol;
return change;
}
public void AddStock(Stock stock)
{
_stocks.Add(stock.Symbol, stock);
}
public void AddStock(Stock stock)
{
_stocks.AddStock(stock);
if (stock == null)
return;
stock.Price += GetRandomPriceChange(stock);
if (StockChanged != null)
StockChanged(this, new EventArgs<Stock>(stock));
}
private decimal GetRandomPriceChange(Stock stock)
{
// Update the stock price by a random factor of the range percent
var random = new Random((int)Math.Floor(stock.Price));
var percentChange = random.NextDouble() * RangePercent;
var pos = random.NextDouble() > .51;
var change = Math.Round(stock.Price * (decimal)percentChange, 2);
change = pos ? change : -change;
return change;
}