private void OnTimerElapsed(object sender, ElapsedEventArgs e)
{
if (Stocks.Count > 0)
{
var nextStock = Stocks.Dequeue();
StockTick?.Invoke(this, nextStock);
}
}
private void OnStockTick(object sender, StockTick changedStock)
{
var quoteSymbol = changedStock.QuoteSymbol;
var stockInfoExists = _stockInfos.TryGetValue(quoteSymbol, out StockInfo stockInfo);
if (stockInfoExists)
{
var priceDiff = changedStock.Price - stockInfo.PrevPrice;
var percentageChange = Math.Abs(priceDiff / stockInfo.PrevPrice);
if (percentageChange > MaxChangeRatio)
{
Console
.WriteLine($"Stock:{quoteSymbol} has changed with ratio {percentageChange:F}\nOld price: {stockInfo.PrevPrice}, New price: {changedStock.Price}");
}
}
_stockInfos[quoteSymbol] = new StockInfo(changedStock.QuoteSymbol, changedStock.Price);
}