private void AddWatchStock(string stockSymbol)
{
if (!WatchListItems.Any(x => x.TickerSymbol.Equals(stockSymbol)))
{
PopulateWatchItemsList(new string[] { stockSymbol });
}
}
private void RemoveWatch(string tickerSymbol)
{
var item = WatchListItems.FirstOrDefault(w => w.TickerSymbol.Equals(tickerSymbol, StringComparison.InvariantCultureIgnoreCase));
if (item != null)
{
WatchListItems.Remove(item);
}
}
private void PopulateWatchItemsList(IEnumerable <string> watchItemsList)
{
//WatchListItems.Clear();
foreach (string tickerSymbol in watchItemsList)
{
decimal?currentPrice;
try
{
currentPrice = marketFeedService.GetPrice(tickerSymbol);
}
catch (ArgumentException)
{
currentPrice = null;
}
WatchListItems.Add(new WatchItem(tickerSymbol, currentPrice));
}
}