private List <StockListObjectData> GetStockPrices(ConfigSettingsObject settings)
{
List <StockListObjectData> toReturn = new List <StockListObjectData>();
// To array creates a copy of the list, so that alteration withing the UI
// doesn't cause forloop iteration problems whilst altering
foreach (var stock in settings.watchedStock.ToArray())
{
try
{
StockListObjectData newData = IEXHelper.GetStockData(stock, settings.iexCloudApiKey);
if (settings.onlyPopupDuringTradingHours == true)
{
if (newData.StockStockMarketOpen == true)
{
toReturn.Add(newData);
}
}
else
{
toReturn.Add(newData);
}
}
catch (Exception ex)
{
if (ex.Message.StartsWith("Invalid status response:"))
{
//Invalid symbol likely
Debug.WriteLine(stock + ":" + ex.Message);
}
else
{
throw ex;
}
}
}
return(toReturn);
}
/// <summary>
/// returns a percentage ( as Decimal ) for a stock ticker
/// </summary>
/// <param name="symbol"></param>
/// <returns>StockListObject</returns>
public static StockListObjectData GetStockData(string symbol, string apiKey)
{
StockListObjectData toReturn = new StockListObjectData();
toReturn.PercentageChange = 0;
toReturn.StockName = symbol;
toReturn.StockStockMarketOpen = false;
// Build query to call against API:
string paramaters = $"stock/{symbol}/quote?token={apiKey}&displayPercent=true";
string objectAsString = APICall(paramaters);
var data = (JObject)JsonConvert.DeserializeObject(objectAsString);
if (data["changePercent"] != null && data["changePercent"].Type != JTokenType.Null)
{
toReturn.PercentageChange = data["changePercent"].Value <Decimal>();
}
// Close by default.
string closedValueString = "close";
if (data["latestSource"] != null && data["latestSource"].Type != JTokenType.Null)
{
closedValueString = data["latestSource"].Value <String>();
}
if (closedValueString.ToLower().Contains("close"))
{
toReturn.StockStockMarketOpen = false;
}
else
{
toReturn.StockStockMarketOpen = true;
}
return(toReturn);
}