public RealTimePrice GetRealTimePrice(string symbol)
{
if (symbol == null)
{
throw new ArgumentNullException("Symbols list is null. Cannot get realtime prices.");
}
if (_stockPriceDataClient == null)
{
_stockPriceDataClient = new StockPriceDataClient(_apiToken, _useProxy);
}
return(_stockPriceDataClient.GetRealTimePrice(symbol));
}
public List <HistoricalPrice> GetHistoricalPrices(string symbol, DateTime?startDate, DateTime?endDate)
{
if (symbol == null)
{
throw new ArgumentNullException("Symbol is null, cannot query prices.");
}
if (_stockPriceDataClient == null)
{
_stockPriceDataClient = new StockPriceDataClient(_apiToken, _useProxy);
}
return(_stockPriceDataClient.GetHistoricalPrices(symbol, startDate, endDate));
}
public List <RealTimePrice> GetRealTimePrices(string[] symbols)
{
if (symbols == null)
{
throw new ArgumentNullException("Symbols list is null. Cannot get realtime prices.");
}
if (symbols.Length == 0)
{
throw new ArgumentNullException("Symbols list is empty. Cannot get realtime prices.");
}
if (symbols.Any(x => x == null))
{
throw new ArgumentNullException("Symbols list contains null elements. Cannot get realtime prices.");
}
if (_stockPriceDataClient == null)
{
_stockPriceDataClient = new StockPriceDataClient(_apiToken, _useProxy);
}
return(_stockPriceDataClient.GetRealTimePrices(symbols));
}