public static List <StockSummary> GetStocksFromBarchart(string Symbols)
{
List <StockSummary> lst = new List <StockSummary>();
var fmt = "https://marketdata.websol.barchart.com/getQuote.csv?apikey={0}&symbols={1}&fields={2}&mode=I&jerq=false";
var token = "a12e94cc748160856f9039fcc6f6177b";
var fields = "ask,bid";
// api key 0: the api key from https://www.barchart.com/ondemand
// symbols 1:A symbol or code that identifies a financial instrument. Multiple symbols separated by a comma may be used.
// fields 2: the fields requested
var url = string.Format(fmt, token, Symbols, fields);
// get content
var sb = new StringBuilder();
var wc = new WebClient();
IWebProxy defaultProxy = WebRequest.DefaultWebProxy;
if (defaultProxy != null)
{
defaultProxy.Credentials = CredentialCache.DefaultCredentials;
wc.Proxy = defaultProxy;
}
using (var sr = new StreamReader(wc.OpenRead(url)))
{
// skip headers
var header = sr.ReadLine();
var headers = new List <string>(header.Split(','));
int i = 0;
// read each line
for (var line = sr.ReadLine(); line != null; line = sr.ReadLine())
{
var items = line.Split(',').Select(item => item.Trim('"')).ToArray();
var stock = new StockSummary();
stock.Symbol = items[headers.IndexOf("symbol")];
stock.Name = items[headers.IndexOf("name")];
stock.Open = ParseFloat(items[headers.IndexOf("open")]); // as requested
stock.Close = ParseFloat(items[headers.IndexOf("close")]); // as requested
stock.LastSale = ParseFloat(items[headers.IndexOf("lastPrice")]);
lst.Add(stock);
}
}
return(lst);
}
/// <summary>
/// Get stock summary by symbol name.
/// </summary>
/// <param name="symbol">symbol name</param>
/// <returns></returns>
public static StockSummary GetStock(string symbol)
{
StockSummary stock = null;
try
{
stock = GetStockFromBarchart(symbol);
}
catch
{
try
{
CacheData cacheData = new CacheData();
stock = cacheData.GetCachedStock(symbol);
}
catch { }
}
return(stock);
}
