/// <summary>
/// Retrieves a set of Stockquote objects for a given number of stock symbols.
/// </summary>
/// <param name="symbols">A string array of Stock Ticker Symbols</param>
/// <returns></returns>
public StockQuote[] GetStockQuotes(string[] symbols)
{
string url = STR_YAHOOFINANCE_STOCK_BASEURL;
WebClient http = new WebClient();
// Stocks are concatenated with commas
foreach (string symbol in symbols)
{
url += symbol + ",";
}
url = url.TrimEnd(',');
url += STR_STOCK_FORMATTING;
string rawQuoteString = http.DownloadString(url);
// Break up into each individual quote
string[] quoteStrings = rawQuoteString.Split(new string[1] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
// Break up each quote CSV component and parse it into object
StockQuote[] quotes = new StockQuote[quoteStrings.Length];
for (int x = 0; x < quoteStrings.Length; x++)
{
quotes[x] = this.ParseStockQuote(quoteStrings[x]);
}
return quotes;
}
/// <summary>
/// Retrieves a set of Stockquote objects for a given number of stock symbols.
/// </summary>
/// <param name="symbols">A string array of Stock Ticker Symbols</param>
/// <returns></returns>
public StockQuote[] GetStockQuotes(string[] symbols)
{
string url = STR_YAHOOFINANCE_STOCK_BASEURL;
WebClient http = new WebClient();
// Stocks are concatenated with commas
foreach (string symbol in symbols)
{
url += symbol + ",";
}
url = url.TrimEnd(',');
url += STR_STOCK_FORMATTING;
string rawQuoteString = http.DownloadString(url);
// Break up into each individual quote
string[] quoteStrings = rawQuoteString.Split(new string[1] {
"\n"
}, StringSplitOptions.RemoveEmptyEntries);
// Break up each quote CSV component and parse it into object
StockQuote[] quotes = new StockQuote[quoteStrings.Length];
for (int x = 0; x < quoteStrings.Length; x++)
{
quotes[x] = this.ParseStockQuote(quoteStrings[x]);
}
return(quotes);
}
/// <summary>
/// Retrieves an individual Stock quote based on a ticker symbol
/// </summary>
/// <param name="symbol">Stock Ticker Symbol (ie. MSFT, INTC, YUM)</param>
/// <returns>Quote object or null</returns>
public StockQuote GetStockQuote(string symbol)
{
StockQuote quote = null;
WebClient http = new WebClient();
string quoteString = http.DownloadString(STR_YAHOOFINANCE_STOCK_BASEURL + symbol +
STR_STOCK_FORMATTING);
quote = this.ParseStockQuote(quoteString);
return(quote);
}
/// <summary>
/// Parses an individual QUote String
/// </summary>
/// <param name="QuoteString"></param>
/// <returns></returns>
private StockQuote ParseStockQuote(string QuoteString)
{
// "MSFT",27.17,"3/10/2006","4:00pm",+0.17,27.04,27.22,26.88,"MICROSOFT CP"
// 0 1 2 3 4 5 6 7 8
StockQuote Quote = new StockQuote();
string[] Details = QuoteString.Split(',');
Quote.Symbol = Details[0].Replace("\"", "");
Quote.Company = Details[8].Replace("\"", "").Replace("\n", "").Replace("\r", "").Trim();
string Work = Details[1];
decimal WorkNumber = 0M;
decimal.TryParse(Work, out WorkNumber);
Quote.LastPrice = WorkNumber;
Work = Details[4];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.NetChange = WorkNumber;
// Percent Change "+0.57%"
Work = Details[9].Trim(new char[4] { '%','+',' ','"'} );
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.NetChangePercent = WorkNumber;
Work = Details[10];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.MarketCap = WorkNumber;
Work = Details[11];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.ProfitEarnings = WorkNumber;
Work = Details[12];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.DividendYield = WorkNumber;
Work = Details[2] + " " + Details[3];
Work = Work.Replace("\"", "");
DateTime WorkDate = DateTime.UtcNow;
DateTime.TryParse(Work, out WorkDate); // CultureInfo.GetCultureInfo("en-us"), DateTimeStyles.AssumeLocal, out WorkDate);
if (WorkDate < StockQuote.DATE_EMPTY)
return null;
else
Quote.LastQuoteTime = WorkDate;
return Quote;
}
/// <summary>
/// Parses an individual QUote String
/// </summary>
/// <param name="QuoteString"></param>
/// <returns></returns>
private StockQuote ParseStockQuote(string QuoteString)
{
// "MSFT",27.17,"3/10/2006","4:00pm",+0.17,27.04,27.22,26.88,"MICROSOFT CP"
// 0 1 2 3 4 5 6 7 8
StockQuote Quote = new StockQuote();
string[] Details = QuoteString.Split(',');
Quote.Symbol = Details[0].Replace("\"", "");
Quote.Company = Details[8].Replace("\"", "").Replace("\n", "").Replace("\r", "").Trim();
string Work = Details[1];
decimal WorkNumber = 0M;
decimal.TryParse(Work, out WorkNumber);
Quote.LastPrice = WorkNumber;
Work = Details[4];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.NetChange = WorkNumber;
// Percent Change "+0.57%"
Work = Details[9].Trim(new char[4] {
'%', '+', ' ', '"'
});
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.NetChangePercent = WorkNumber;
Work = Details[10];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.MarketCap = WorkNumber;
Work = Details[11];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.ProfitEarnings = WorkNumber;
Work = Details[12];
WorkNumber = 0.00M;
decimal.TryParse(Work, out WorkNumber);
Quote.DividendYield = WorkNumber;
Work = Details[2] + " " + Details[3];
Work = Work.Replace("\"", "");
DateTime WorkDate = DateTime.UtcNow;
DateTime.TryParse(Work, out WorkDate); // CultureInfo.GetCultureInfo("en-us"), DateTimeStyles.AssumeLocal, out WorkDate);
if (WorkDate < StockQuote.DATE_EMPTY)
{
return(null);
}
else
{
Quote.LastQuoteTime = WorkDate;
}
return(Quote);
}
