/// <summary>
/// Retrieves from session.
/// </summary>
/// <returns></returns>
public Lab5ViewModel RetrieveFromSession()
{
//Read the session cookie
Lab5ViewModel item;
if(!string.IsNullOrEmpty(UserID))
{
item = m_RavenSession.Load<Lab5ViewModel>(UserID);
if(item == null || item.ID < 0)
{
item = new Lab5ViewModel();
CreateSessions(item);
}
}
else
{
//initialize a link list with max 20 operations
item = new Lab5ViewModel();
CreateSessions(item);
}
return item;
}
/// <summary>
/// Creates the sessions.
/// </summary>
/// <param name="item">The item.</param>
private void CreateSessions(Lab5ViewModel item)
{
DateTime SessionExpiration = DateTime.UtcNow.AddMonths(SessionTimeOutValue);
m_RavenSession.Store(item);
m_RavenSession.SaveChanges();
//Save user ID cookie
HttpCookie authCookie = new HttpCookie(SessionKey, m_RavenSession.Advanced.GetDocumentId(item))
{
Expires = SessionExpiration
};
HttpContext.Current.Response.Cookies.Add(authCookie);
}
public ActionResult Lab5(Lab5ViewModel model)
{
string chartSrc = string.Format("http://ichart.finance.yahoo.com/{0}={1}", "b?s", model.StockSymbol);
string url = string.Format("http://finance.yahoo.com/q/cp?s={0}&ql=1", model.StockSymbol);
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest.Method = "GET";
httpWebRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
//httpWebRequest.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
Stream responseStream = httpWebResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream);
string response = streamReader.ReadToEnd();
string start = @"<div class=""rtq_leaf"">";
string end = @"<div id=""yfi_toolbox_mini_rtq"">";
int startIndex = response.IndexOf(start);
int endIndex = response.IndexOf(end);
if(startIndex > 0 && endIndex > 0 && (endIndex > startIndex))
{
string stockSummaryHTML = response.Substring(startIndex, endIndex - startIndex);
stockSummaryHTML = stockSummaryHTML + @"</div></div></div></div>";
model.StockSummary = stockSummaryHTML;
model.StockChart = chartSrc;
model.LastUpdated = DateTime.Now;
//Save the information
Lab5DataAccess dataAccess = new Lab5DataAccess(RavenSession);
Lab5ViewModel lab5Model = dataAccess.RetrieveFromSession();
lab5Model.InjectFrom(model);
}
else
{
using(StringWriter sw = new StringWriter())
{
ViewEngineResult viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, "_StockSummaryPartial");
ViewContext viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);
viewResult.View.Render(viewContext, sw);
model.StockSummary = sw.GetStringBuilder().ToString();
}
}
return View("Lab5", model);
}