private void BindWikiContent()
{
if (string.IsNullOrEmpty(Request.QueryString["id"]))
throw new InvalidOperationException("A valid identifier is requested.");
wiki = Wiki.Load(new Guid(Request.QueryString["id"]));
if (wiki == null)
return;
// Tracing on first request.
if (!Page.IsPostBack)
TraceWiki(wiki);
Page.Title = string.Format("Wiki - {0}", wiki.Title);
TitleLabel.Text = wiki.Title;
EditorLabel.Text = string.Format("Autor: {0}{1}", !string.IsNullOrEmpty(wiki.Editor) ? wiki.Editor : "ND",
!string.IsNullOrEmpty(wiki.DepartmentArea) ? string.Format(" - {0}", wiki.DepartmentArea) : string.Empty);
ContentLabel.Text = wiki.Content;
EditButton.Visible = wiki.Editable || User.IsInRole("Administrator");
relatedWiki = Wiki.GetRelatedWiki(wiki);
if (relatedWiki != null)
{
int max = 3;
while (max-- > 0 && (relatedWiki == null || relatedWiki.Equals(wiki)))
relatedWiki = Wiki.GetRandomWiki();
TitleRelatedLabel.Text = relatedWiki.Title;
ContentRelatedLabel.Text = relatedWiki.Description;
RelatedWikiLink.NavigateUrl = TitleRelatedLabel.NavigateUrl = relatedWiki.RelativeLink;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (HttpContext.Current.Cache["contentOfDay"] == null &&
HttpContext.Current.Cache["Article1Cover"] == null &&
HttpContext.Current.Cache["Article2Cover"] == null)
{
content1 = Wiki.GetRandomWiki();
if (content1 == null)
{
UpdateView();
return;
}
contentOfDay = content1.Title;
content2 = Wiki.GetRandomWiki();
/// Mmm... aki puede haber problemas, cuando Wiki.GetRandomWiki() regrese siempre el mismo
/// (solo haya un wiki) y también cuando regresa null.
int max = 20;
while (max-- > 0 && content1.Equals(content2))
content2 = Wiki.GetRandomWiki();
DateTime absoluteExpiration = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);
absoluteExpiration = absoluteExpiration.AddDays(1);
HttpContext.Current.Cache.Add("contentOfDay", contentOfDay, null, absoluteExpiration,
Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
HttpContext.Current.Cache.Add("Article1Cover", content1.ID, null, absoluteExpiration,
Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
HttpContext.Current.Cache.Add("Article2Cover", content2.ID, null, absoluteExpiration,
Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
}
else
{
contentOfDay = (string)HttpContext.Current.Cache["contentOfDay"];
content1 = Wiki.Load((Guid)HttpContext.Current.Cache["Article1Cover"]);
content2 = Wiki.Load((Guid)HttpContext.Current.Cache["Article2Cover"]);
}
UpdateView();
}
}