public PageUrlData GetPageUrlData(IDataReference dataReference)
{
if (dataReference.ReferencedType != typeof(NewsItem))
{
return(null);
}
var data = dataReference.Data;
var newsItem = data as NewsItem;
if (newsItem == null)
{
return(null);
}
var page = PageManager.GetPageById(newsItem.PageId);
if (page == null)
{
return(null);
}
var newsPathInfo = NewsFacade.GetPathInfo(newsItem.TitleUrl, newsItem.Date);
return(new PageUrlData(page)
{
PathInfo = newsPathInfo
});
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/xml";
CultureInfo culture = DataLocalizationFacade.DefaultLocalizationCulture;
string pathInfo = context.Request.PathInfo;
if (pathInfo.Length > 1)
{
culture = new CultureInfo(pathInfo.Substring(1));
}
using (var con = new DataConnection(culture))
{
var feed = new SyndicationFeed
{
Title = new TextSyndicationContent("News List")
};
var items = new List <SyndicationItem>();
IQueryable <NewsItem> allNews = con.Get <NewsItem>();
string hostname = context.Request.Url.Host;
var hostnameBinding = con.Get <IHostnameBinding>().FirstOrDefault(h => h.Hostname == hostname);
if (hostnameBinding != null)
{
Guid homepageId = hostnameBinding.HomePageId;
var sm = new SitemapNavigator(con);
var pagesFilter = new HashSet <Guid>(
sm.GetPageNodeById(homepageId)
.GetPageNodes(SitemapScope.DescendantsAndCurrent)
.Select(p => p.Id));
allNews = allNews.Evaluate().Where(n => pagesFilter.Contains(n.PageId)).ToList().AsQueryable();
}
IEnumerable <NewsItem> latestNews = allNews.OrderByDescending(d => d.Date).Take(10);
foreach (var news in latestNews.Evaluate())
{
var page = PageManager.GetPageById(news.PageId);
if (page == null)
{
continue;
}
var pageUrlData = new PageUrlData(page)
{
PathInfo = NewsFacade.GetPathInfo(news.TitleUrl, news.Date)
};
string pageUrl = PageUrls.BuildUrl(pageUrlData);
if (pageUrl == null)
{
continue;
}
var item = new SyndicationItem(
news.Title,
news.Teaser,
context.GetPath(pageUrl),
news.Id.ToString(),
news.Date
);
item.Categories.Add(new SyndicationCategory(news.PageId.ToString()));
items.Add(item);
}
feed.Items = items;
var writer = new XmlTextWriter(context.Response.Output);
feed.SaveAsRss20(writer);
}
}
