private static SiteMapUpdatePriority GetUpdatePriorityFromAttribute(XmlNode node)
{
SiteMapUpdatePriority priority = SiteMapUpdatePriority.Automatic;
string stringValue = GetStringValueFromAttribute(node, UpdatePriorityAttributeName);
if (!string.IsNullOrEmpty(stringValue))
{
priority = ToEnum(stringValue, SiteMapUpdatePriority.Automatic);
}
return(priority);
}
private HandlerCacheItem GetNewsSiteMap(HttpContextBase context)
{
const string DateFormat = "yyyy-MM-ddThh:mm:ssZ";
const string CacheKey = "newsSitemap";
Log.Info("Generating {0}".FormatWith(CacheKey));
HandlerCacheItem cacheItem;
Cache.TryGet(CacheKey, out cacheItem);
if (cacheItem == null)
{
XElement urlSet = new XElement(_ns + "urlset", new XAttribute("xmlns", _ns.ToString()), new XAttribute(XNamespace.Xmlns + "news", _googleNews.ToString()));
PagedResult <IStory> pagedResult = StoryRepository.FindPublished(0, 1000); // Google only supports 1000 story
int i = 0;
foreach (IStory story in pagedResult.Result)
{
SiteMapUpdatePriority priority = (i < 50) ? SiteMapUpdatePriority.Critical : SiteMapUpdatePriority.Normal;
AddStoryInNewsSiteMap(context, urlSet, story, priority, DateFormat);
i += 1;
}
XDocument doc = new XDocument();
doc.Add(urlSet);
cacheItem = new HandlerCacheItem {
Content = doc.ToXml()
};
if ((CacheDurationInMinutes > 0) && (!Cache.Contains(CacheKey)))
{
Cache.Set(CacheKey, cacheItem, SystemTime.Now().AddMinutes(CacheDurationInMinutes));
}
}
Log.Info("{0} generated".FormatWith(CacheKey));
return(cacheItem);
}
private void AddStoryInNewsSiteMap(HttpContextBase context, XContainer target, IStory story, SiteMapUpdatePriority priority, string dateFormat)
{
XElement url = CreateEntry(context, Settings.RootUrl, "Detail", new { name = story.UniqueName }, story.LastActivityAt, SiteMapChangeFrequency.Daily, priority, false);
string keyWords = story.BelongsTo.Name;
if (story.HasTags())
{
keyWords += ", " + string.Join(", ", story.Tags.Select(t => t.Name).ToArray());
}
url.Add(new XElement(_googleNews + "news", new XElement(_googleNews + "publication_date", story.PublishedAt.Value.ToString(dateFormat, Constants.CurrentCulture)), new XElement(_googleNews + "keywords", keyWords)));
target.Add(url);
}
private static XElement BuildEntry(string url, IFormattable lastModified, SiteMapChangeFrequency frequency, SiteMapUpdatePriority priority, bool forMobile)
{
XElement x = new XElement(_ns + "url", new XElement(_ns + "loc", url));
if (forMobile)
{
x.Add(new XElement(_googleMobile + "mobile"));
}
else
{
string priorityString;
switch (priority)
{
case SiteMapUpdatePriority.Critical:
{
priorityString = "0.9";
break;
}
case SiteMapUpdatePriority.High:
{
priorityString = "0.7";
break;
}
case SiteMapUpdatePriority.Low:
{
priorityString = "0.3";
break;
}
default:
{
priorityString = "0.5";
break;
}
}
x.Add(new XElement(_ns + "lastmod", lastModified.ToString("yyyy-MM-dd", Constants.CurrentCulture)), new XElement(_ns + "changefreq", frequency.ToString().ToLowerInvariant()), new XElement(_ns + "priority", priorityString));
}
return(x);
}
private static XElement CreateEntry(HttpContextBase context, string rootUrl, string controllerName, string actionName, object values, IFormattable lastModified, SiteMapChangeFrequency frequency, SiteMapUpdatePriority priority, bool forMobile)
{
string url = string.Concat(rootUrl, GenerateUrlFrom(context, controllerName, actionName, values));
return(BuildEntry(url, lastModified, frequency, priority, forMobile));
}
public SiteMapNodeBuilder UpdatePriority(SiteMapUpdatePriority value)
{
siteMapNode.UpdatePriority = value;
return this;
}
public virtual SiteMapNodeBuilder UpdatePriority(SiteMapUpdatePriority value)
{
this.siteMapNode.UpdatePriority = value;
return(this);
}
