private static string GetCacheKey(Widget widget, OutputCacheableAttribute attribute)
{
var cacheKey = "Widget." + widget.Id;
if (attribute.PerPage)
{
var page = CurrentRequestData.CurrentPage;
if (page != null)
{
cacheKey += ".Page:" + page.Id;
}
}
if (attribute.PerUser)
{
cacheKey += ".User:" + CurrentRequestData.UserGuid;
}
return(cacheKey);
}
public CachingInfo Get(Widget widget)
{
using (MiniProfiler.Current.Step("Get caching info"))
{
if (widget == null)
{
return(CachingInfo.DoNotCache);
}
OutputCacheableAttribute attribute = widget.GetType().GetCustomAttribute <OutputCacheableAttribute>();
if (attribute == null)
{
return(CachingInfo.DoNotCache);
}
bool shouldCache = widget.Cache && widget.CacheLength > 0;
return(new CachingInfo(shouldCache, GetCacheKey(widget, attribute),
TimeSpan.FromSeconds(widget.CacheLength),
widget.CacheExpiryType));
}
}