public void AddFeedData(FeedCacheItem Data)
{
//filter
var filtered_list = from item in FeedCacheList
where item.url == Data.url
orderby item.expireDate descending
select item;
//remove other same url
foreach (var item in filtered_list)
{
if (item.expireDate != filtered_list.First().expireDate)
{
RemoveFeedData(item);
}
}
//add
FeedCacheList.Add(Data);
SaveFeedData();
}
public void RemoveFeedData(FeedCacheItem Data)
{
FeedCacheList.Remove(Data);
SaveFeedData();
}
void WebClient_RequestNewFeedXml_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
FeedCacheRequestEventArgs eventArg = new FeedCacheRequestEventArgs();
if (e.Error != null)
{
eventArg.Error = e.Error;
}
else
{
XDocument xdoc = XDocument.Parse(e.Result, LoadOptions.None);
//save
FeedCacheItem item = new FeedCacheItem()
{
expireDate = DateTime.Now.Add(TimeSpan.FromSeconds(1)),
url = EncryptUrl((sender as WebClient).Headers["url"])
};
FeedCache.Instance.AddFeedData(item);
WriteXmlFile(item.url, xdoc);
//event_arg
eventArg.Detail = item;
eventArg.XmlData = xdoc;
}
FeedCacheRequestCompleted(eventArg);
}