/* Gating RSS Feed in dataview . */
public static DataView GetLastestFeeds()
{
Int16 nTopX = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfDaysForFeeds"].ToString());
Int16 NoOfFeedsPerDay = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsPerDay"].ToString());
Int16 NoOfFeedsLatest = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsLatest"].ToString());
DataView dv = new DataView();
if( HttpRuntime.Cache[CacheKey + "RssFeeds"]!= null)
{
/* If it is in cache then return from cache */
dv = (DataView)HttpRuntime.Cache[CacheKey + "RssFeeds"];
return dv;
}
else
{
/* Else get data from database and aggregate RSS using opml & then add into cache. */
OpmlService opml = new OpmlService();
Dictionary<DateTime, List<DataRowView>> _readerItems = new Dictionary<DateTime, List<DataRowView>>();
/* Build opml xml to load rss from */
string strOpmlXml = opml.BuildOPML(nTopX);
strOpmlXml = strOpmlXml.Replace("version=\"1.1\"", "version='1.1'");
/* Load RSS from opml xml */
RssToolkit.Rss.RssDocument RSS = RssToolkit.Rss.RssDocument.Load(strOpmlXml);
if (RSS.Channel.Items.Count > 0)
{
IEnumerable items = RSS.SelectItems();
DataView dvItems = (DataView)items;
/* sort data in data view by pubDateParsed */
dvItems.Sort = "pubDateParsed DESC";
/* Add data view in cache with expiration after 1 hour. */
HttpRuntime.Cache.Add(CacheKey + "RssFeeds", (object)dvItems, null, DateTime.Now.AddHours(1), Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
}
/* Return data view containing Rss Feeds */
return dv;
}
}
public static DataView GetLastestFeeds()
{
Int16 nTopX = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfDaysForFeeds"].ToString());
Int16 NoOfFeedsPerDay = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsPerDay"].ToString());
Int16 NoOfFeedsLatest = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsLatest"].ToString());
DataView dv = new DataView();
if( HttpRuntime.Cache["RssFeeds"]!= null)
{
/* If it is in cache then return from cache */
dv = (DataView)HttpRuntime.Cache["RssFeeds"];
return dv;
}
else
{
/* Else get data from database and aggregate RSS using opml & then add into cache. */
OpmlService opml = new OpmlService();
Dictionary<DateTime, List<DataRowView>> _readerItems = new Dictionary<DateTime, List<DataRowView>>();
/* Build opml xml to load rss from */
string strOpmlXml = opml.BuildOPML(nTopX);
strOpmlXml = strOpmlXml.Replace("version=\"1.1\"", "version='1.1'");
/* Load RSS from opml xml */
RssDocument RSS = RssDocument.Load(strOpmlXml);
if (RSS.Channel.Items.Count > 0)
{
IEnumerable items = RSS.SelectItems();
DataView dvItems = (DataView)items;
dvItems.Sort = "pubDateParsed DESC";
HttpRuntime.Cache.Add("RssFeeds", (object)dvItems, null, DateTime.Now.AddMinutes(5), Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
//foreach (DataRowView view in dvItems)
//{
// DateTime date = DateTime.Parse(view["pubDateParsed"].ToString());
// if (_readerItems.ContainsKey(date.Date))
// _readerItems[Convert.ToDateTime(date.ToShortDateString())].Add(view);
// else
// {
// List<DataRowView> list = new List<DataRowView>();
// list.Add(view);
// _readerItems.Add(date.Date, list);
// }
// if (_readerItems.Count >= nTopX)
// break;
// else
// nCurrent++;
//}
}
return dv;
//return (DataView)c.Get("RssFeeds");
}
}
public static Dictionary<DateTime, List<SyndicationInfo>> GetLastestFeedsDictionary()
{
Dictionary<DateTime, List<SyndicationInfo>> _syndicationInfoDictionary = new Dictionary<DateTime, List<SyndicationInfo>>();
List<SyndicationInfo> list;
Int16 nTopX = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfDaysForFeeds"].ToString());
Int16 NoOfFeedsPerDay = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsPerDay"].ToString());
Int16 NoOfFeedsLatest = Convert.ToInt16(WebConfigurationManager.AppSettings["NoOfFeedsLatest"].ToString());
int nCurrent = 0;
if (HttpRuntime.Cache[CacheKey + "RssFeedsDictionary"] != null)
{
/* If it is in cache then return from cache */
_syndicationInfoDictionary = (Dictionary<DateTime, List<SyndicationInfo>>)HttpRuntime.Cache[CacheKey + "RssFeedsDictionary"];
return _syndicationInfoDictionary;
}
else
{
/* Else get data from database and aggregate RSS using opml & then add into cache. */
OpmlService opml = new OpmlService();
/* Build opml xml to load rss from */
string strOpmlXml = opml.BuildOPML(nTopX);
strOpmlXml = strOpmlXml.Replace("version=\"1.1\"", "version='1.1'");
/* Load RSS from opml xml */
try
{
RssToolkit.Rss.RssDocument RSS = RssToolkit.Rss.RssDocument.Load(strOpmlXml);
if (RSS.Channel.Items.Count > 0)
{
IEnumerable items = RSS.SelectItems();
DataView dvItems = (DataView)items;
/* sort data in data view by pubDateParsed */
dvItems.Sort = "pubDateParsed DESC";
/* Add data view in data dictionary */
foreach (DataRowView view in dvItems)
{
DateTime date = DateTime.Parse(view["pubDateParsed"].ToString());
if (!_syndicationInfoDictionary.ContainsKey(date.Date))
{
list = GetFilteredSyndicationList(date.Date, view.DataView.Table);
_syndicationInfoDictionary.Add(date.Date, list);
}
}
/* Add dictionary in cache with expiration after 1 hour. */
HttpRuntime.Cache.Add(CacheKey + "RssFeedsDictionary", (object)_syndicationInfoDictionary, null, DateTime.Now.AddHours(1), Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
}
}
catch (Exception)
{
//
}
return _syndicationInfoDictionary;
}
}
