public IEnumerable<NewsInfo> ChurchNews()
{
var feedurl = DbUtil.Db.Setting("ChurchFeedUrl", "");
var feed = DbUtil.Db.RssFeeds.FirstOrDefault(r => r.Url == feedurl);
HttpWebRequest req = null;
try
{
req = WebRequest.Create(feedurl) as HttpWebRequest;
}
catch
{
}
if (feed != null)
{
if (feed.LastModified.HasValue)
{
req.IfModifiedSince = feed.LastModified.Value;
req.Headers.Add("If-None-Match", feed.ETag);
}
}
else
{
feed = new RssFeed();
DbUtil.Db.RssFeeds.InsertOnSubmit(feed);
feed.Url = feedurl;
}
if (req != null)
{
try
{
var resp = req.GetResponse() as HttpWebResponse;
feed.LastModified = resp.LastModified;
feed.ETag = resp.Headers["ETag"];
var sr = new StreamReader(resp.GetResponseStream());
feed.Data = sr.ReadToEnd();
sr.Close();
DbUtil.Db.SubmitChanges();
}
catch (WebException)
{
}
if (feed.Data != null)
{
try
{
var reader = XmlReader.Create(new StringReader(feed.Data));
var f = SyndicationFeed.Load(reader);
var posts = from item in f.Items
let a = item.Authors.FirstOrDefault()
let au = a == null ? "" : a.Name
select new NewsInfo
{
Title = item.Title.Text,
Published = item.PublishDate.DateTime,
Url = item.Links.Single(i => i.RelationshipType == "alternate").GetAbsoluteUri().AbsoluteUri
};
return posts;
}
catch
{
return new NewsInfo[] { };
}
}
}
return new NewsInfo[] { };
}
private static IEnumerable<NewsInfo> GetNewsInfo(string feedurl)
{
var feed = DbUtil.Db.RssFeeds.FirstOrDefault(r => r.Url == feedurl);
if (!feedurl.HasValue())
return new List<NewsInfo>();
var req = WebRequest.Create(feedurl) as HttpWebRequest;
if (feed != null && req != null)
{
if (feed.LastModified.HasValue)
req.IfModifiedSince = feed.LastModified.Value;
}
else
{
feed = new RssFeed();
DbUtil.Db.RssFeeds.InsertOnSubmit(feed);
feed.Url = feedurl;
}
if (req == null)
return new List<NewsInfo>();
try
{
var resp = req.GetHttpResponse();
if (resp == null)
return new List<NewsInfo>();
if (resp.StatusCode != HttpStatusCode.NotModified)
{
feed.LastModified = resp.LastModified;
var rs = resp.GetResponseStream();
if (rs == null)
return new List<NewsInfo>();
var sr = new StreamReader(rs);
feed.Data = sr.ReadToEnd();
sr.Close();
DbUtil.Db.SubmitChanges();
}
}
catch
{
return new List<NewsInfo>();
}
if (feed.Data == null)
return new List<NewsInfo>();
try
{
var reader = XmlReader.Create(new StringReader(feed.Data));
var f = SyndicationFeed.Load(reader);
if (f == null)
return new List<NewsInfo>();
var posts = from item in f.Items
select new NewsInfo
{
Title = item.Title.Text,
Published = item.PublishDate.DateTime,
Url = item.Links.Single(i => i.RelationshipType == "alternate")?.GetAbsoluteUri()?.AbsoluteUri
};
return posts;
}
catch
{
return new List<NewsInfo>();
}
}