public async Task <IEnumerable <FeedItem> > UpdateFeedAsync(Feed feed)
{
var list = new List <FeedItem>();
switch (feed.FeedType)
{
case FeedType.Rss:
var rss = RssFeed.Create(new Uri(feed.Address));
foreach (var item in rss.Channel.Items)
{
list.Add(new FeedItem(item));
}
break;
case FeedType.Atom:
var atom = AtomFeed.Create(new Uri(feed.Address));
foreach (var entry in atom.Entries)
{
list.Add(new FeedItem(entry));
}
break;
default:
var unknown = GenericSyndicationFeed.Create(new Uri(feed.Address));
foreach (var item in unknown.Items)
{
list.Add(new FeedItem(item));
}
break;
}
return(list);
}
/// <summary>
/// Provides example code for the FeedHistorySyndicationExtension class.
/// </summary>
public static void ClassExample()
{
// Framework auto-discovers supported extensions based on XML namespace attributes (xmlns) defined on root of resource
RssFeed feed = RssFeed.Create(new Uri("http://www.example.com/feed.aspx?format=rss"));
// Extensible framework entities provide properties/methods to determine if entity is extended and predicate based seaching against available extensions
if (feed.Channel.HasExtensions)
{
FeedHistorySyndicationExtension channelExtension = feed.Channel.FindExtension(FeedHistorySyndicationExtension.MatchByType) as FeedHistorySyndicationExtension;
if (channelExtension != null)
{
// Process channel extension
}
}
foreach (RssItem item in feed.Channel.Items)
{
if (item.HasExtensions)
{
FeedHistorySyndicationExtension itemExtension = item.FindExtension(FeedHistorySyndicationExtension.MatchByType) as FeedHistorySyndicationExtension;
if (itemExtension != null)
{
// Process extension for current item
}
}
}
// By default the framework will automatically determine what XML namespace attributes (xmlns) to write
// on the root of the resource based on the extensions applied to extensible parent and child entities
using (FileStream stream = new FileStream("Feed.xml", FileMode.Create, FileAccess.Write))
{
feed.Save(stream);
}
}
/// <summary>
/// Provides example code for the RssFeed.Create(Uri) method
/// </summary>
public static void CreateExample()
{
RssFeed feed = RssFeed.Create(new Uri("http://news.google.com/?output=rss"));
foreach (RssItem item in feed.Channel.Items)
{
if (item.PublicationDate >= DateTime.Today.Subtract(new TimeSpan(7, 0, 0, 0)))
{
// Process channel items published in the last week
}
}
}
public Feed GetFeed(Feed feed)
{
switch (feed.FeedType)
{
case FeedType.Rss:
var rss = RssFeed.Create(new Uri(feed.Address));
return(new Feed(rss));
case FeedType.Atom:
var atom = AtomFeed.Create(new Uri(feed.Address));
return(new Feed(atom));
default:
var unknown = GenericSyndicationFeed.Create(new Uri(feed.Address));
return(new Feed(unknown));
}
}
static void Main(string[] args)
{
try
{
RssFeed feed = RssFeed.Create(new Uri("http://kat.ph/movies/?rss=1"));
var nItems = feed.Channel.Items.Count();
foreach (RssItem item in feed.Channel.Items)
{
Console.WriteLine("{0} {1}", item.Title, item.Description);
}
Console.ReadLine();
}
catch (Exception ex)
{
throw;
}
}
/// <summary>
/// Provides example code for the SyndicationDiscoveryUtility.LocateDiscoverableSyndicationEndpoints(Uri) method
/// </summary>
public static void LocateDiscoverableSyndicationEndpointsExample()
{
Uri source = new Uri("http://www.dotnetrocks.com/");
Collection <DiscoverableSyndicationEndpoint> endpoints;
endpoints = SyndicationDiscoveryUtility.LocateDiscoverableSyndicationEndpoints(source);
foreach (DiscoverableSyndicationEndpoint endpoint in endpoints)
{
if (endpoint.ContentFormat == SyndicationContentFormat.Rss)
{
RssFeed feed = RssFeed.Create(endpoint.Source);
if (feed.Channel.HasExtensions)
{
// Process feed extensions
}
}
}
}
public static IEnumerable <TitleAndUrl> BuildTitleAndUrls(Opml opml)
{
var titleAndUrls = new List <TitleAndUrl>();
foreach (var opmlOutline in opml.Outlines)
{
var titleAndUrl = new TitleAndUrl();
titleAndUrls.Add(titleAndUrl);
titleAndUrl.Podcasts = new List <Podcast>();
if (opmlOutline.Attributes.ContainsKey(TitleAttribute))
{
titleAndUrl.Title = opmlOutline.Attributes[TitleAttribute];
}
if (!opmlOutline.Attributes.ContainsKey(XmlUrlAttribute))
{
continue;
}
titleAndUrl.Url = new Uri(opmlOutline.Attributes[XmlUrlAttribute]);
if (titleAndUrl.Title != null)
{
continue;
}
var settings = new SyndicationResourceLoadSettings();
var feed = RssFeed.Create(titleAndUrl.Url, settings);
foreach (var item in feed.Channel.Items)
{
var podcast = new Podcast();
podcast.Title = item.Title;
podcast.Url = item.Link;
titleAndUrl.Podcasts.Add(podcast);
}
}
return(titleAndUrls);
}
private void LoadListView()
{
var feed = RssFeed.Create(new Uri(@"http://alt.rutor.info/rss.php?full=8"));
foreach (RssItem post in feed.Channel.Items)
{
var doc = new HtmlAgilityPack.HtmlDocument();
doc.LoadHtml(post.Description);
var imageUrl = doc.DocumentNode.SelectNodes("//img").First().Attributes["src"].Value;
var image = LoadImage(imageUrl);
//image = ResizeImage(image, 64, 64, true);
_images.Images.Add(post.Link.AbsoluteUri, image);
var item = new ListViewItem(post.Title)
{
Tag = post,
ImageKey = post.Link.AbsoluteUri
};
listView1.Items.Add(item);
}
}
private void RetrieveItems(int feedId)
{
using (var context = DataContext)
{
var item = context.Feeds.FirstOrDefault(m => m.Id == feedId);
var feed = RssFeed.Create(new Uri(item.RssUrl));
foreach (var feedItem in feed.Channel.Items.Where(m => m.PublicationDate > item.LastRetrievedOn))
{
var newItem = new Item()
{
FeedId = feedId,
Description = feedItem.Description,
Author = feedItem.Author,
Categories = string.Join(";", feedItem.Categories.Select(m => m.Value).ToArray <string>()),
Comments = feedItem.Comments.ToString(),
GuidValue = feedItem.Guid.Value,
Link = feedItem.Link.ToString(),
PublicationDate = feedItem.PublicationDate,
SourceTitle = feedItem.Source.Title,
SourceUrl = feedItem.Source.Url.ToString(),
Title = feedItem.Title
};
context.Items.Add(newItem);
}
item.Title = feed.Channel.Title;
item.Format = feed.Format.ToString();
item.Version = feed.Version.ToString();
item.Webmaster = feed.Channel.Webmaster;
item.Description = feed.Channel.Description;
item.Copyright = feed.Channel.Copyright;
item.LastRetrievedOn = DateTime.Now;
context.SaveChanges();
}
}
private void GetRss()
{
try
{
var ccDal = new DataAccess.Data();
var feeds = ccDal.GetActiveFeeds();
foreach (var feedrow in feeds)
{
if (!feedrow.FeedActive)
{
continue;
}
var feed = RssFeed.Create(new Uri(feedrow.FeedRssLink));
if (feed.Channel.HasExtensions)
{
feed.Channel.FindExtension(DublinCoreElementSetSyndicationExtension.MatchByType);
}
foreach (var item in feed.Channel.Items)
{
if (item.HasExtensions)
{
var dcExt = item.FindExtension(DublinCoreElementSetSyndicationExtension.MatchByType) as
DublinCoreElementSetSyndicationExtension;
if (dcExt != null)
{
ccDal.InsertRawData(dcExt.Context.Date.ToLocalTime(), item.Link.AbsoluteUri, WebUtility.HtmlDecode(item.Title), WebUtility.HtmlDecode(item.Description), feedrow.Id);
}
}
}
}
}
catch (Exception ex)
{
logger.Error(ex.Message);
}
}
private static IEnumerable <ItemDownload> ProcurarEpisodiosNosFeeds()
{
var lstEpisodiosParaBaixar = new List <ItemDownload>();
var feedsService = App.Container.Resolve <FeedsService>();
var qualidadeDownloadService = App.Container.Resolve <QualidadeDownloadService>();
IEnumerable <Feed> lstFeeds = feedsService.GetLista()
.Where(x => !x.bIsFeedPesquisa &&
(x.nIdTipoConteudo == Enums.TipoConteudo.Série || x.nIdTipoConteudo == Enums.TipoConteudo.Anime))
.OrderBy(x => x.nNrPrioridade);
IEnumerable <QualidadeDownload> lstQualidadeDownloads = qualidadeDownloadService.GetLista().OrderBy(x => x.nPrioridade);
var rgxQualidade = new Regex($".*?({string.Join("|", lstQualidadeDownloads.Select(x => x.sIdentificadoresQualidade))})");
foreach (Feed item in lstFeeds)
{
RssFeed rss;
try
{
rss = RssFeed.Create(new Uri(item.sLkFeed));
}
catch (Exception ex)
{
new MediaManagerException(ex).TratarException(string.Format(Mensagens.Ocorreu_um_erro_ao_abrir_o_feed_0_URL_1_, item.sDsFeed, item.sLkFeed));
continue;
}
foreach (RssItem objRssItem in rss.Channel.Items)
{
try
{
var episodio = new Episodio {
sDsFilepath = objRssItem.Title
};
string extensao = Path.GetExtension(Helper.RetirarCaracteresInvalidos(objRssItem.Title));
if (!episodio.IdentificarEpisodio() ||
episodio.nIdTipoConteudo != item.nIdTipoConteudo ||
episodio.nIdEstadoEpisodio != Enums.EstadoEpisodio.Desejado ||
episodio.oSerie.bIsParado ||
(!string.IsNullOrWhiteSpace(extensao) && !Settings.Default.ExtensoesRenomeioPermitidas.Contains(extensao)))
{
continue;
}
string strIdentificador = rgxQualidade.Match(objRssItem.Title).Groups[1].Value;
// Verifica se é vazio/null para atribuir a qualidade "Desconhecido".
QualidadeDownload objQualidadeDownload = !string.IsNullOrWhiteSpace(strIdentificador)
? lstQualidadeDownloads.FirstOrDefault(x => x.sIdentificadoresQualidade.Split('|').Any(y => y == strIdentificador))
: lstQualidadeDownloads.First(x => x.nCdQualidadeDownload == 1);
if (lstEpisodiosParaBaixar.Any(x => x.ObjEpisodio.nCdEpisodioAPI == episodio.nCdEpisodioAPI))
{
lstEpisodiosParaBaixar.First(x => x.ObjEpisodio.nCdEpisodioAPI == episodio.nCdEpisodioAPI).LstObjRssItem.Add(objRssItem, objQualidadeDownload);
}
else
{
lstEpisodiosParaBaixar.Add(new ItemDownload {
ObjEpisodio = episodio, LstObjRssItem = new Dictionary <RssItem, QualidadeDownload> {
{ objRssItem, objQualidadeDownload }
}
});
}
}
catch (Exception e)
{
new MediaManagerException(e).TratarException(string.Format(Mensagens.Ocorreu_um_erro_ao_procurar_o_item_0_do_feed_RSS_1_, objRssItem.Title, item.sDsFeed));
}
}
}
return(lstEpisodiosParaBaixar);
}
