internal static List <Episode> ParseRssFeed(IInputStream stream, Feed parent)
{
List <Episode> results = new List <Episode>();
XNamespace ns = "http://purl.org/rss/1.0/";
XNamespace mrss = "http://search.yahoo.com/mrss/";
XNamespace itunes = "http://www.itunes.com/dtds/podcast-1.0.dtd";
var media = mrss.GetName("media");
XDocument xdoc = XDocument.Load(stream.AsStreamForRead());
var items = xdoc.Descendants("item");
foreach (var item in items)
{
string thumbUri = string.Empty;
XAttribute mediadownload;
var pubDateStr = item.Element("pubDate")?.Value;
DateTimeOffset pubDate = DateTimeOffset.MinValue;
if (!string.IsNullOrEmpty(pubDateStr))
{
pubDate = DateTimeHelper.ParseDateTimeRFC822(pubDateStr);
}
var durationStr = item.Element(itunes + "duration")?.Value;
TimeSpan duration = TimeSpan.MinValue;
if (!string.IsNullOrEmpty(durationStr) && durationStr.Contains(":"))
{
duration = TimeSpan.Parse(durationStr);
}
#pragma warning disable SA1108 // Block statements must not contain embedded comments
else if (!string.IsNullOrEmpty(durationStr) && !durationStr.Contains(":")) // channel9
#pragma warning restore SA1108 // Block statements must not contain embedded comments
{
duration = TimeSpan.FromSeconds(Convert.ToInt32(durationStr));
}
var subtitleStr = item.Element(itunes + "subtitle")?.Value;
if (string.IsNullOrEmpty(subtitleStr))
{
var cats = item.Elements("category");
if (cats != null && cats.Count() > 0)
{
StringBuilder sb = new StringBuilder();
cats.ToList().ForEach(f => { sb.Append($"{f.Value} "); });
subtitleStr = sb.ToString();
}
}
var desc = item.Element("description");
var content = item.Elements(mrss + "content").FirstOrDefault();
if (content != null)
{
mediadownload = content.Attribute("url");
var thumbnailElement = content.Element(mrss + "thumbnail");
if (thumbnailElement != null)
{
var thumbnail = thumbnailElement.Attribute("url");
thumbUri = thumbnail.Value;
}
}
else
{
var thumbnailElements = item.Elements(mrss + "thumbnail");
XElement thumbElement = null;
if (thumbnailElements.Count() >= 4)
{
thumbElement = thumbnailElements.ElementAt(3);
}
else if (thumbnailElements.Count() >= 1)
{
thumbElement = thumbnailElements.ElementAt(0);
}
if (thumbElement != null)
{
thumbUri = thumbElement.Attribute("url").Value;
}
var mediaGroup = item.Elements(mrss + "group");
var mediaUriElements = mediaGroup.Elements(mrss + "content");
XElement mediaUriElement = null;
if (mediaUriElements.Count() >= 4)
{
mediaUriElement = mediaUriElements.ElementAt(3);
}
if (mediaUriElements.Count() == 1)
{
mediaUriElement = mediaUriElements.ElementAt(0);
}
mediadownload = mediaUriElement?.Attribute("url");
}
if (mediadownload == null)
{
var mediadownloadElements = item.Element("enclosure");
mediadownload = mediadownloadElements?.Attribute("url");
}
if (mediadownload != null)
{
var feed = new Episode(
title: item.Element("title").Value,
description: desc.Value,
key: mediadownload.Value,
itemThumbnail: thumbUri,
feed: parent,
publishDate: pubDate,
duration: duration,
subtitle: subtitleStr);
results.Add(feed);
}
else
{
Debug.WriteLine($"Skipping");
}
}
return(results);
}
public double GetPercentDouble(Episode e)
{
return((ListenProgress / e.Duration.TotalMilliseconds) * 100);
}
public string GetPercent(Episode e)
{
return($"{(int)((ListenProgress / e.Duration.TotalMilliseconds) * 100)}%");
}
public EpisodePlaybackState(Episode episode)
{
this.Id = Guid.NewGuid();
this.EpisodeKey = episode?.Key;
}