private XElement FeedXml(Feed feed)
{
return new XElement("Feed",
new XAttribute("Name", feed.Name),
new XAttribute("Url", feed.Url),
new XAttribute("LastCheckInfo", feed.LastCheckInfo),
feed.DownloadedGuids.Where(guid => !string.IsNullOrWhiteSpace(guid)).Select(guid => new XElement("DownloadedGuid", guid))
);
}
public void Given_a_feed_with_no_new_items_should_not_download()
{
var rssUri = new Uri("protocol://host/uri.rss");
Feed.Downloader = (u, cb) =>
{
if (u == rssUri)
cb(false, null, @"<?xml version=""1.0"" encoding=""UTF-8""?>
<rss xmlns:itunes=""http://www.itunes.com/dtds/podcast-1.0.dtd"" xmlns:atom=""http://www.w3.org/2005/Atom"" version=""2.0"">
<channel>
<title>My New Feed</title>
<item>
<title>Whistle</title>
<guid isPermaLink=""true"">item1</guid>
<enclosure url=""http://blockedcontent/whistle.mp3"" type=""audio/mp3"" />
</item>
</channel>
</rss>");
};
var feed = new Feed { Name = "test", DownloadedGuids = new[] { "item1" }, Url = rssUri };
var newItemsToDownload = feed.GetNewItemsInFeed();
Assert.AreEqual(0, newItemsToDownload.Count());
}
public void Given_a_feed_with_two_new_items_should_download()
{
var rssUri = new Uri("protocol://host/uri.rss");
Feed.Downloader = (u, cb) =>
{
if (u == rssUri)
cb(false, null, @"<?xml version=""1.0"" encoding=""UTF-8""?>
<rss xmlns:itunes=""http://www.itunes.com/dtds/podcast-1.0.dtd"" xmlns:atom=""http://www.w3.org/2005/Atom"" version=""2.0"">
<channel>
<title>My New Feed</title>
<item>
<title>Whistle</title>
<guid isPermaLink=""true"">item1</guid>
<enclosure url=""http://blockedcontent/whistle.mp3"" type=""audio/mp3"" />
</item>
<item>
<title>Shout</title>
<guid isPermaLink=""true"">item2</guid>
<enclosure url=""http://blockedcontent/shout.mp3"" type=""audio/mp3"" />
</item>
<item>
<title>Hello</title>
<guid isPermaLink=""true"">item3</guid>
<enclosure url=""http://blockedcontent/hello.mp3"" type=""audio/mp3"" />
</item>
</channel>
</rss>");
};
var feed = new Feed { Name = "test", DownloadedGuids = new[] { "item1" }, Url = rssUri };
var newItemsToDownload = feed.GetNewItemsInFeed();
Assert.AreEqual(2, newItemsToDownload.Count());
var feedItem = newItemsToDownload.FirstOrDefault(fi => fi.Guid == "item2");
Assert.IsNotNull(feedItem);
Assert.AreEqual("Shout", feedItem.Title);
Assert.AreEqual("http://blockedcontent/shout.mp3", feedItem.EnclosureUrl.ToString());
feedItem = newItemsToDownload.FirstOrDefault(fi => fi.Guid == "item3");
Assert.IsNotNull(feedItem);
Assert.AreEqual("Hello", feedItem.Title);
Assert.AreEqual("http://blockedcontent/hello.mp3", feedItem.EnclosureUrl.ToString());
}
public void DeleteFeedItem(Feed item)
{
feedRepository.Delete(item);
}
public void DeleteFeedItem(Feed item)
{
feedRepository.Delete(item);
}
private Feed Load(XElement feed)
{
var item = new Feed
{
Name = feed.Attribute("Name").Value,
Url = new Uri(feed.Attribute("Url").Value),
LastCheckInfo = feed.Attribute("LastCheckInfo").Value,
DownloadedGuids = feed.Elements("DownloadedGuid").Select(e => e.Value).ToArray()
};
return item;
}
public void Update(Feed feed)
{
Save();
feeds.RaiseCollectionChanged();
}
public void Delete(Feed item)
{
feeds.Remove(item);
Save();
}