void UpdatePodcast(Podcast podcast)
{
var r = new Random();
Thread.Sleep(r.Next(3000));
var doc = new XmlDocument();
doc.Load(podcast.SubscriptionUrl);
XmlElement channel = doc["rss"]["channel"];
XmlNodeList items = channel.GetElementsByTagName("item");
podcast.Title = channel["title"].InnerText;
podcast.Link = channel["link"].InnerText;
podcast.Description = channel["description"].InnerText;
if (podcast.Episodes == null)
{
podcast.Episodes = new List <Episode>();
}
foreach (XmlNode item in items)
{
var guid = item["guid"].InnerText;
var episode = podcast.Episodes.FirstOrDefault(e => e.Guid == guid);
if (episode == null)
{
episode = new Episode()
{
Guid = guid, IsNew = true
};
episode.Title = item["title"].InnerText;
episode.PubDate = item["pubDate"].InnerText;
var xmlElement = item["description"];
if (xmlElement != null)
{
episode.Description = xmlElement.InnerText;
}
var element = item["link"];
if (element != null)
{
episode.Link = element.InnerText;
}
var enclosureElement = item["enclosure"];
if (enclosureElement != null)
{
episode.AudioFile = enclosureElement.Attributes["url"].InnerText;
}
podcast.Episodes.Add(episode);
}
}
}
private void OnButtonAddSubscriptionClick(object sender, EventArgs e)
{
var form = new NewPodcastForm();
if (form.ShowDialog() == DialogResult.OK)
{
var pod = new Podcast()
{
SubscriptionUrl = form.PodcastUrl
};
UpdatePodcast(pod);
AddPodcastToTreeView(pod);
}
}
private void OnButtonAddSubscriptionClick(object sender, EventArgs e)
{
var form = new NewPodcastForm();
if (form.ShowDialog() == DialogResult.OK)
{
var pod = new Podcast()
{
SubscriptionUrl = form.PodcastUrl
};
UpdatePodcast(pod);
var index = listBoxPodcasts.Items.Add(pod);
listBoxPodcasts.SelectedIndex = index;
}
}
private void AddPodcastToTreeView(Podcast pod)
{
var podNode = new TreeNode(pod.Title)
{
Tag = pod
};
subscriptionView.treeViewPodcasts.Nodes.Add(podNode);
foreach (var episode in pod.Episodes)
{
podNode.Nodes.Add(new TreeNode(episode.Title)
{
Tag = episode
});
}
}
private void AddPodcastToTreeView(Podcast podcast)
{
var podNode = new TreeNode(podcast.Title)
{
Tag = podcast, Name = podcast.Id.ToString()
};
foreach (var episode in podcast.Episodes)
{
podNode.Nodes.Add(new TreeNode(episode.Title)
{
Tag = episode, Name = episode.Guid
});
}
subscriptionView.AddNode(podNode);
}
public void RemoveSubscription(Podcast podcast)
{
podcasts.Remove(podcast);
}
public void AddSubscription(Podcast podcast)
{
podcasts.Add(podcast);
}
public void SetPodcast(Podcast selectedPodcast)
{
labelTitle.Text = selectedPodcast.Title;
labelEpisodeCount.Text = String.Format("{0} episodes", selectedPodcast.Episodes.Count);
}
internal void SetPodcast(Podcast selectedPodcast)
{
labelTitle.Text = selectedPodcast.Title;
labelEpisodeCount.Text = String.Format($"{selectedPodcast.Episodes.Count} episodes");
}
bool UpdatePodcast(Podcast podcast)
{
var r = new Random();
Thread.Sleep(r.Next(3000));
var doc = new XmlDocument();
doc.Load(podcast.SubscriptionUrl);
XmlElement channel;
if (doc.HasChildNodes && doc.ChildNodes.Cast <XmlNode>().Where(x => x.Name == "rss").Any())
{
channel = doc["rss"]["channel"];
}
else
{
MessageBox.Show("Sorry, the URL is not a podcast feed");
return(false);
}
XmlNodeList items = channel.GetElementsByTagName("item");
podcast.Title = channel["title"].InnerText;
podcast.Link = channel["link"].InnerText;
podcast.Description = channel["description"].InnerText;
if (podcast.Episodes == null)
{
podcast.Episodes = new List <Episode>();
}
foreach (XmlNode item in items)
{
var guid = item["guid"].InnerText;
var episode = podcast.Episodes.FirstOrDefault(e => e.Guid == guid);
if (episode == null)
{
episode = new Episode()
{
Guid = guid, IsNew = true
};
episode.Title = item["title"].InnerText;
episode.PubDate = item["pubDate"].InnerText;
var xmlElement = item["description"];
if (xmlElement != null)
{
episode.Description = xmlElement.InnerText;
}
var element = item["link"];
if (element != null)
{
episode.Link = element.InnerText;
}
var enclosureElement = item["enclosure"];
if (enclosureElement != null)
{
episode.AudioFile = enclosureElement.Attributes["url"].InnerText;
}
podcast.Episodes.Add(episode);
}
}
return(true);
}
