private void InsertIntoCollection(PodcastItemModel Item, ObservableCollection<PodcastItemModel> Collection)
{
foreach (PodcastItemModel i in Collection)
{
if (i.EnclosureUrl == Item.EnclosureUrl)
{
Collection.Remove(i);
break;
}
}
Collection.Insert(0, Item);
}
void DownloadPodcastInformationCompleted(object sender, DownloadStringCompletedEventArgs e)
{
LoadEventArgs loadedEventArgs = new LoadEventArgs();
try
{
var doc = XDocument.Parse(e.Result);
var xChannel = doc.Descendants("channel").First();
PodcastInformation.Title = getElementValue(xChannel, "title");
PodcastInformation.Description = getElementValue(xChannel, "description");
PodcastInformation.Copyright = getElementValue(xChannel, "copyright");
PodcastInformation.Rating = getElementValue(xChannel, "rating");
PodcastInformation.WebMaster = getElementValue(xChannel, "webMaster");
PodcastInformation.Link = getElementValue(xChannel, "link");
PodcastInformation.Language = getElementValue(xChannel, "language");
PodcastInformation.ManagingDirector = getElementValue(xChannel, "managingEditor");
PodcastInformation.ImageUrl = Coalesce(Settings.DefaulImage, getElementValue(xChannel, ITUNES + "image", "href")).ToString();
foreach (var item in xChannel.Descendants("item"))
{
PodcastItemModel pim = new PodcastItemModel()
{
Title = getElementValue(item, "title").Trim(),
Link = getElementValue(item, "link"),
Date = RssHelper.ParseRssDate(getElementValue(item, "pubDate")),
Description = StripHtmlTags(getElementValue(item, "description")).Trim(),
EnclosureUrl = getElementValue(item, "enclosure", "url"),
SourceUrl = getElementValue(item, "link"),
ImageUrl = Coalesce(
ParseImageFromDescription(getElementValue(item, "description")),
getElementValue(item, ITUNES + "image", "href"),
PodcastInformation.ImageUrl,
Settings.DefaulImage
).ToString(),
};
// ensure that there is an enclosure. No enclosure == no podcast media :(
if (pim.EnclosureUrl.Length == 0)
{
pim.EnclosureUrl = "no media available";
}
// finally, add the item to the collection
PodcastInformation.Items.Add(pim);
}
loadedEventArgs.IsLoaded = true;
loadedEventArgs.Message = "";
}
catch (Exception ex)
{
loadedEventArgs.IsLoaded = false;
loadedEventArgs.Message = "unable to load data";
}
finally
{
OnPodcastInfoLoaded(loadedEventArgs);
}
}
