public void RunMediaSearch(string artist, string track)
{
SearchType = string.IsNullOrEmpty(track) ? MediaSearchType.Artist : MediaSearchType.Track;
WebClient client = new WebClient();
client.DownloadStringCompleted += (s, e) =>
{
try
{
if (e.Error == null)
{
byte[] byteArray = Encoding.UTF8.GetBytes(e.Result);
MemoryStream stream = new MemoryStream(byteArray);
XDocument document = XDocument.Load(stream);
XElement root = document.Root;
if (root.Attribute("status").Value == "ok")
{
CreateEntries(root, SearchType);
}
}
}
catch (Exception)
{
//xml parse exceptions. buried intentionally
}
finally
{
InvokeSearchComplete(e);
}
};
client.DownloadStringAsync(new Uri(String.Format(GetRequestTemplate(SearchType), artist, track)));
}
protected string GetRequestTemplate(MediaSearchType type)
{
switch (type)
{
case MediaSearchType.Artist:
var lang = System.Globalization.CultureInfo.CurrentCulture.TwoLetterISOLanguageName;
return
("http://ws.audioscrobbler.com/2.0/?method=artist.getinfo&artist={0}&lang=" + lang + "&autocorrect=1&api_key=dee2df7c96b013246bba7fe491be1f40");
case MediaSearchType.Track:
return
("http://ws.audioscrobbler.com/2.0/?method=track.getinfo&track={1}&artist={0}&autocorrect=1&api_key=dee2df7c96b013246bba7fe491be1f40");
default:
return("Search Type not provided");
}
}
protected void CreateEntries(XElement root, MediaSearchType searchType)
{
var XMLroot = (searchType == MediaSearchType.Artist) ? root.Element("artist") : root.Element("track");
if (XMLroot != null)
{
Entry.Url = GetSafeValue(XMLroot.Element("url"));
Entry.ImageUrl = GetImageUrl(XMLroot, ImageSize.Small);
Entry.LargeImageUrl = GetImageUrl(XMLroot, ImageSize.Large);
Entry.ExtraLargeImageUrl = GetImageUrl(XMLroot, ImageSize.ExtraLarge);
if (searchType == MediaSearchType.Artist)
{
Entry.BandName = GetSafeValue(XMLroot.Element("name"));
var bio = XMLroot.Element("bio");
Entry.Summary = StripAllEscapeSymbols(Unescape(StripTagsCharArray(bio.Element("summary").Value)));
}
}
}
