/// <summary>
/// Liefert eine Liste mit SonosItems zurück. (Tracks oder Playlisten)
/// </summary>
/// <param name="xmlString"></param>
/// <returns></returns>
public static IList <SonosItem> Parse(string xmlString)
{
var xml = XElement.Parse(xmlString);
XNamespace ns = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
XNamespace dc = "http://purl.org/dc/elements/1.1/";
XNamespace upnp = "urn:schemas-upnp-org:metadata-1-0/upnp/";
XNamespace r = "urn:schemas-rinconnetworks-com:metadata-1-0/";
var items = xml.Elements(ns + "item");
var list = new List <SonosItem>();
foreach (var item in items)
{
var track = new SonosItem
{
Uri = (string)item.Element(ns + "res"),
MetaData = (string)item.Element(r + "resMD"),
StreamContent = (string)item.Element(r + "streamContent"),
AlbumArtURI = (string)item.Element(upnp + "albumArtURI"),
ClassType = (string)item.Element(upnp + "class"),
Album = (string)item.Element(upnp + "album"),
Artist = (string)item.Element(dc + "creator"),
Title = (string)item.Element(dc + "title"),
Description = (string)item.Element(r + "description"),
ParentID = item.FirstAttribute.NextAttribute.Value,
ItemID = item.FirstAttribute.Value
};
if (string.IsNullOrEmpty(track.MetaData))
{
//Wenn die Metadata nicht befüllt sind, werden diese selber gebaut
string meta = "<DIDL-Lite xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:upnp=\"urn:schemas-upnp-org:metadata-1-0/upnp/\" xmlns:r=\"urn:schemas-rinconnetworks-com:metadata-1-0/\" xmlns=\"urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/\"><item id=\"" + track.ItemID + "\" parentID=\"" + track.ParentID + "\" restricted=\"true\"><dc:title>" + track.Title + "</dc:title><upnp:class>object.item.audioItem.musicTrack</upnp:class><desc id=\"cdudn\" nameSpace=\"urn:schemas-rinconnetworks-com:metadata-1-0/\">RINCON_AssociatedZPUDN</desc></item></DIDL-Lite>";
track.MetaData = meta;
}
list.Add(track);
}
//Playlisten sind nicht item sondern Container
if (list.Count == 0)
{
items = xml.Elements(ns + "container");
foreach (var item in items)
{
var track = new SonosItem();
track.Uri = (string)item.Element(ns + "res");
track.Title = (string)item.Element(dc + "title");
track.AlbumArtURI = (string)item.Element(upnp + "albumArtURI");
track.ClassType = (string)item.Element(upnp + "class");
track.ContainerID = item.FirstAttribute.Value;
track.ParentID = item.FirstAttribute.NextAttribute.Value;
list.Add(track);
}
if (list.Count == 1)
{
//wenn nur ein Eintrag, dann ist die übergebene variable auch der Metadata eintrag
list[0].MetaData = xmlString;
}
}
return(list);
}
/// <summary>
/// Konstruktor mit komplettem SonosItem
/// </summary>
/// <param name="_tr"></param>
public SonosItem(SonosItem _tr)
{
Uri = _tr.Uri;
MetaData = _tr.MetaData;
Title = _tr.Title;
AlbumArtURI = _tr.AlbumArtURI;
Artist = _tr.Artist;
Album = _tr.Album;
Description = _tr.Description;
ContainerID = _tr.ContainerID;
ParentID = _tr.ParentID;
ItemID = _tr.ItemID;
Stream = _tr.Stream;
StreamContent = _tr.StreamContent;
ClassType = _tr.ClassType;
}
/// <summary>
/// Ermittelt aus dem DIDL XML ein SonosItem
/// </summary>
/// <param name="xmlString"></param>
/// <returns></returns>
public static SonosItem ParseSingleItem(string xmlString)
{
if (!string.IsNullOrEmpty(xmlString))
{
var xml = XElement.Parse(xmlString);
XNamespace ns = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
XNamespace dc = "http://purl.org/dc/elements/1.1/";
XNamespace upnp = "urn:schemas-upnp-org:metadata-1-0/upnp/";
XNamespace r = "urn:schemas-rinconnetworks-com:metadata-1-0/";
var items = xml.Elements(ns + "item");
var list = new List <SonosItem>();
foreach (var item in items)
{
var track = new SonosItem();
track.Uri = (string)item.Element(ns + "res");
track.MetaData = (string)item.Element(r + "resMD");
var taau = (string)item.Element(upnp + "albumArtURI");
track.AlbumArtURI = String.IsNullOrEmpty(taau) ?String.Empty : taau;
track.ClassType = (string)item.Element(upnp + "class");
var tal = (string)item.Element(upnp + "album");
track.Album = String.IsNullOrEmpty(tal) ? String.Empty : tal;
var tar = (string)item.Element(dc + "creator");
track.Artist = String.IsNullOrEmpty(tar) ? String.Empty : tar;
//Title | Wenn Streamcontent vorhanden, dann wird radio abgespielt und der Titel ist falsch.
track.StreamContent = (string)item.Element(r + "streamContent");
string tti = (string)item.Element(dc + "title");
track.Title = String.IsNullOrEmpty(tti) ? String.Empty : tti;
track.Description = (string)item.Element(r + "description");
if (track.ItemID == null || track.ParentID == null)
{
foreach (XAttribute itemAttri in item.Attributes())
{
if (track.ItemID == null)
{
if (itemAttri.Name == "id")
{
track.ItemID = itemAttri.Value;
}
}
if (track.ParentID == null)
{
if (itemAttri.Name == "parentID")
{
track.ParentID = itemAttri.Value;
}
}
if (track.ItemID != null && track.ParentID != null)
{
break;
}
}
}
list.Add(new SonosItem(track));
}
return(list[0]);
}
return(new SonosItem());
}
