public static SongDataColl ImportPlaylist(string path)
{
SongDataColl cll = null;
// Deserialize an instance of the class
// from an XML file. First create an instance of the
// XmlDictionaryReader.
try
{
FileStream fs = new FileStream(path, FileMode.OpenOrCreate);
XmlDictionaryReader reader =
XmlDictionaryReader.CreateTextReader(fs, new XmlDictionaryReaderQuotas());
// Create the DataContractSerializer instance.
DataContractSerializer ser =
new DataContractSerializer(typeof(SongDataColl));
// Deserialize the data and read it from the instance.
cll = (SongDataColl)ser.ReadObject(reader);
fs.Close();
}
catch (Exception ex)
{
cll = new SongDataColl();
}
return cll;
}
/// <summary>
/// Default constructor
/// </summary>
public PlayListBuilder()
{
InitializeComponent();
_songCollection = LoadPlaylist(@"c:\playlist.xml");
InitializeBindings();
}
/// <summary>
/// Method that will filter the current playlist and return the songs that are acording to the correct BPM Interval
/// </summary>
/// <param name="bpmInterval"> Interval of BPM's allowed in the playlist</param>
/// <returns>Playlist of songs with the beats per minute acording to the passed interval</returns>
private SongDataColl GetSongsWithBPM(BPMInterval bpmInterval)
{
SongDataColl playlist = new SongDataColl();
foreach (var song in _songCollection)
{
if( song.BPM <= bpmInterval.MaxBPM && song.BPM >= bpmInterval.MinBPM )
playlist.Add(song);
}
return playlist;
}