public static TheEchoNest FindBySongName(this ObjectSet <TheEchoNest> itemSet, String name)
{
if (string.IsNullOrEmpty(name.Trim()))
{
throw new ArgumentException("Searching parameters cannot be null.", "name");
}
var match =
(from item in itemSet
where item.Song.Name == name.ToLower()
select item)
.FirstOrDefault();
if (match != null)
{
return(match);
}
TheEchoNest newEntry = new TheEchoNest()
{
ID = itemSet.GetNextID()
};
itemSet.AddObject(newEntry);
return(newEntry);
}
public void FindBySong(Song song, SongBucket bucket)
{
var result = echo.Query <Search>().Execute(new SearchArgument
{
Title = song.Name,
Artist = song.Artist.Name,
Bucket = bucket
});
if (result.Status.Code != ResponseCode.Success)
{
return;
}
TheEchoNest echosong = database.TheEchoNest.FindBySongName(song.Name);
if (echosong == null)
{
return;
}
var track = result.Songs.FirstOrDefault();
this.UpdateAudioProperties(echosong, track);
echosong.Song = song;
SaveIntoDatabase();
}
private void UpdateAudioProperties(TheEchoNest song, SongBucketItem properties)
{
if (properties != null)
{
song.Tempo = properties.AudioSummary.Tempo;
song.Loudness = properties.AudioSummary.Loudness;
song.Key = properties.AudioSummary.Key;
song.Mode = properties.AudioSummary.Mode;
song.Energy = properties.AudioSummary.Energy;
song.Danceability = properties.AudioSummary.Danceability;
}
}
private void InsertSongs(PlaylistResponse result, string genre)
{
for (int i = 0; i < result.Songs.Count; i++)
{
var track = result.Songs[i];
Song song = database.Song.FindByName(track.Title);
this.UpdateSong(song, track.ArtistName, genre);
TheEchoNest echosong = database.TheEchoNest.FindBySongName(song.Name);
if (echosong == null)
{
continue;
}
this.UpdateAudioProperties(echosong, track);
echosong.Song = song;
SaveIntoDatabase();
}
}