private void Button_Click(object sender, RoutedEventArgs e)
{
var api = ((App)App.Current).Api;
api.CatalogUpdateCompleted += new EventHandler<EchoNestApiEventArgs>(api_CatalogUpdateCompleted);
var songsActions = new List<CatalogAction<BMSong>>();
using (var mediaLib = new MediaLibrary())
{
foreach (var song in mediaLib.Songs)
{
var catalogAction = new CatalogAction<BMSong>();
catalogAction.Action = CatalogAction<BMSong>.ActionType.update;
catalogAction.Item = new BMSong
{
ItemId = Guid.NewGuid().ToString("D"),
ArtistName = song.Artist.Name,
SongName = song.Name,
};
songsActions.Add(catalogAction);
}
}
var catalog = new Catalog();
catalog.Id = catalogId.Text;
catalog.SongActions = songsActions;
api.CatalogUpdateAsync(catalog, null, null);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
EchoNestApi api = ((App)App.Current).Api;
api.CatalogUpdateCompleted += new EventHandler<EchoNestApiEventArgs>(api_CatalogUpdateCompleted);
Catalog cat = new Catalog
{
Id = catalogId.Text,
SongActions = new List<CatalogAction<Song>> {
new CatalogAction<Song>{
Item = new Song{
ItemId = catalogId.Text + title.Text,
SongName = title.Text,
ArtistName = artist.Text
}
}
}
};
api.CatalogUpdateAsync(cat, null, null);
}
private void StoreDownloadedSongs(Catalog cat)
{
logger.Debug("Downloaded {0} songs", cat.Items.Count);
var analyzedSongs = cat.Items.
Select<Song, AnalyzedSong>(s => new AnalyzedSong
{
ItemId = s.Request.ItemId,
ArtistName = s.ArtistName ?? s.Request.ArtistName,
SongName = s.SongName ?? s.Request.SongName,
AudioSummary = s.AudioSummary != null ?
new AnalyzedSong.Summary
{
Tempo = s.AudioSummary.Tempo,
ItemId = s.Request.ItemId
} : null
}).
Where<AnalyzedSong>(s =>
{
bool matches = SongsToAnalyzeIds.Contains(s.ItemId);
if (matches)
{
logger.Trace("Song '{0}' matches a song we're looking for", s);
}
return matches;
});
int analyzedCount = analyzedSongs.Count();
logger.Debug("Matched {0} songs", analyzedCount);
if (analyzedCount > 0)
{
using (BeatMachineDataContext context = new BeatMachineDataContext(
BeatMachineDataContext.DBConnectionString))
{
context.AnalyzedSongs.InsertAllOnSubmit(analyzedSongs);
context.SubmitChanges();
}
logger.Debug("Stored all matches to database");
foreach (AnalyzedSong s in analyzedSongs)
{
SongsToAnalyze.Remove(
SongsToAnalyze.Where(x => String.Equals(x.ItemId, s.ItemId)).First());
SongsToAnalyzeIds.Remove(s.ItemId);
}
logger.Debug("Removed matches from list of songs to analyze");
NewSongsAdded = true;
}
}
/// <summary>
/// Updates a catalog as documented here
/// http://developer.echonest.com/docs/v4/catalog.html#update
/// </summary>
/// <param name="cat">Catalog to update, which should have at least the
/// Id set, as well as either the SongActions or ArtistActions
/// properties. An update can either include songs or artists, but not
/// both, so one of these two has to be either null or contain 0
/// members.</param>
/// <param name="parameters">See link for list of parameters</param>
public void CatalogUpdateAsync(Catalog cat,
Dictionary<string, string> parameters, object state)
{
InitializeParameters(ref parameters);
parameters["id"] = cat.Id;
parameters["data_type"] = "json";
// TODO Add support for artist catalogs
SendHttpRequest(EchoNestPaths.CatalogUpdate, parameters,
cat.SongActions, state);
}
