public void AddTrack(TrackObject trackObject)
{
if (!Tracks.Contains(trackObject))
{
Tracks.Add(trackObject);
}
}
public void RemoveTrack(TrackObject trackObject)
{
if (Tracks.Contains(trackObject))
{
Tracks.Remove(trackObject);
}
}
/// <summary>
/// Удаление трека
/// </summary>
public void RemoveTrack(RocksmithTrack track)
{
if (!Tracks.Contains(track))
{
return;
}
Tracks.Remove(track);
TrackRemoveEvent?.Invoke(new TrackEventArgs {
Track = track
});
// После удаления из очереди проверяем треки, которые можно добавить из отложенных
RocksmithTrack addTrack = DeferredTracks.FirstOrDefault(t => Tracks.Count(tt => tt.User == t.User) < userLimit);
if (addTrack != null)
{
DeferredTracks.Remove(addTrack);
Tracks.Add(addTrack);
TrackAddEvent?.Invoke(new TrackEventArgs {
Track = addTrack
});
}
// Сохранение очередей в файл
Save();
}
public virtual void ExtendToTrack(Track fromTrack, Track toTrack, GuiLabs.Undo.ActionManager am = null)
{
if (Tracks.Contains(toTrack))
{
throw new InvalidOperationException("block is already part of track");
}
//Tracks.Add(toTrack);
am.RecordAdd(Tracks, toTrack);
}
public virtual bool RemoveFromTrack(Track track, GuiLabs.Undo.ActionManager am = null)
{
if (Tracks.Count <= 1)
{
return(false);
}
if (!Tracks.Contains(track))
{
throw new InvalidOperationException("block is not part of track");
}
am.RecordRemove(Tracks, track);
return(true);
}
/// <summary>Calculates the block's color at some time during the block.</summary>
/// <param name="time">must be within range</param>
/// <param name="track">must be contained in the block</param>
public GloColor GetColorAtTime(float time, Track track)
{
// Performance optimization: only validate args in debug mode.
#if DEBUG
if (!IsTimeInOccupiedRange(time))
{
throw new ArgumentOutOfRangeException(nameof(time));
}
if (!Tracks.Contains(track))
{
throw new ArgumentException("invalid track");
}
#endif
// Note: If ColorModifierFn becomes relevant, we could apply it generically to the result here.
return(GetColorAtLocalTimeCore(time - StartTime, track));
}
/// <summary>
/// Removes track from current playlist
/// </summary>
/// <param name="track"></param>
public void RemoveTrackFromCurrentPlaylist(SoundCloudTrack track)
{
if (track == null)
{
throw new Exception("Track to remove is null. Remove track from current playlist failed.");
}
if (Playlist == null)
{
throw new Exception("Playlist is null. Remove track from current playlist failed.");
}
if (!Tracks.Contains(track))
{
throw new Exception($"There is no track with id {track.id} in current playlist. Remove track from current playlist failed.");
}
// Remove later when syncing with background task
Tracks.Remove(track);
MessageService.SendMessageToBackground(this, new DeleteTrackFromPlaybackList(track));
}
/// <summary>
/// Handles track reordering
/// </summary>
public void ReorderTracks(SoundCloudTrack track, int indexFrom, int indexTo)
{
if (track == null)
{
throw new Exception("Track to remove is null. Reorder tracks from current playlist failed.");
}
if (Playlist == null)
{
throw new Exception("Playlist is null. Reorder tracks from current playlist failed.");
}
if (!Tracks.Contains(track))
{
throw new Exception($"There is no track with id {track.id} in current playlist. Reorder tracks from current playlist failed.");
}
var movedPlaylistTrack = PlaylistTrackService.GetPlaylistTrack(Playlist.id, (int)track.id);
movedPlaylistTrack.TrackOrder = indexTo;
PlaylistTrackService.ModifyPlaylistTrack(movedPlaylistTrack);
if (indexTo - indexFrom > 0)
{
for (int i = indexFrom; i < indexTo; ++i)
{
var movedTrack = PlaylistTrackService.GetPlaylistTrack(Playlist.id, (int)Tracks[i].id);
movedTrack.TrackOrder = i;
PlaylistTrackService.ModifyPlaylistTrack(movedTrack);
}
}
else if (indexTo - indexFrom < 0)
{
for (int i = indexTo + 1; i <= indexFrom; ++i)
{
var movedTrack = PlaylistTrackService.GetPlaylistTrack(Playlist.id, (int)Tracks[i].id);
movedTrack.TrackOrder = i;
PlaylistTrackService.ModifyPlaylistTrack(movedTrack);
}
}
}
public override void SaveChanges()
{
_context.Artists.AddOrUpdate(Artists.ToArray());
_context.Albums.AddOrUpdate(Albums.ToArray());
_context.Tracks.AddOrUpdate(Tracks.ToArray());
RemoveEntities(_context.Artists, _context.Artists.AsEnumerable().Where(a => !Artists.Contains(a)));
RemoveEntities(_context.Albums, _context.Albums.AsEnumerable().Where(a => !Albums.Contains(a)));
RemoveEntities(_context.Tracks, _context.Tracks.AsEnumerable().Where(a => !Tracks.Contains(a)));
_context.SaveChanges();
}