/// <summary>
/// Add a list of Albums to a specified playlist
/// </summary>
/// <param name="albumsToAdd"></param>
/// <param name="playlist"></param>
public static void AddAlbumsToPlaylist(IEnumerable <Album> albumsToAdd, AlbumPlaylist playlist)
{
playlist.AddAlbums(albumsToAdd);
// Report the change
DataReporter?.PlaylistUpdated(playlist);
}
/// <summary>
/// Add a list of Songs to a specified playlist
/// </summary>
/// <param name="songsToAdd"></param>
/// <param name="playlist"></param>
public static void AddSongsToPlaylist(IEnumerable <Song> songsToAdd, SongPlaylist playlist)
{
playlist.AddSongs(songsToAdd);
// Report the change
DataReporter?.PlaylistUpdated(playlist);
}
/// <summary>
/// Delete the specified SongPlaylistItem items from its parent playlist
/// </summary>
/// <param name="thePlaylist"></param>
/// <param name="items"></param>
public static void DeletePlaylistItems(Playlist thePlaylist, IEnumerable <PlaylistItem> items)
{
// Delete the items from the playlist
thePlaylist.DeletePlaylistItems(items);
// Adjust the track numbers
thePlaylist.AdjustTrackNumbers();
// Report the change
DataReporter?.PlaylistUpdated(thePlaylist);
}
/// <summary>
/// Move the selected items up or down the list
/// </summary>
/// <param name="items"></param>
/// <param name="moveUp"></param>
private static void MoveItems(IEnumerable <PlaylistItem> items, bool moveUp)
{
// Record the currently selected song so its track number can be checked after the move
PlaylistItem currentPlaylistItem = (NowPlayingViewModel.CurrentSongIndex == -1) ? null
: NowPlayingViewModel.NowPlayingPlaylist.PlaylistItems[NowPlayingViewModel.CurrentSongIndex];
if (moveUp == true)
{
NowPlayingViewModel.NowPlayingPlaylist.MoveItemsUp(items);
}
else
{
NowPlayingViewModel.NowPlayingPlaylist.MoveItemsDown(items);
}
// Now adjust the index of the selected song
AdjustSelectedSongIndex(currentPlaylistItem);
// Report that the playlist has been updated - don't use NowPlayingDataAvailable as that will clear the selections
DataReporter?.PlaylistUpdated();
}
/// <summary> /// Called when a PlaylistUpdatedMessage has been received. Pass it on to the reporter /// </summary> /// <param name="message"></param> private static void PlaylistUpdated(Playlist updatedPlaylist) => DataReporter?.PlaylistUpdated(updatedPlaylist);
/// <summary>
/// Move a set of selected items up the specified playlist and update the track numbers
/// </summary>
/// <param name="thePlaylist"></param>
/// <param name="items"></param>
public static void MoveItemsUp(Playlist thePlaylist, IEnumerable <PlaylistItem> items)
{
thePlaylist.MoveItemsUp(items);
DataReporter?.PlaylistUpdated(thePlaylist);
}
