public void SaveGuide(int groupId)
{
if (!AlreadyGuide.Contains(groupId))
{
AlreadyGuide.Add(groupId);
}
}
public void RemoveFriend(Address target, Address friend)
{
Runtime.Expect(IsWitness(target), "invalid witness");
Runtime.Expect(friend != Address.Null, "friend address must not be null");
Runtime.Expect(friend != target, "friend must be different from target address");
Runtime.Expect(_friends.Contains(friend), "friend not found");
_friends.Remove(friend);
Runtime.Notify(EventKind.AddressRemove, target, friend);
}
internal void AddToPlaylistTracks(PlaylistTrack playlistTrack)
{
#if DEBUG
if (playlistTrack == PlaylistTrack.NoPlaylistTrack)
{
throw new Exception();
}
if ((playlistTrack.Key >= 0) && (Key < 0))
{
throw new Exception();
}
if (playlistTracks.Contains(playlistTrack))
{
throw new Exception();
}
#endif
playlistTracks.Add(playlistTrack);
onAddedToPlaylistTracks(playlistTrack);
}
internal void AddToTracks(Track track)
{
#if DEBUG
if (track == Track.NoTrack)
{
throw new Exception();
}
if ((track.Key >= 0) && (Key < 0))
{
throw new Exception();
}
if (tracks.Contains(track))
{
throw new Exception();
}
#endif
tracks.Add(track);
onAddedToTracks(track);
}