public async Task <CurrentSong> UpdateOrCreateAsync(SongWithVoteCount song)
{
var currentSong = await _currentSongRepository.GetOrDefaultAsync();
if (currentSong == null)
{
currentSong = _currentSongRepository.Create();
_currentSongRepository.Add(currentSong);
}
currentSong.Map(song, _clock);
return(currentSong);
}
public async Task <SignalRMessage> ExecuteAsync(StartSongCommand command, SignalRMessage previousResult)
{
var song = await _songRepository.GetById(command.SongId);
if (song == null)
{
return(null);
}
song.Finished = true;
await _songRepository.Update(song);
var user = await _userRepository.GetById(song.AddedByUser);
var currentSong = await _currentSongRepository.FirstOrDefault();
if (currentSong != null)
{
await _currentSongRepository.Remove(currentSong.Id);
}
var actualCurrentSong = new CurrentSong
{
AddedAt = song.AddedAt,
AddedByUser = song.AddedByUser,
Author = song.Author,
Description = song.Description,
Duration = song.Duration,
Finished = false,
Id = Guid.NewGuid(),
NoAuthor = song.NoAuthor,
NoDescription = song.NoDescription,
SongId = song.Id,
StartedAt = DateTimeOffset.UtcNow,
Thumbnail = song.Thumbnail,
Title = song.Title,
Url = song.Url,
ViewCount = song.ViewCount,
UserName = user.UserName
};
await _currentSongRepository.Add(actualCurrentSong);
return(new SignalRMessage
{
Arguments = new object[] { actualCurrentSong },
GroupName = null,
Target = "startSongCommandNotification",
});
}