public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
Song song = service.FindSongById(id);
if (song == null)
{
return(HttpNotFound());
}
var viewModel = Mapper.Instance.Map <Song, DetailedSongViewModel>(song);
ViewBag.Playlists = service.GetUserPlaylistsNotContaining(song);
return(View(viewModel));
}