public bool IsDiscountAvailable(int userId, int albumId)
{
if (albumId <= 0 || userId <= 0)
{
throw new ArgumentException("userId is less then 1 or albumId is less then 1 in musicStoreService in BuySong", "userId or albumId");
}
User user = _userRepository.GetItem(userId);
if (user == null)
{
throw new Exception("Can not find user in db");
}
Album album = _albumRepository.GetItem(albumId);
if (album == null)
{
throw new Exception("Can not find album in db");
}
foreach (var albumSong in album.Songs)
{
if (user.BoughtSongs.Any(x => x.Song.Id == albumSong.Id))
{
return(false);
}
}
return(true);
}
public IList <Domain.DataTransfer.Song> GetSongsListFromAlbum(int albumId)
{
if (albumId <= 0)
{
throw new ArgumentException($"{nameof(albumId)} is less then 1 in musicStoreService DisplayAllAvailableSongs", nameof(albumId));
}
var album = _albumRepository.GetItem(albumId);
if (album == null || album.Songs == null)
{
throw new Exception("album is null or album.Songs is null");
}
var domainSongsList = album.Songs.Select(_mapSong.AutoMap).ToList();
return(domainSongsList);
}