public SongCategoryModel GetById(string id)
{
var songCategory = _songCategoryRepository.GetById(id);
if (songCategory == null)
{
throw new NotFoundException(Messages.InvalidSongCategoryId);
}
return(SongCategoryMapper.ToSongCategoryModel(songCategory));
}
public void Add(AddUpdateSongModel addSongModel)
{
if (string.IsNullOrEmpty(addSongModel.Name))
{
throw new ValidationException(Messages.SongNameRequired);
}
if (string.IsNullOrEmpty(addSongModel.Url))
{
throw new ValidationException(Messages.SongUrlRequired);
}
if (string.IsNullOrEmpty(addSongModel.SongCategoryId))
{
throw new ValidationException(Messages.SongCategoryIdRequired);
}
if (string.IsNullOrEmpty(addSongModel.ArtistId))
{
throw new ValidationException(Messages.SongArtistIdRequired);
}
var songCategory = _songCategoryRepository.GetById(addSongModel.SongCategoryId);
if (songCategory == null)
{
throw new NotFoundException(Messages.InvalidSongCategoryId);
}
var artist = _artistRepository.GetById(addSongModel.ArtistId);
if (artist == null)
{
throw new NotFoundException(Messages.InvalidArtistId);
}
var song = SongMapper.ToSong(addSongModel);
song.Id = SecurityUtils.GenerateEntityId();
_songRepository.Add(song);
}