public void Add(ArtistModel artistModel)
{
if (string.IsNullOrEmpty(artistModel.Name))
{
throw new ValidationException(Messages.ArtistNameRequired);
}
if (string.IsNullOrEmpty(artistModel.Description))
{
throw new ValidationException(Messages.ArtistDescriptionRequired);
}
var artistByName = _artistRepository.GetByName(artistModel.Name);
if (artistByName != null)
{
throw new ConflictException(Messages.ArtistNameAlreadyExists);
}
var artist = ArtistMapper.ToArtist(artistModel);
artist.Id = SecurityUtils.GenerateEntityId();
_artistRepository.Add(artist);
}