public void Update(string id, ArtistModel artistModel)
{
if (string.IsNullOrEmpty(artistModel.Name))
{
throw new ValidationException(Messages.ArtistNameRequired);
}
if (string.IsNullOrEmpty(artistModel.Description))
{
throw new ValidationException(Messages.ArtistDescriptionRequired);
}
var artist = _artistRepository.GetById(id);
if (artist == null)
{
throw new NotFoundException(Messages.InvalidArtistId);
}
var artistByName = _artistRepository.GetByName(artist.Name);
if (artistByName != null && artistByName.Id != id)
{
throw new ConflictException(Messages.ArtistNameAlreadyExists);
}
ArtistMapper.RefreshArtist(artist, artistModel);
_artistRepository.Update(artist);
}