public int CreateArtist(CreateArtistRequest request)
{
Require.NotNull(request, nameof(request));
if (_musicRepository.GetArtists(artist => artist.Name.Equals(request.Name)).SingleOrDefault() != null)
{
throw new AccountAlreadyExistsException("Artist with such name already exists");
}
var newArtist = new Artist(
request.Name,
request.Description);
var artistId = _musicRepository.CreateArtist(newArtist);
return(artistId);
}
