public async Task <ActionResult <ArtistResource> > PostAsync([FromBody] SaveArtistResource input)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState.GetErrorMessages()));
            }

            var artist = _mapper.Map <SaveArtistResource, Artist>(input);
            var result = await _supervisor.AddArtistAsync(artist);

            if (!result.Success)
            {
                return(BadRequest(new ErrorResource(result.Message)));
            }

            var artistResource = _mapper.Map <Artist, ArtistResource>(result.Artist);

            return(StatusCode(201, artistResource));
        }