public async Task <IActionResult> PostAsync([FromBody] ArtistInputModel value)
        {
            if (value == null)
            {
                return(BadRequest("Invalid input"));
            }

            var result = await _artistsService.AddAsync(value);

            if (result == null)
            {
                return(BadRequest("Artist not inserted"));
            }

            return(CreatedAtRoute("ArtistGetAsync",
                                  new
            {
                id = result.Id
            },
                                  result));
        }