public IActionResult GetSongCollection(
            [ModelBinder(BinderType = typeof(ArrayModelBinder))] IEnumerable <Guid> ids)
        {
            if (ids == null)
            {
                return(BadRequest());
            }

            var songEntities = _sprotifyRepository.GetSongs(ids);

            if (ids.Count() != songEntities.Count())
            {
                return(NotFound());
            }

            return(Ok(Mapper.Map <IEnumerable <Models.Song> >(songEntities)));
        }
        public IActionResult GetSongs([FromQuery] string search = null)
        {
            var songs = _sprotifyRepository.GetSongs(search);

            return(Ok(Mapper.Map <IEnumerable <Song> >(songs)));
        }