public async Task <IHttpActionResult> PutSongItem(int id, Song item)
        {
            SongBL bL = new SongBL(_context);

            if (!id.Equals(item.songID))
            {
                return(BadRequest());
            }

            else if (!bL.SongExists(id))
            {
                var ItemId = await bL.CreateNewSong(item);

                if (ItemId == null)
                {
                    return(InternalServerError());
                }

                return(Created(Request.RequestUri, item));
            }
            var isUpdated = await bL.UpdateSong(item);

            if (isUpdated == false)
            {
                return(InternalServerError());
            }
            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> DeleteSongItem(int id)
        {
            SongBL bL = new SongBL(_context);

            if (!bL.SongExists(id))
            {
                return(NotFound());
            }

            var result = await bL.DeleteSong(id);

            if (result == null)
            {
                return(InternalServerError());
            }

            return(Ok(result));
        }