public IActionResult Search([FromBody] SearchVideoOptions options)
        {
            var video = videoService
                        .SearchVideo(options)
                        .ToList();

            if (video == null)
            {
                return(BadRequest());
            }

            if (video.Count == 0)
            {
                return(NotFound());
            }

            return(Json(video));
        }
        public IQueryable <Video> SearchVideo(
            SearchVideoOptions options)
        {
            if (options == null)
            {
                return(null);
            }

            var query = context_
                        .Set <Video>()
                        .AsQueryable();

            if (options.VideoId != null)
            {
                query = query.Where(v => v.VideoId == options.VideoId.Value);
            }

            query = query.Take(500);

            return(query);
        }