Business.EditVideoBusiness.IsTitleDuplicate C# (CSharp) Метод

        public bool IsTitleDuplicate(Media video) {
            bool IsDuplicate = (from v in context.Media
                                where v.MediaId != video.MediaId &&
                                    v.MediaTypeId == video.MediaTypeId &&
                                    (video.Artist == null || v.Artist == video.Artist) &&
                                    (video.Title == null || v.Title == video.Title)
                                select v.MediaId).Any();
            return IsDuplicate;
        }