public bool RemoveCourseBookmark(BookmarkedSessionDAO bookmarkToRemove)
        {
            bool removed = db.RemoveCourseBookmark(DataMapper.MapToBookmarkedSession(bookmarkToRemove));

            return(removed);
        }
        public bool AddCourseBookmark(BookmarkedSessionDAO bookmarkToAdd)
        {
            bool added = db.AddCourseBookmark(DataMapper.MapToBookmarkedSession(bookmarkToAdd));

            return(added);
        }