public ActionResult MarkTaskDetail(int taskId)
        {
            var model = new MarkTaskDetailModel();

            model.TaskId = taskId;
            var booktask  = _bookWorkTaskService.GetBookWorkTask(taskId);
            var taskItems = booktask.BookWorkTaskItems.ToList(); //任务包含的Item

            model.TaskRelatedChapter = taskItems.Select(d => d.BookChapter).ToList();
            IList <BookChapter> bookChapterList = new List <BookChapter>();

            //IList<BookChapter> relateAllChapters = new List<BookChapter>();
            foreach (var titem in taskItems)
            {
                var itemchapter = titem.BookChapter;
                while (itemchapter.BookChapterParent != null)
                {
                    //if (!relateAllChapters.Contains(itemchapter))
                    //{
                    //    relateAllChapters.Add(itemchapter);
                    //}
                    itemchapter = itemchapter.BookChapterParent;
                }
                if (!bookChapterList.Contains(itemchapter))
                {
                    bookChapterList.Add(itemchapter);
                }
            }
            bookChapterList      = bookChapterList.OrderBy(p => p.Id).ToList();
            model.RelateChapters = bookChapterList;
            //model.RelateAllChapters = relateAllChapters;
            return(View(model));
        }
        public ActionResult Detail(int taskId)
        {
            var model = new MarkTaskDetailModel {
                Id = taskId
            };
            var booktask  = _bookWorkTaskService.GetBookWorkTask(taskId);
            var taskItems = booktask.BookWorkTaskItems.ToList(); //任务包含的Item

            model.TaskRelatedChapter = taskItems.Select(d => d.BookChapter).ToList();
            foreach (var titem in taskItems)
            {
                var itemchapter = titem.BookChapter;
                while (itemchapter.BookChapterParent != null)
                {
                    itemchapter = itemchapter.BookChapterParent;
                }
                if (!model.RelateChapters.Contains(itemchapter))
                {
                    model.RelateChapters.Add(itemchapter);
                }
            }

            return(View(model));
        }