public void DeleteChapter(long chapterId)
{
Chapter chapter = new ChapterBll(new HengNuoWangDBContext()).GetChapter(chapterId);
if (chapter == null)
{
string.Format("不存在指定chapterId：{0}的章节", chapterId).ThrowException();
}
Chapter chptr = new Chapter()
{
Id = chapter.Id,
SeqNo = chapter.SeqNo,
CourseId = chapter.CourseId,
};
int row = _dal.DeleteChapter(chptr);
if (row <= 0)
{
string.Format("删除章节chapterId：{0}失败", chapter.Id).ThrowException();
}
}
public ActionResult Delete(long id)
{
// 检查参数
Chapter chapter = new ChapterBll(new HengNuoWangDBContext()).GetChapter(chapterId: id);
if (chapter == null)
{
ViewBag.error = "章节不存在";
return View("Error");
}
int number = _segmentBll.GetSegmentNumberOfChapter(chapter.Id);
if (number > 0)
{
ViewBag.error = "章节下还有段落，不能删除";
return View("Error");
}
// 删除章节
_chapterBll.DeleteChapter(chapter.Id);
// 记录日志
string log = string.Format("删除章节{0}：‘{1}’", chapter.Id, chapter.Name);
AdminOperationLogBll.AddAdminOperationLog(AdminUserId, log);
// 跳转到所属课程列表页面
string url = string.Format("/Chapter/List/{0}", chapter.CourseId);
return new RedirectResult(url);
}
public JsonResult Edit(long id)
{
Segment oldSegment = new SegmentBll(new HengNuoWangDBContext()).GetSegment(segmentId: id);
if (oldSegment == null)
{
return JsonHelper.GetJsonResult(_ERROR, "段落不存在");
}
Chapter oldChapter = new ChapterBll(new HengNuoWangDBContext()).GetChapter(oldSegment.ChapterId);
string segmentName = Request["name"];
long seqNo, chptrId;
string videoCode = Request["vidcd"];
string note = Request["note"];
Chapter newChapter;
if (CommonHelper.IsNullOrEmptyOrWhiteSpace(segmentName, videoCode) ||
segmentName.Length > 50 ||
!long.TryParse(Request["seqno"], out seqNo) || seqNo <= 0 ||
!long.TryParse(Request["chptrid"], out chptrId) ||
(newChapter = _chapterBll.GetChapter(chptrId)) == null)
{
return JsonHelper.GetJsonResult(_ERROR, "段落名称 或 序号 或 视频代码 错误");
}
Segment sgmnt = new SegmentBll(new HengNuoWangDBContext()).GetSegment(segmentName);
if (sgmnt != null && sgmnt.Id != oldSegment.Id)
{
return JsonHelper.GetJsonResult(_ERROR, "段落名称已经存在");
}
// 更新
Segment newSegment = new Segment()
{
Id = oldSegment.Id,
Name = segmentName,
SeqNo = seqNo,
VideoCode = videoCode,
Note = note,
ChapterId = newChapter.Id,
};
_segmentBll.UpdateSegment(oldSegment, newSegment);
// 记录日志
string log = string.Format("更新段落‘{0}’：【名称‘{1}=>{2}’;所属章节‘{3}=>{4}’;序号‘{5}=>{6}’】",
newSegment.Id, oldSegment.Name, newSegment.Name,
oldChapter.Name, newChapter.Name, oldSegment.SeqNo, newSegment.SeqNo);
AdminOperationLogBll.AddAdminOperationLog(AdminUserId, log);
string url = string.Format("/Segment/List/{0}", newSegment.ChapterId);
return JsonHelper.GetJsonResult(_OK, "更新成功", url);
}
public JsonResult Edit(long id)
{
// 检查请求
string chapterName = Request["name"];
long seqNo, courseId;
Chapter oldChapter;
if (CommonHelper.IsNullOrEmptyOrWhiteSpace(chapterName) ||
chapterName.Length > 50 ||
!long.TryParse(Request["seqno"], out seqNo) ||
seqNo <= 0 ||
!long.TryParse(Request["crsid"], out courseId) ||
(oldChapter = new ChapterBll(new HengNuoWangDBContext()).GetChapter(chapterId: id)) == null)
{
return JsonHelper.GetJsonResult(_ERROR, "章节名 或 序号 错误");
}
Chapter newChapter = new Chapter()
{
Id = oldChapter.Id,
Name = chapterName,
SeqNo = seqNo,
CourseId = oldChapter.CourseId,
};
if (oldChapter.Name == newChapter.Name && oldChapter.SeqNo == newChapter.SeqNo)
{
return JsonHelper.GetJsonResult(_ERROR, "章节名和序号都没有变化");
}
// 更新
_chapterBll.UpdateChapter(oldChapter, newChapter);
// 记录日志
string log = string.Format("更新章节‘{0}’：章节名【{1}=>{2}】;段落序号【{3}=>{4}】;所属课程【{5}=>{6}】",
oldChapter.Id, oldChapter.Name, newChapter.Name,
oldChapter.SeqNo, newChapter.SeqNo, oldChapter.CourseId, newChapter.CourseId);
AdminOperationLogBll.AddAdminOperationLog(AdminUserId, log);
// 跳转列表
string url = string.Format("/Chapter/List/{0}", oldChapter.CourseId);
return JsonHelper.GetJsonResult(_OK, "更新章节成功", url);
}