/// <summary>
/// 添加章节
/// </summary>
public ServiceInvokeDTO AddChapter(Chapter chapter)
{
log.Debug(Constant.DEBUG_START);
ServiceInvokeDTO result = null;
try
{
// 检测章节名称是否存在
Chapter dbChapter = chapterDAL.GetByName(chapter.CourseID, chapter.Name);
if (dbChapter == null)
{
// 叠加章节序号
chapter.ChapterIndex = chapterDAL.GetLastChapterIndex(chapter.CourseID) + 1;
chapterDAL.Insert(chapter);
result = new ServiceInvokeDTO(InvokeCode.SYS_INVOKE_SUCCESS);
}
else
{
result = new ServiceInvokeDTO(InvokeCode.ITEM_CHAPTER_NAME_EXIST_ERROR);
}
}
catch (Exception ex)
{
log.Error(ex);
throw ex;
}
log.Debug(Constant.DEBUG_END);
return result;
}
public ActionResult UpdateChapter()
{
log.Debug(Constant.DEBUG_START);
string idString = ApiQueryUtil.QueryArgByPost("id");
string name = ApiQueryUtil.QueryArgByPost("name");
ServiceInvokeDTO result = null;
try
{
Chapter chapter = new Chapter();
chapter.ID = Convert.ToInt32(idString);
chapter.Name = name;
result = itemDataService.UpdateChapter(chapter);
}
catch (Exception ex)
{
log.Error(ex);
result = new ServiceInvokeDTO(InvokeCode.SYS_INNER_ERROR);
}
string json = JsonConvert.SerializeObject(result, Formatting.Indented, Constant.TIME_CONVERTER);
log.Debug(Constant.DEBUG_END);
return Content(json, Constant.JSON_MIME_TYPE);
}
public ActionResult AddChapter()
{
log.Debug(Constant.DEBUG_START);
string name = ApiQueryUtil.QueryArgByPost("name");
ServiceInvokeDTO result = null;
try
{
Chapter chapter = new Chapter();
chapter.CourseID = (Session[Constant.SESSION_KEY_COURSE] as Course).ID;
chapter.Name = name;
result = itemDataService.AddChapter(chapter);
}
catch (Exception ex)
{
log.Error(ex);
result = new ServiceInvokeDTO(InvokeCode.SYS_INNER_ERROR);
}
string json = JsonConvert.SerializeObject(result, Formatting.Indented, Constant.TIME_CONVERTER);
log.Debug(Constant.DEBUG_END);
return Content(json, Constant.JSON_MIME_TYPE);
}
/// <summary>
/// 更新章节
/// </summary>
public ServiceInvokeDTO UpdateChapter(Chapter chapter)
{
log.Debug(Constant.DEBUG_START);
ServiceInvokeDTO result = null;
try
{
Chapter dbChapter = chapterDAL.GetByID(chapter.ID);
if (dbChapter != null)
{
// 检测章节名称是否存在
Chapter chapterWithName = chapterDAL.GetByName(dbChapter.CourseID, chapter.Name);
if (chapterWithName != null && chapterWithName.ID != chapter.ID)
{
result = new ServiceInvokeDTO(InvokeCode.ITEM_CHAPTER_NAME_EXIST_ERROR);
}
else
{
chapter.ChapterIndex = dbChapter.ChapterIndex;
chapterDAL.Update(chapter);
result = new ServiceInvokeDTO(InvokeCode.SYS_INVOKE_SUCCESS);
}
}
else
{
result = new ServiceInvokeDTO(InvokeCode.SYS_OBJECT_NOT_EXIST_ERROR);
}
}
catch (Exception ex)
{
log.Error(ex);
throw ex;
}
log.Debug(Constant.DEBUG_END);
return result;
}
/// <summary>
/// 更新实体信息
/// </summary>
public void Update(Chapter chapter)
{
const string sql = @"UPDATE Chapter SET ChapterIndex = @ChapterIndex, Name= @Name
WHERE IsDeleted = 0 AND ID = @ID";
using (DbConnection connection = ConnectionManager.OpenConnection)
{
connection.Execute(sql, chapter);
}
}
/// <summary>
/// 添加实体信息,返回添加成功后的主键ID
/// </summary>
public int Insert(Chapter chapter)
{
int chapterID = 0;
const string sql = @"INSERT INTO Chapter(CourseID, ChapterIndex, Name) VALUES (@CourseID, @ChapterIndex, @Name);
SELECT LAST_INSERT_ID();";
using (DbConnection connection = ConnectionManager.OpenConnection)
{
chapterID = connection.Query<int>(sql, chapter).SingleOrDefault<int>();
}
return chapterID;
}
