/// <summary>
/// 更新笔记 元数据
/// </summary>
/// <param name="apiNote"></param>
/// <returns></returns>
public static bool UpdateNote(ref ApiNote apiNote, long updateUser, long contentId, bool verifyUsn, bool verifyOwner,
out string msg, out int afterUsn)
{
var noteId = MyConvert.HexToLong(apiNote.NoteId);
afterUsn = 0;
if (apiNote == null)
{
msg = "apiNote_is_null";
return(false);
}
// var noteId = MyConvert.HexToLong(apiNote.NoteId);
if (noteId == 0)
{
msg = "noteId_is_note_long_Number";
return(false);
}
using (var db = new DataContext())
{
var result = db.Note.Where(b => b.NoteId == noteId && b.UserId == updateUser);
if (result == null)
{
msg = "inexistence";
return(false);
}
var note = result.FirstOrDefault();
if (verifyUsn)
{
if (note.Usn != apiNote.Usn)
{
msg = "Verify_Usn_Failure";
return(false);
}
}
if (verifyOwner)
{
if (note.UserId != updateUser)
{
msg = "Verify_updateUser_Failure";
return(false);
}
}
if (apiNote.Desc != null)
{
note.Desc = apiNote.Desc;
}
if (apiNote.Title != null)
{
note.Title = apiNote.Title;
}
if (apiNote.IsTrash != null)
{
note.IsTrash = apiNote.IsTrash.GetValueOrDefault();
}
if (apiNote.IsBlog != null)
{
if (note.IsBlog == false && apiNote.IsBlog == true)
{
note.PublicTime = DateTime.Now;
}
note.IsBlog = apiNote.IsBlog.GetValueOrDefault(false);
}
if (apiNote.Tags != null)
{
note.Tags = apiNote.Tags;
TagService.AddTags(note.UserId, note.Tags);
BlogService.ReCountBlogTags(note.UserId);
}
if (apiNote.NotebookId != null)
{
var noteBookId = MyConvert.HexToLong(apiNote.NotebookId);
if (note.NotebookId == 0)
{
msg = "NotebookId_Is_Illegal";
return(false);
}
if (note.NotebookId != noteBookId)
{
// 如果修改了notebookId, 则更新notebookId'count
// 两方的notebook也要修改
NotebookService.ReCountNotebookNumberNotes(note.NotebookId);
NotebookService.ReCountNotebookNumberNotes(noteBookId);
note.NotebookId = noteBookId;
}
}
if (apiNote.Content != null)
{
note.ContentId = contentId;
if (apiNote.Abstract == null)
{
if (apiNote.IsMarkdown.GetValueOrDefault(note.IsMarkdown))
{
note.Desc = MyHtmlHelper.SubMarkDownToRaw(apiNote.Content, 200);
}
else
{
note.Desc = MyHtmlHelper.SubHTMLToRaw(apiNote.Content, 200);
}
// note.Desc = MyHtmlHelper.SubStringHTMLToRaw(apiNote.Content, 200);
}
else
{
note.Desc = MyHtmlHelper.SubHTMLToRaw(apiNote.Abstract, 200);
//note.Desc = MyHtmlHelper.SubStringHTMLToRaw(apiNote.Abstract, 200);
}
}
if (apiNote.UpdatedTime != null)
{
note.UpdatedTime = Tools.FixUrlTime(apiNote.UpdatedTime);
}
else
{
note.UpdatedTime = DateTime.Now;
}
if (note.IsBlog && note.HasSelfDefined)
{
note.ImgSrc = null;
note.Desc = null;
}
if (apiNote.IsTrash != null)
{
note.IsTrash = apiNote.IsTrash.GetValueOrDefault(false);
NotebookService.ReCountNotebookNumberNotes(note.NotebookId);
}
if (apiNote.IsMarkdown != null)
{
note.IsMarkdown = apiNote.IsMarkdown.GetValueOrDefault();
}
note.UpdatedUserId = MyConvert.HexToLong(apiNote.UserId);
//更新用户元数据乐观锁
afterUsn = UserService.IncrUsn(note.UserId);
//更新笔记元数据乐观锁
note.Usn = afterUsn;
db.SaveChanges();
msg = "success";
return(true);
}
}
