Golang ApiNote.Usn方法代码示例

// 更新笔记
// [OK]
func (c ApiNote) UpdateNote(noteOrContent info.ApiNote) revel.Result {
	re := info.NewReUpdate()

	noteUpdate := bson.M{}
	needUpdateNote := false

	noteId := noteOrContent.NoteId

	if noteOrContent.NoteId == "" {
		re.Msg = "noteIdNotExists"
		return c.RenderJson(re)
	}

	if noteOrContent.Usn <= 0 {
		re.Msg = "usnNotExists"
		return c.RenderJson(re)
	}

	//	Log("_____________")
	//	LogJ(noteOrContent)
	/*
		LogJ(c.Params.Files)
		LogJ(c.Request.Header)
		LogJ(c.Params.Values)
	*/

	// 先判断USN的问题, 因为很可能添加完附件后, 会有USN冲突, 这时附件就添错了
	userId := c.getUserId()
	note := noteService.GetNote(noteId, userId)
	if note.NoteId == "" {
		re.Msg = "notExists"
		return c.RenderJson(re)
	}
	if note.Usn != noteOrContent.Usn {
		re.Msg = "conflict"
		Log("conflict")
		return c.RenderJson(re)
	}

	// 如果传了files
	// TODO 测试
	/*
		for key, v := range c.Params.Values {
			Log(key)
			Log(v)
		}
	*/
	//	Log(c.Has("Files[0]"))
	if c.Has("Files[0][LocalFileId]") {
		//		LogJ(c.Params.Files)
		if noteOrContent.Files != nil && len(noteOrContent.Files) > 0 {
			for i, file := range noteOrContent.Files {
				if file.HasBody {
					if file.LocalFileId != "" {
						// FileDatas[54c7ae27d98d0329dd000000]
						ok, msg, fileId := c.upload("FileDatas["+file.LocalFileId+"]", noteId, file.IsAttach)
						if !ok {
							Log("upload file error")
							re.Ok = false
							if msg == "" {
								re.Msg = "fileUploadError"
							} else {
								re.Msg = msg
							}
							return c.RenderJson(re)
						} else {
							// 建立映射
							file.FileId = fileId
							noteOrContent.Files[i] = file
						}
					} else {
						return c.RenderJson(re)
					}
				}
			}
		}

		//		Log("after upload")
		//		LogJ(noteOrContent.Files)

	}

	// 移到外面来, 删除最后一个file时也要处理, 不然总删不掉
	// 附件问题, 根据Files, 有些要删除的, 只留下这些
	attachService.UpdateOrDeleteAttachApi(noteId, userId, noteOrContent.Files)

	// Desc前台传来
	if c.Has("Desc") {
		needUpdateNote = true
		noteUpdate["Desc"] = noteOrContent.Desc
	}
	/*
		if c.Has("ImgSrc") {
			needUpdateNote = true
			noteUpdate["ImgSrc"] = noteOrContent.ImgSrc
		}
	*/
	if c.Has("Title") {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	if noteOrContent.NotebookId == "" || !bson.IsObjectIdHex(noteOrContent.NotebookId) {
		re.Msg = "notebookIdNotExists"
		return c.RenderJson(re)
	}

	noteId := bson.NewObjectId()
	// TODO 先上传图片/附件, 如果不成功, 则返回false
	//
	attachNum := 0
	if noteOrContent.Files != nil && len(noteOrContent.Files) > 0 {
		for i, file := range noteOrContent.Files {
			if file.HasBody {
				if file.LocalFileId != "" {
					// FileDatas[54c7ae27d98d0329dd000000]
					ok, msg, fileId := c.upload("FileDatas["+file.LocalFileId+"]", noteId.Hex(), file.IsAttach)

					if !ok {
						re.Ok = false
						if msg != "" {
							Log(msg)
							Log(file.LocalFileId)
							re.Msg = "fileUploadError"
						}
						// 报不是图片的错误没关系, 证明客户端传来非图片的数据
						if msg != "notImage" {
							return c.RenderJson(re)
						}
					} else {
						// 建立映射
						file.FileId = fileId
						noteOrContent.Files[i] = file

						if file.IsAttach {
							attachNum++
						}
					}
				} else {
					return c.RenderJson(re)
				}
			}
		}
	}

	c.fixPostNotecontent(&noteOrContent)

	//	Log("Add")
	//	LogJ(noteOrContent)

	//	return c.RenderJson(re)

	note := info.Note{UserId: userId,
		NoteId:     noteId,
		NotebookId: bson.ObjectIdHex(noteOrContent.NotebookId),
		Title:      noteOrContent.Title,
		Tags:       noteOrContent.Tags,
		Desc:       noteOrContent.Desc,
		//		ImgSrc:     noteOrContent.ImgSrc,
		IsBlog:      noteOrContent.IsBlog,
		IsMarkdown:  noteOrContent.IsMarkdown,
		AttachNum:   attachNum,
		CreatedTime: noteOrContent.CreatedTime,
		UpdatedTime: noteOrContent.UpdatedTime,
	}
	noteContent := info.NoteContent{NoteId: note.NoteId,
		UserId:      userId,
		IsBlog:      note.IsBlog,
		Content:     noteOrContent.Content,
		Abstract:    noteOrContent.Abstract,
		CreatedTime: noteOrContent.CreatedTime,
		UpdatedTime: noteOrContent.UpdatedTime,
	}

	// 通过内容得到Desc, abstract
	if noteOrContent.Abstract == "" {
		note.Desc = SubStringHTMLToRaw(noteContent.Content, 200)
		noteContent.Abstract = SubStringHTML(noteContent.Content, 200, "")
	} else {
		note.Desc = SubStringHTMLToRaw(noteContent.Abstract, 200)
	}

	note = noteService.AddNoteAndContentApi(note, noteContent, myUserId)

	if note.NoteId == "" {
		re.Ok = false
		return c.RenderJson(re)
	}

	// 添加需要返回的
	noteOrContent.NoteId = note.NoteId.Hex()
	noteOrContent.Usn = note.Usn
	noteOrContent.CreatedTime = note.CreatedTime
	noteOrContent.UpdatedTime = note.UpdatedTime
	noteOrContent.UserId = c.getUserId()
	noteOrContent.IsMarkdown = note.IsMarkdown
	// 删除一些不要返回的, 删除Desc?
	noteOrContent.Content = ""
	noteOrContent.Abstract = ""
	//	apiNote := info.NoteToApiNote(note, noteOrContent.Files)
	return c.RenderJson(noteOrContent)
}