// 删除别人共享给我的笔记
// 先判断我是否有权限, 笔记是否是我创建的
func (this *TrashService) DeleteSharedNote(noteId, userId, myUserId string) bool {
note := noteService.GetNote(noteId, userId)
if shareService.HasUpdatePerm(userId, myUserId, noteId) && note.CreatedUserId.Hex() == myUserId {
return db.UpdateByIdAndUserId(db.Notes, noteId, userId, bson.M{"$set": bson.M{"IsTrash": true, "Usn": userService.IncrUsn(userId)}})
}
return false
}
// recover
func (this *TrashService) recoverNote(noteId, notebookId, userId string) bool {
re := db.UpdateByIdAndUserId(db.Notes, noteId, userId,
bson.M{"$set": bson.M{"IsTrash": false,
"Usn": userService.IncrUsn(userId),
"NotebookId": bson.ObjectIdHex(notebookId)}})
return re
}
// 移动note
// trash, 正常的都可以用
// 1. 要检查下notebookId是否是自己的
// 2. 要判断之前是否是blog, 如果不是, 那么notebook是否是blog?
func (this *NoteService) MoveNote(noteId, notebookId, userId string) info.Note {
if notebookService.IsMyNotebook(notebookId, userId) {
note := this.GetNote(noteId, userId)
preNotebookId := note.NotebookId.Hex()
re := db.UpdateByIdAndUserId(db.Notes, noteId, userId,
bson.M{"$set": bson.M{"IsTrash": false,
"NotebookId": bson.ObjectIdHex(notebookId),
"Usn": userService.IncrUsn(userId),
}})
if re {
// 更新blog状态
this.updateToNotebookBlog(noteId, notebookId, userId)
// recount notebooks' notes number
notebookService.ReCountNotebookNumberNotes(notebookId)
// 之前不是trash才统计, trash本不在统计中的
if !note.IsTrash && preNotebookId != notebookId {
notebookService.ReCountNotebookNumberNotes(preNotebookId)
}
}
return this.GetNote(noteId, userId)
}
return info.Note{}
}
// 新建一个note, 不需要添加历史记录
// 添加历史
func (this *NoteContentHistoryService) AddHistory(noteId, userId string, eachHistory info.EachHistory) {
// 检查是否是空
if eachHistory.Content == "" {
return
}
// 先查是否存在历史记录, 没有则添加之
history := info.NoteContentHistory{}
db.GetByIdAndUserId(db.NoteContentHistories, noteId, userId, &history)
if history.NoteId == "" {
this.newHistory(noteId, userId, eachHistory)
} else {
// 判断是否超出 maxSize, 如果超出则pop最后一个, 再push之, 不用那么麻烦, 直接update吧, 虽然影响性能
// TODO
l := len(history.Histories)
if l >= maxSize {
// history.Histories = history.Histories[l-maxSize:] // BUG, 致使都是以前的
history.Histories = history.Histories[:maxSize]
}
newHistory := []info.EachHistory{eachHistory}
newHistory = append(newHistory, history.Histories...) // 在开头加了, 最近的在最前
history.Histories = newHistory
// 更新之
db.UpdateByIdAndUserId(db.NoteContentHistories, noteId, userId, history)
}
return
}
// 添加或更新标签, 先查下是否存在, 不存在则添加, 存在则更新
// 都要统计下tag的note数
// 什么时候调用? 笔记添加Tag, 删除Tag时
// 删除note时, 都可以调用
// 万能
func (this *TagService) AddOrUpdateTag(userId string, tag string) info.NoteTag {
userIdO := bson.ObjectIdHex(userId)
noteTag := info.NoteTag{}
db.GetByQ(db.NoteTags, bson.M{"UserId": userIdO, "Tag": tag}, ¬eTag)
// 存在, 则更新之
if noteTag.TagId != "" {
// 统计note数
count := noteService.CountNoteByTag(userId, tag)
noteTag.Count = count
noteTag.UpdatedTime = time.Now()
// noteTag.Usn = userService.IncrUsn(userId), 更新count而已
db.UpdateByIdAndUserId(db.NoteTags, noteTag.TagId.Hex(), userId, noteTag)
return noteTag
}
// 不存在, 则创建之
noteTag.TagId = bson.NewObjectId()
noteTag.Count = 1
noteTag.Tag = tag
noteTag.UserId = bson.ObjectIdHex(userId)
noteTag.CreatedTime = time.Now()
noteTag.UpdatedTime = noteTag.CreatedTime
noteTag.Usn = userService.IncrUsn(userId)
noteTag.IsDeleted = false
db.Insert(db.NoteTags, noteTag)
return noteTag
}
// 如果自己的blog状态是true, 不用改变,
// 否则, 如果notebookId的blog是true, 则改为true之
// 返回blog状态
// move, copy时用
func (this *NoteService) updateToNotebookBlog(noteId, notebookId, userId string) bool {
if this.IsBlog(noteId) {
return true
}
if notebookService.IsBlog(notebookId) {
db.UpdateByIdAndUserId(db.Notes, noteId, userId,
bson.M{"$set": bson.M{"IsBlog": true, "PublicTime": time.Now()}}) // life
return true
}
return false
}
// 删除note
// 应该放在回收站里
// 有trashService
func (this *TrashService) DeleteNote(noteId, userId string) bool {
// 首先删除其共享
if shareService.DeleteShareNoteAll(noteId, userId) {
// 更新note isTrash = true
if db.UpdateByIdAndUserId(db.Notes, noteId, userId, bson.M{"$set": bson.M{"IsTrash": true, "Usn": userService.IncrUsn(userId)}}) {
// recount notebooks' notes number
notebookIdO := noteService.GetNotebookId(noteId)
notebookId := notebookIdO.Hex()
notebookService.ReCountNotebookNumberNotes(notebookId)
return true
}
}
return false
}