128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
package service
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import (
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"gopkg.in/mgo.v2/bson"
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"github.com/leanote/leanote/app/db"
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"github.com/leanote/leanote/app/info"
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)
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// 回收站
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// 可以移到noteSerice中
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// 不能删除notebook, 如果其下有notes!
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// 这样回收站里只有note
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// 删除笔记后(或删除笔记本)后入回收站
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// 把note, notebook设个标记即可!
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// 已经在trash里的notebook, note不能是共享!, 所以要删除共享
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type TrashService struct {
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}
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//---------------------
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// 删除note
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// 应该放在回收站里
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// 有trashService
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func (this *TrashService) DeleteNote(noteId, userId string) bool {
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note := noteService.GetNote(noteId, userId);
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// 如果是垃圾, 则彻底删除
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if (note.IsTrash) {
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return this.DeleteTrash(noteId, userId)
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}
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// 首先删除其共享
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if shareService.DeleteShareNoteAll(noteId, userId) {
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// 更新note isTrash = true
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if db.UpdateByIdAndUserId(db.Notes, noteId, userId, bson.M{"$set": bson.M{"IsTrash": true, "Usn": userService.IncrUsn(userId)}}) {
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// recount notebooks' notes number
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notebookIdO := noteService.GetNotebookId(noteId)
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notebookId := notebookIdO.Hex()
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notebookService.ReCountNotebookNumberNotes(notebookId)
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return true
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}
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}
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return false
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}
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// 删除别人共享给我的笔记
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// 先判断我是否有权限, 笔记是否是我创建的
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func (this *TrashService) DeleteSharedNote(noteId, myUserId string) bool {
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note := noteService.GetNoteById(noteId)
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userId := note.UserId.Hex()
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if shareService.HasUpdatePerm(userId, myUserId, noteId) && note.CreatedUserId.Hex() == myUserId {
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return db.UpdateByIdAndUserId(db.Notes, noteId, userId, bson.M{"$set": bson.M{"IsTrash": true, "Usn": userService.IncrUsn(userId)}})
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}
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return false
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}
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// recover
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func (this *TrashService) recoverNote(noteId, notebookId, userId string) bool {
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re := db.UpdateByIdAndUserId(db.Notes, noteId, userId,
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bson.M{"$set": bson.M{"IsTrash": false,
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"Usn": userService.IncrUsn(userId),
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"NotebookId": bson.ObjectIdHex(notebookId)}})
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return re;
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}
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// 删除trash
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func (this *TrashService) DeleteTrash(noteId, userId string) bool {
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note := noteService.GetNote(noteId, userId);
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if note.NoteId == "" {
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return false
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}
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// delete note's attachs
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ok := attachService.DeleteAllAttachs(noteId, userId)
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// 设置删除位
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ok = db.UpdateByIdAndUserIdMap(db.Notes, noteId, userId,
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bson.M{"IsDeleted": true,
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"Usn": userService.IncrUsn(userId)})
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// delete note
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// ok = db.DeleteByIdAndUserId(db.Notes, noteId, userId)
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// delete content
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ok = db.DeleteByIdAndUserId(db.NoteContents, noteId, userId)
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// 重新统计tag's count
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// TODO 这里会改变tag's Usn
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tagService.reCountTagCount(userId, note.Tags)
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return ok
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}
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func (this *TrashService) DeleteTrashApi(noteId, userId string, usn int) (bool, string, int) {
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note := noteService.GetNote(noteId, userId)
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if note.NoteId == "" || note.IsDeleted {
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return false, "notExists", 0
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}
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if note.Usn != usn {
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return false, "conflict", 0
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}
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// delete note's attachs
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ok := attachService.DeleteAllAttachs(noteId, userId)
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// 设置删除位
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afterUsn := userService.IncrUsn(userId)
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ok = db.UpdateByIdAndUserIdMap(db.Notes, noteId, userId,
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bson.M{"IsDeleted": true,
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"Usn": afterUsn})
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// delete content
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ok = db.DeleteByIdAndUserId(db.NoteContents, noteId, userId)
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return ok, "", afterUsn
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}
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// 列出note, 排序规则, 还有分页
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// CreatedTime, UpdatedTime, title 来排序
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func (this *TrashService) ListNotes(userId string,
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pageNumber, pageSize int, sortField string, isAsc bool) (notes []info.Note) {
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_, notes = noteService.ListNotes(userId, "", true, pageNumber, pageSize, sortField, isAsc, false)
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return
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}
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