func (this *TrashService) DeleteTrashApi(noteId, userId string, usn int) (bool, string, int) {
note := noteService.GetNote(noteId, userId)
if note.NoteId == "" || note.IsDeleted {
return false, "notExists", 0
}
if note.Usn != usn {
return false, "conflict", 0
}
// delete note's attachs
ok := attachService.DeleteAllAttachs(noteId, userId)
// 设置删除位
afterUsn := userService.IncrUsn(userId)
ok = db.UpdateByIdAndUserIdMap(db.Notes, noteId, userId,
bson.M{"IsDeleted": true,
"Usn": afterUsn})
// delete content
ok = db.DeleteByIdAndUserId(db.NoteContents, noteId, userId)
return ok, "", afterUsn
}
// delete image
func (this *FileService) DeleteImage(userId, fileId string) (bool, string) {
file := info.File{}
db.GetByIdAndUserId(db.Files, fileId, userId, &file)
if file.FileId != "" {
if db.DeleteByIdAndUserId(db.Files, fileId, userId) {
// delete image
// TODO
file.Path = strings.TrimLeft(file.Path, "/")
var err error
if strings.HasPrefix(file.Path, "upload") {
Log(file.Path)
err = os.Remove(revel.BasePath + "/public/" + file.Path)
} else {
err = os.Remove(revel.BasePath + "/" + file.Path)
}
if err == nil {
return true, ""
}
return false, "delete file error!"
}
return false, "db error"
}
return false, "no such item"
}
// delete album
// presupposition: has no images under this ablum
func (this *AlbumService) DeleteAlbum(userId, albumId string) (bool, string) {
if db.Count(db.Files, bson.M{"AlbumId": bson.ObjectIdHex(albumId),
"UserId": bson.ObjectIdHex(userId),
}) == 0 {
return db.DeleteByIdAndUserId(db.Albums, albumId, userId), ""
}
return false, "has images"
}
// 删除页面
func (this *BlogService) DeleteSingle(userId, singleId string) (ok bool) {
ok = db.DeleteByIdAndUserId(db.BlogSingles, singleId, userId)
if ok {
// 还要修改UserBlog中的Singles
this.updateBlogSingles(userId, true, false, singleId, "", "")
}
return
}
// API调用, 删除笔记本, 不作笔记控制
func (this *NotebookService) DeleteNotebookForce(userId, notebookId string, usn int) (bool, string) {
notebook := this.GetNotebookById(notebookId)
// 不存在
if notebook.NotebookId == "" {
return false, "notExists"
} else if notebook.Usn != usn {
return false, "conflict"
}
return db.DeleteByIdAndUserId(db.Notebooks, notebookId, userId), ""
}
// 删除分组
// 判断是否有好友
func (this *GroupService) DeleteGroup(userId, groupId string) (ok bool, msg string) {
/*
if db.Has(db.GroupUsers, bson.M{"GroupId": bson.ObjectIdHex(groupId)}) {
return false, "groupHasUsers"
}
*/
if !this.isMyGroup(userId, groupId) {
return false, "notMyGroup"
}
// 删除分组后, 需要删除所有用户分享到该组的笔记本, 笔记
shareService.DeleteAllShareNotebookGroup(groupId)
shareService.DeleteAllShareNoteGroup(groupId)
db.DeleteAll(db.GroupUsers, bson.M{"GroupId": bson.ObjectIdHex(groupId)})
return db.DeleteByIdAndUserId(db.Groups, groupId, userId), ""
// TODO 删除分组后, 在shareNote, shareNotebook中也要删除
}
// 删除trash
func (this *TrashService) DeleteTrash(noteId, userId string) bool {
note := noteService.GetNote(noteId, userId)
if note.NoteId == "" {
return false
}
// delete note's attachs
ok := attachService.DeleteAllAttachs(noteId, userId)
// 设置删除位
ok = db.UpdateByIdAndUserIdMap(db.Notes, noteId, userId,
bson.M{"IsDeleted": true,
"Usn": userService.IncrUsn(userId)})
// delete note
// ok = db.DeleteByIdAndUserId(db.Notes, noteId, userId)
// delete content
ok = db.DeleteByIdAndUserId(db.NoteContents, noteId, userId)
// 重新统计tag's count
// TODO 这里会改变tag's Usn
tagService.reCountTagCount(userId, note.Tags)
return ok
}