285 lines
7.2 KiB
Go
285 lines
7.2 KiB
Go
// SiYuan - Refactor your thinking
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// Copyright (c) 2020-present, b3log.org
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package model
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import (
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"errors"
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"io/fs"
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"os"
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"path"
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"path/filepath"
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"strings"
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"time"
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"github.com/88250/lute"
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"github.com/88250/lute/ast"
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"github.com/88250/lute/parse"
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"github.com/siyuan-note/filelock"
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"github.com/siyuan-note/logging"
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"github.com/siyuan-note/siyuan/kernel/av"
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"github.com/siyuan-note/siyuan/kernel/filesys"
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"github.com/siyuan-note/siyuan/kernel/sql"
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"github.com/siyuan-note/siyuan/kernel/task"
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"github.com/siyuan-note/siyuan/kernel/treenode"
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"github.com/siyuan-note/siyuan/kernel/util"
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"golang.org/x/time/rate"
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)
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func resetTree(tree *parse.Tree, titleSuffix string) {
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tree.ID = ast.NewNodeID()
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tree.Root.ID = tree.ID
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if "" != titleSuffix {
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if t, parseErr := time.Parse("20060102150405", util.TimeFromID(tree.ID)); nil == parseErr {
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titleSuffix += " " + t.Format("2006-01-02 15:04:05")
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} else {
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titleSuffix = "Duplicated " + time.Now().Format("2006-01-02 15:04:05")
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}
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titleSuffix = "(" + titleSuffix + ")"
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titleSuffix = " " + titleSuffix
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}
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tree.Root.SetIALAttr("id", tree.ID)
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tree.Root.SetIALAttr("title", tree.Root.IALAttr("title")+titleSuffix)
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tree.Root.RemoveIALAttr("scroll")
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p := path.Join(path.Dir(tree.Path), tree.ID) + ".sy"
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tree.Path = p
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tree.HPath = tree.HPath + " " + titleSuffix
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// 收集所有引用
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refIDs := map[string]string{}
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering || !treenode.IsBlockRef(n) {
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return ast.WalkContinue
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}
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defID, _, _ := treenode.GetBlockRef(n)
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if "" == defID {
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return ast.WalkContinue
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}
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refIDs[defID] = "1"
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return ast.WalkContinue
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})
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// 重置块 ID
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering || ast.NodeDocument == n.Type {
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return ast.WalkContinue
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}
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if n.IsBlock() && "" != n.ID {
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newID := ast.NewNodeID()
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if "1" == refIDs[n.ID] {
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// 如果是文档自身的内部引用
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refIDs[n.ID] = newID
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}
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n.ID = newID
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n.SetIALAttr("id", n.ID)
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}
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return ast.WalkContinue
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})
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// 重置内部引用
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering || !treenode.IsBlockRef(n) {
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return ast.WalkContinue
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}
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defID, _, _ := treenode.GetBlockRef(n)
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if "" == defID {
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return ast.WalkContinue
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}
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if "1" != refIDs[defID] {
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if ast.NodeTextMark == n.Type {
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n.TextMarkBlockRefID = refIDs[defID]
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}
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}
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return ast.WalkContinue
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})
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var attrViewIDs []string
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// 绑定镜像数据库
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering {
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return ast.WalkContinue
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}
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if ast.NodeAttributeView == n.Type {
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av.UpsertBlockRel(n.AttributeViewID, n.ID)
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attrViewIDs = append(attrViewIDs, n.AttributeViewID)
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}
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return ast.WalkContinue
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})
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// 清空文档绑定的数据库
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tree.Root.RemoveIALAttr(av.NodeAttrNameAvs)
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}
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func pagedPaths(localPath string, pageSize int) (ret map[int][]string) {
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ret = map[int][]string{}
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page := 1
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filelock.Walk(localPath, func(path string, info fs.FileInfo, err error) error {
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if info.IsDir() {
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if strings.HasPrefix(info.Name(), ".") {
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return filepath.SkipDir
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}
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return nil
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}
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if !strings.HasSuffix(info.Name(), ".sy") {
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return nil
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}
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ret[page] = append(ret[page], path)
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if pageSize <= len(ret[page]) {
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page++
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}
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return nil
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})
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return
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}
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func loadTree(localPath string, luteEngine *lute.Lute) (ret *parse.Tree, err error) {
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data, err := filelock.ReadFile(localPath)
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if nil != err {
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logging.LogErrorf("get data [path=%s] failed: %s", localPath, err)
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return
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}
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ret, err = filesys.ParseJSONWithoutFix(data, luteEngine.ParseOptions)
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if nil != err {
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logging.LogErrorf("parse json to tree [%s] failed: %s", localPath, err)
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return
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}
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return
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}
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var (
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ErrBoxNotFound = errors.New("notebook not found")
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ErrBlockNotFound = errors.New("block not found")
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ErrTreeNotFound = errors.New("tree not found")
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ErrIndexing = errors.New("indexing")
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)
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func LoadTreeByBlockIDWithReindex(id string) (ret *parse.Tree, err error) {
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// 仅提供给 getBlockInfo 接口使用
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if "" == id {
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return nil, ErrTreeNotFound
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}
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bt := treenode.GetBlockTree(id)
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if nil == bt {
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if task.ContainIndexTask() {
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err = ErrIndexing
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return
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}
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// 尝试从文件系统加载
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searchTreeInFilesystem(id)
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bt = treenode.GetBlockTree(id)
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if nil == bt {
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return nil, ErrTreeNotFound
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}
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}
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luteEngine := util.NewLute()
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ret, err = filesys.LoadTree(bt.BoxID, bt.Path, luteEngine)
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return
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}
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func LoadTreeByBlockID(id string) (ret *parse.Tree, err error) {
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if "" == id {
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return nil, ErrTreeNotFound
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}
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bt := treenode.GetBlockTree(id)
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if nil == bt {
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if task.ContainIndexTask() {
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err = ErrIndexing
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return
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}
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return nil, ErrTreeNotFound
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}
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ret, err = loadTreeByBlockTree(bt)
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return
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}
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func loadTreeByBlockTree(bt *treenode.BlockTree) (ret *parse.Tree, err error) {
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luteEngine := util.NewLute()
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ret, err = filesys.LoadTree(bt.BoxID, bt.Path, luteEngine)
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return
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}
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var searchTreeLimiter = rate.NewLimiter(rate.Every(3*time.Second), 1)
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func searchTreeInFilesystem(rootID string) {
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if !searchTreeLimiter.Allow() {
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return
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}
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msdID := util.PushMsg(Conf.language(45), 7000)
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defer util.PushClearMsg(msdID)
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logging.LogWarnf("searching tree on filesystem [rootID=%s]", rootID)
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var treePath string
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filepath.Walk(util.DataDir, func(path string, info fs.FileInfo, err error) error {
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if info.IsDir() {
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if strings.HasPrefix(info.Name(), ".") {
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return filepath.SkipDir
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}
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return nil
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}
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if !strings.HasSuffix(info.Name(), ".sy") {
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return nil
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}
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baseName := filepath.Base(path)
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if rootID+".sy" != baseName {
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return nil
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}
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treePath = path
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return filepath.SkipAll
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})
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if "" == treePath {
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logging.LogErrorf("tree not found on filesystem [rootID=%s]", rootID)
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return
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}
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boxID := strings.TrimPrefix(treePath, util.DataDir)
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boxID = boxID[1:]
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boxID = boxID[:strings.Index(boxID, string(os.PathSeparator))]
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treePath = strings.TrimPrefix(treePath, util.DataDir)
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treePath = strings.TrimPrefix(treePath, string(os.PathSeparator))
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treePath = strings.TrimPrefix(treePath, boxID)
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treePath = filepath.ToSlash(treePath)
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if nil == Conf.Box(boxID) {
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logging.LogInfof("box [%s] not found", boxID)
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// 如果笔记本不存在或者已经关闭，则不处理 https://github.com/siyuan-note/siyuan/issues/11149
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return
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}
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tree, err := filesys.LoadTree(boxID, treePath, util.NewLute())
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if nil != err {
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logging.LogErrorf("load tree [%s] failed: %s", treePath, err)
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return
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}
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treenode.UpsertBlockTree(tree)
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sql.IndexTreeQueue(tree)
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logging.LogInfof("reindexed tree by filesystem [rootID=%s]", rootID)
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}
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