mirror of
https://github.com/siyuan-note/siyuan.git
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120 lines
3.0 KiB
Go
120 lines
3.0 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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//go:build !darwin
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package model
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import (
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"os"
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"path/filepath"
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"time"
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"github.com/88250/gulu"
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"github.com/fsnotify/fsnotify"
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"github.com/siyuan-note/logging"
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"github.com/siyuan-note/siyuan/kernel/cache"
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"github.com/siyuan-note/siyuan/kernel/util"
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)
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var assetsWatcher *fsnotify.Watcher
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func WatchAssets() {
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if util.ContainerAndroid == util.Container || util.ContainerIOS == util.Container || util.ContainerHarmony == util.Container {
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return
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}
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go func() {
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watchAssets()
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}()
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}
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func watchAssets() {
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assetsDir := filepath.Join(util.DataDir, "assets")
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if nil != assetsWatcher {
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assetsWatcher.Close()
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}
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var err error
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if assetsWatcher, err = fsnotify.NewWatcher(); err != nil {
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logging.LogErrorf("add assets watcher for folder [%s] failed: %s", assetsDir, err)
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return
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}
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go func() {
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defer logging.Recover()
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var (
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timer *time.Timer
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lastEvent fsnotify.Event
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)
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timer = time.NewTimer(100 * time.Millisecond)
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<-timer.C // timer should be expired at first
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for {
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select {
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case event, ok := <-assetsWatcher.Events:
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if !ok {
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return
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}
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lastEvent = event
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timer.Reset(time.Millisecond * 100)
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if lastEvent.Op&fsnotify.Rename == fsnotify.Rename || lastEvent.Op&fsnotify.Write == fsnotify.Write {
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IndexAssetContent(lastEvent.Name)
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} else if lastEvent.Op&fsnotify.Remove == fsnotify.Remove {
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RemoveIndexAssetContent(lastEvent.Name)
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}
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case err, ok := <-assetsWatcher.Errors:
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if !ok {
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return
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}
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logging.LogErrorf("watch assets failed: %s", err)
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case <-timer.C:
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//logging.LogInfof("assets changed: %s", lastEvent)
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if lastEvent.Op&fsnotify.Write == fsnotify.Write {
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IncSync()
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}
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// 重新缓存资源文件，以便使用 /资源 搜索
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go cache.LoadAssets()
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if lastEvent.Op&fsnotify.Remove == fsnotify.Remove {
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RemoveIndexAssetContent(lastEvent.Name)
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} else {
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IndexAssetContent(lastEvent.Name)
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}
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}
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}
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}()
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if !gulu.File.IsDir(assetsDir) {
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os.MkdirAll(assetsDir, 0755)
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}
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if err = assetsWatcher.Add(assetsDir); err != nil {
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logging.LogErrorf("add assets watcher for folder [%s] failed: %s", assetsDir, err)
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}
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//logging.LogInfof("added file watcher [%s]", assetsDir)
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}
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func CloseWatchAssets() {
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if nil != assetsWatcher {
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assetsWatcher.Close()
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}
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}
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