🎨 每个工作空间单独持久化 localStorage https://github.com/siyuan-note/siyuan/issues/6404

kernel/model/localstorage.go

@@ -0,0 +1,110 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package model
+
+import (
+	"os"
+	"path/filepath"
+	"sync"
+
+	"github.com/88250/gulu"
+	"github.com/siyuan-note/filelock"
+	"github.com/siyuan-note/logging"
+	"github.com/siyuan-note/siyuan/kernel/util"
+)
+
+var localStorageLock = sync.Mutex{}
+
+func RemoveLocalStorageVal(key string) (err error) {
+	localStorageLock.Lock()
+	defer localStorageLock.Unlock()
+
+	localStorage, err := getLocalStorage()
+	if nil != err {
+		return
+	}
+
+	delete(localStorage, key)
+	return
+}
+
+func SetLocalStorageVal(key string, val interface{}) (err error) {
+	localStorageLock.Lock()
+	defer localStorageLock.Unlock()
+
+	localStorage, err := getLocalStorage()
+	if nil != err {
+		return
+	}
+
+	localStorage[key] = val
+	return setLocalStorage(localStorage)
+}
+
+func SetLocalStorage(val interface{}) (err error) {
+	localStorageLock.Lock()
+	defer localStorageLock.Unlock()
+	return setLocalStorage(val)
+}
+
+func GetLocalStorage() (ret map[string]interface{}, err error) {
+	localStorageLock.Lock()
+	defer localStorageLock.Unlock()
+	return getLocalStorage()
+}
+
+func setLocalStorage(val interface{}) (err error) {
+	dirPath := filepath.Join(util.DataDir, "storage")
+	if err = os.MkdirAll(dirPath, 0755); nil != err {
+		logging.LogErrorf("create local storage dir failed: %s", err)
+		return
+	}
+
+	data, err := gulu.JSON.MarshalJSON(val)
+	if nil != err {
+		logging.LogErrorf("marshal local storage failed: %s", err)
+		return
+	}
+
+	lsPath := filepath.Join(dirPath, "local.json")
+	err = filelock.WriteFile(lsPath, data)
+	if nil != err {
+		logging.LogErrorf("write local storage failed: %s", err)
+		return
+	}
+	return
+}
+
+func getLocalStorage() (ret map[string]interface{}, err error) {
+	lsPath := filepath.Join(util.DataDir, "storage/local.json")
+	if !gulu.File.IsExist(lsPath) {
+		return
+	}
+
+	data, err := filelock.ReadFile(lsPath)
+	if nil != err {
+		logging.LogErrorf("read local storage failed: %s", err)
+		return
+	}
+
+	ret = map[string]interface{}{}
+	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
+		logging.LogErrorf("unmarshal local storage failed: %s", err)
+		return
+	}
+	return
+}