♻️ Clean code

kernel/treenode/av.go

@@ -0,0 +1,58 @@
+// SiYuan - Refactor your thinking
+// 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 treenode
+
+import (
+	"path/filepath"
+
+	"github.com/siyuan-note/filelock"
+	"github.com/siyuan-note/logging"
+	"github.com/siyuan-note/siyuan/kernel/av"
+	"github.com/siyuan-note/siyuan/kernel/util"
+	"github.com/vmihailenco/msgpack/v5"
+)
+
+func GetMirrorAttrViewBlockIDs(avID string) (ret []string) {
+	av.AttributeViewBlocksLock.Lock()
+	defer av.AttributeViewBlocksLock.Unlock()
+
+	ret = []string{}
+	blocks := filepath.Join(util.DataDir, "storage", "av", "blocks.msgpack")
+	if !filelock.IsExist(blocks) {
+		return
+	}
+
+	data, err := filelock.ReadFile(blocks)
+	if nil != err {
+		logging.LogErrorf("read attribute view blocks failed: %s", err)
+		return
+	}
+
+	avBlocks := map[string][]string{}
+	if err = msgpack.Unmarshal(data, &avBlocks); nil != err {
+		logging.LogErrorf("unmarshal attribute view blocks failed: %s", err)
+		return
+	}
+
+	blockIDs := avBlocks[avID]
+	for _, blockID := range blockIDs {
+		if nil != GetBlockTree(blockID) {
+			ret = append(ret, blockID)
+		}
+	}
+	return
+}