From 3fb296c88c1dec3e06205f9e6308bfe735978000 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Fri, 3 Feb 2023 23:37:46 +0800
Subject: [PATCH] =?UTF-8?q?:bug:=20=E6=90=9C=E7=B4=A2=E5=A4=84=E4=BA=8E?=
 =?UTF-8?q?=E6=8A=98=E5=8F=A0=E7=8A=B6=E6=80=81=E7=9A=84=E5=9D=97=E6=97=B6?=
 =?UTF-8?q?=E6=9C=AA=E8=81=9A=E7=84=A6=E6=98=BE=E7=A4=BA=E7=BB=93=E6=9E=9C?=
 =?UTF-8?q?=20Fix=20https://github.com/siyuan-note/siyuan/issues/7252?=
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---
 kernel/api/block.go   | 14 +-------------
 kernel/model/block.go | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/kernel/api/block.go b/kernel/api/block.go
index 13269d5dd..71d0a54e6 100644
--- a/kernel/api/block.go
+++ b/kernel/api/block.go
@@ -154,19 +154,7 @@ func checkBlockFold(c *gin.Context) {
 	}
 
 	id := arg["id"].(string)
-	b, err := model.GetBlock(id, nil)
-	if errors.Is(err, filelock.ErrUnableAccessFile) {
-		ret.Code = 2
-		ret.Data = id
-		return
-	}
-	if errors.Is(err, model.ErrIndexing) {
-		ret.Code = 0
-		ret.Data = false
-		return
-	}
-
-	ret.Data = nil != b && "1" == b.IAL["fold"]
+	ret.Data = model.IsBlockFolded(id)
 }
 
 func checkBlockExist(c *gin.Context) {
diff --git a/kernel/model/block.go b/kernel/model/block.go
index d0775aeb7..b9b51f668 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -87,6 +87,22 @@ type Path struct {
 	Created string `json:"created"` // 创建时间
 }
 
+func IsBlockFolded(id string) bool {
+	for i := 0; i < 32; i++ {
+		b, _ := getBlock(id, nil)
+		if nil == b {
+			return true
+		}
+
+		if "1" == b.IAL["fold"] {
+			return true
+		}
+
+		id = b.ParentID
+	}
+	return false
+}
+
 func RecentUpdatedBlocks() (ret []*Block) {
 	ret = []*Block{}