From e321c639a7b3ee4ea350b333da0230c7edc833fd Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Sat, 24 May 2025 11:58:56 +0800
Subject: [PATCH] :art: Update the `parent_id` of blocks below a heading block
 when updating the heading block
 https://github.com/siyuan-note/siyuan/issues/14871

---
 kernel/sql/database.go  | 24 ++----------------------
 kernel/treenode/tree.go |  7 ++++++-
 2 files changed, 8 insertions(+), 23 deletions(-)

diff --git a/kernel/sql/database.go b/kernel/sql/database.go
index c14c6568e..f2349d204 100644
--- a/kernel/sql/database.go
+++ b/kernel/sql/database.go
@@ -849,7 +849,7 @@ func buildBlockFromNode(n *ast.Node, tree *parse.Tree) (block *Block, attributes
 		fcontent = NodeStaticContent(fc, nil, true, false, true)
 
 		parentID = n.Parent.ID
-		if h := heading(n); nil != h { // 如果在标题块下方，则将标题块作为父节点
+		if h := treenode.HeadingParent(n); nil != h { // 如果在标题块下方，则将标题块作为父节点
 			parentID = h.ID
 		}
 		length = utf8.RuneCountInString(fcontent)
@@ -861,7 +861,7 @@ func buildBlockFromNode(n *ast.Node, tree *parse.Tree) (block *Block, attributes
 		content = NodeStaticContent(n, nil, true, indexAssetPath, true)
 
 		parentID = n.Parent.ID
-		if h := heading(n); nil != h {
+		if h := treenode.HeadingParent(n); nil != h {
 			parentID = h.ID
 		}
 		length = utf8.RuneCountInString(content)
@@ -945,26 +945,6 @@ func tagFromNode(node *ast.Node) (ret string) {
 	return strings.TrimSpace(tagBuilder.String())
 }
 
-func heading(node *ast.Node) *ast.Node {
-	if nil == node {
-		return nil
-	}
-
-	currentLevel := 16
-	if ast.NodeHeading == node.Type {
-		currentLevel = node.HeadingLevel
-	}
-
-	for prev := node.Previous; nil != prev; prev = prev.Previous {
-		if ast.NodeHeading == prev.Type {
-			if prev.HeadingLevel < currentLevel {
-				return prev
-			}
-		}
-	}
-	return nil
-}
-
 func deleteByBoxTx(tx *sql.Tx, box string) (err error) {
 	if err = deleteBlocksByBoxTx(tx, box); err != nil {
 		return
diff --git a/kernel/treenode/tree.go b/kernel/treenode/tree.go
index 5ea5452f5..f089c39ac 100644
--- a/kernel/treenode/tree.go
+++ b/kernel/treenode/tree.go
@@ -44,9 +44,14 @@ func NodeHash(node *ast.Node, tree *parse.Tree, luteEngine *lute.Lute) string {
 	}
 	hpath := tree.HPath
 	data := tree.Box + tree.Path + hpath + string(ial) + md
+	var parentID string
 	if nil != node.Parent {
-		data += node.Parent.ID
+		parentID = node.Parent.ID
 	}
+	if h := HeadingParent(node); nil != h {
+		parentID = h.ID
+	}
+	data += parentID
 	return fmt.Sprintf("%x", sha256.Sum256(gulu.Str.ToBytes(data)))[:7]
 }