From 9a610cae0aadf36f9e08df7b9761962b4290a472 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Thu, 29 Jan 2026 10:28:48 +0800
Subject: [PATCH] :art: Supports cleaning up unreferenced databases
 https://github.com/siyuan-note/siyuan/issues/11569

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/model/assets.go         | 32 ++++++++++++++------------------
 kernel/model/attribute_view.go | 17 +++++------------
 2 files changed, 19 insertions(+), 30 deletions(-)

diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index 8824ce383..77de9640b 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -738,7 +738,7 @@ func RemoveUnusedAssets() (ret []string) {
 
 	var hashes []string
 	for _, unusedAsset := range unusedAssets {
-		p := unusedAsset["item"].(string)
+		p := unusedAsset.Item
 		historyPath := filepath.Join(historyDir, p)
 		if p = filepath.Join(util.DataDir, p); filelock.IsExist(p) {
 			if filelock.IsHidden(p) {
@@ -758,7 +758,7 @@ func RemoveUnusedAssets() (ret []string) {
 	sql.BatchRemoveAssetsQueue(hashes)
 
 	for _, unusedAsset := range unusedAssets {
-		p := unusedAsset["item"].(string)
+		p := unusedAsset.Item
 		absPath := filepath.Join(util.DataDir, p)
 		if filelock.IsExist(absPath) {
 			info, statErr := os.Stat(absPath)
@@ -967,9 +967,14 @@ func RenameAsset(oldPath, newName string) (newPath string, err error) {
 	return
 }
 
-func UnusedAssets() (ret []map[string]any) {
+type UnusedItem struct {
+	Item string `json:"item"`
+	Name string `json:"name"`
+}
+
+func UnusedAssets() (ret []*UnusedItem) {
 	defer logging.Recover()
-	ret = []map[string]any{}
+	ret = []*UnusedItem{}
 
 	assetsPathMap, err := allAssetAbsPaths()
 	if err != nil {
@@ -1124,17 +1129,14 @@ func UnusedAssets() (ret []map[string]any) {
 			p = p[1:]
 		}
 		name := util.RemoveID(path.Base(p))
-		ret = append(ret, map[string]any{
-			"item": p,
-			"name": name,
-		})
+		ret = append(ret, &UnusedItem{Item: p, Name: name})
 	}
 	return
 }
 
-func MissingAssets() (ret []map[string]any) {
+func MissingAssets() (ret []*UnusedItem) {
 	defer logging.Recover()
-	ret = []map[string]any{}
+	ret = []*UnusedItem{}
 
 	assetsPathMap, err := allAssetAbsPaths()
 	if err != nil {
@@ -1203,17 +1205,11 @@ func MissingAssets() (ret []map[string]any) {
 					// Assets starting with `.` should not be considered missing assets https://github.com/siyuan-note/siyuan/issues/8821
 					if !filelock.IsExist(filepath.Join(util.DataDir, dest)) {
 						name := util.RemoveID(path.Base(dest))
-						ret = append(ret, map[string]any{
-							"item": dest,
-							"name": name,
-						})
+						ret = append(ret, &UnusedItem{Item: dest, Name: name})
 					}
 				} else {
 					name := util.RemoveID(path.Base(dest))
-					ret = append(ret, map[string]any{
-						"item": dest,
-						"name": name,
-					})
+					ret = append(ret, &UnusedItem{Item: dest, Name: name})
 				}
 				continue
 			}
diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index 252ce0811..b1751a2d1 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -97,7 +97,7 @@ func RemoveUnusedAttributeViews() (ret []string) {
 	}
 
 	for _, unusedAv := range unusedAttributeViews {
-		id := unusedAv["id"].(string)
+		id := unusedAv.Item
 		srcPath := filepath.Join(util.DataDir, "storage", "av", id+".json")
 		if filelock.IsExist(srcPath) {
 			historyPath := filepath.Join(historyDir, "storage", "av", id+".json")
@@ -108,7 +108,7 @@ func RemoveUnusedAttributeViews() (ret []string) {
 	}
 
 	for _, unusedAv := range unusedAttributeViews {
-		id := unusedAv["id"].(string)
+		id := unusedAv.Item
 		absPath := filepath.Join(util.DataDir, "storage", "av", id+".json")
 		if filelock.IsExist(absPath) {
 			info, statErr := os.Stat(absPath)
@@ -132,9 +132,9 @@ func RemoveUnusedAttributeViews() (ret []string) {
 	return
 }
 
-func UnusedAttributeViews() (ret []map[string]any) {
+func UnusedAttributeViews() (ret []*UnusedItem) {
 	defer logging.Recover()
-	ret = []map[string]any{}
+	ret = []*UnusedItem{}
 
 	allAvIDs, err := getAllAvIDs()
 	if err != nil {
@@ -172,16 +172,9 @@ func UnusedAttributeViews() (ret []map[string]any) {
 	for _, id := range allAvIDs {
 		if !docReferencedAvIDs[id] && !isRelatedSrcAvDocReferenced(id, docReferencedAvIDs, checkedAvIDs) {
 			name, _ := av.GetAttributeViewName(id)
-			ret = append(ret, map[string]any{
-				"item": id,
-				"name": name,
-			})
+			ret = append(ret, &UnusedItem{Item: id, Name: name})
 		}
 	}
-
-	if 1 > len(ret) {
-		ret = []map[string]any{}
-	}
 	return
 }