From 558f1cdabc705fce03cc40775b5acd8297f297db Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Sun, 4 Jun 2023 10:30:19 +0800
Subject: [PATCH] :art: Support for listing missing files in Settings - Assets
 https://github.com/siyuan-note/siyuan/issues/8383

---
 kernel/api/asset.go    | 10 +++++++
 kernel/api/router.go   |  1 +
 kernel/conf/search.go  |  2 ++
 kernel/model/assets.go | 66 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 79 insertions(+)

diff --git a/kernel/api/asset.go b/kernel/api/asset.go
index 9e1d94220..8de72d5a3 100644
--- a/kernel/api/asset.go
+++ b/kernel/api/asset.go
@@ -210,6 +210,16 @@ func getUnusedAssets(c *gin.Context) {
 	}
 }
 
+func getMissingAssets(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	missingAssets := model.MissingAssets()
+	ret.Data = map[string]interface{}{
+		"missingAssets": missingAssets,
+	}
+}
+
 func resolveAssetPath(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index f41165aa4..93143da0e 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -224,6 +224,7 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/asset/setFileAnnotation", model.CheckAuth, model.CheckReadonly, setFileAnnotation)
 	ginServer.Handle("POST", "/api/asset/getFileAnnotation", model.CheckAuth, getFileAnnotation)
 	ginServer.Handle("POST", "/api/asset/getUnusedAssets", model.CheckAuth, getUnusedAssets)
+	ginServer.Handle("POST", "/api/asset/getMissingAssets", model.CheckAuth, getMissingAssets)
 	ginServer.Handle("POST", "/api/asset/removeUnusedAsset", model.CheckAuth, model.CheckReadonly, removeUnusedAsset)
 	ginServer.Handle("POST", "/api/asset/removeUnusedAssets", model.CheckAuth, model.CheckReadonly, removeUnusedAssets)
 	ginServer.Handle("POST", "/api/asset/getDocImageAssets", model.CheckAuth, model.CheckReadonly, getDocImageAssets)
diff --git a/kernel/conf/search.go b/kernel/conf/search.go
index 985f2dbbe..a4672724c 100644
--- a/kernel/conf/search.go
+++ b/kernel/conf/search.go
@@ -83,6 +83,8 @@ func NewSearch() *Search {
 		Memo:  true,
 		IAL:   false,
 
+		IndexAssetPath: true,
+
 		BacklinkMentionName:          true,
 		BacklinkMentionAlias:         false,
 		BacklinkMentionAnchor:        true,
diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index d0626564b..b7d406287 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -680,6 +680,72 @@ func UnusedAssets() (ret []string) {
 	return
 }
 
+func MissingAssets() (ret []string) {
+	defer logging.Recover()
+	ret = []string{}
+
+	assetsPathMap, err := allAssetAbsPaths()
+	if nil != err {
+		return
+	}
+	notebooks, err := ListNotebooks()
+	if nil != err {
+		return
+	}
+	luteEngine := util.NewLute()
+	for _, notebook := range notebooks {
+		dests := map[string]bool{}
+
+		pages := pagedPaths(filepath.Join(util.DataDir, notebook.ID), 32)
+		for _, paths := range pages {
+			var trees []*parse.Tree
+			for _, localPath := range paths {
+				tree, loadTreeErr := loadTree(localPath, luteEngine)
+				if nil != loadTreeErr {
+					continue
+				}
+				trees = append(trees, tree)
+			}
+			for _, tree := range trees {
+				for _, d := range assetsLinkDestsInTree(tree) {
+					dests[d] = true
+				}
+
+				if titleImgPath := treenode.GetDocTitleImgPath(tree.Root); "" != titleImgPath {
+					// 题头图计入
+					if !util.IsAssetLinkDest([]byte(titleImgPath)) {
+						continue
+					}
+					dests[titleImgPath] = true
+				}
+			}
+		}
+
+		for dest, _ := range dests {
+			if !strings.HasPrefix(dest, "assets/") {
+				continue
+			}
+
+			if idx := strings.Index(dest, "?"); 0 < idx {
+				dest = dest[:idx]
+			}
+
+			if strings.HasSuffix(dest, "/") {
+				continue
+			}
+
+			if "" == assetsPathMap[dest] {
+				ret = append(ret, dest)
+				continue
+			}
+
+		}
+	}
+
+	sort.Strings(ret)
+	return
+}
+
 func emojisInTree(tree *parse.Tree) (ret []string) {
 	ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
 		if !entering {