refactor page put back method

packages/app/src/server/service/page.ts

@@ -2010,18 +2010,30 @@ class PageService {
     const includeEmpty = true;
     const originPage = await Page.findByPath(newPath, includeEmpty);
 
-    // throw if any page already exists
-    if (originPage != null) {
+    // throw if any page already exists when recursively operation
+    if (originPage != null && (!originPage.isEmpty || isRecursively)) {
       throw new PathAlreadyExistsError('already_exists', originPage.path);
     }
 
     // 2. Revert target
     const parent = await this.getParentAndFillAncestorsByUser(user, newPath);
-    const updatedPage = await Page.findByIdAndUpdate(page._id, {
+    const shouldReplace = originPage != null && originPage.isEmpty;
+    let updatedPage = await Page.findByIdAndUpdate(page._id, {
       $set: {
-        path: newPath, status: Page.STATUS_PUBLISHED, lastUpdateUser: user._id, deleteUser: null, deletedAt: null, parent: parent._id, descendantCount: 0,
+        path: newPath,
+        status: Page.STATUS_PUBLISHED,
+        lastUpdateUser: user._id,
+        deleteUser: null,
+        deletedAt: null,
+        parent: parent._id,
+        descendantCount: shouldReplace ? originPage.descendantCount : 0,
       },
     }, { new: true });
+
+    if (shouldReplace) {
+      updatedPage = await Page.replaceTargetWithPage(originPage, updatedPage, true);
+    }
+
     await PageTagRelation.updateMany({ relatedPage: page._id }, { $set: { isPageTrashed: false } });
 
     this.pageEvent.emit('revert', page, user);