add func

src/server/service/page.js

@@ -4,6 +4,26 @@ class PageService {
     this.crowi = crowi;
   }
 
+  serializeToObj(page) {
+    const { User } = this.crowi.models;
+
+    const returnObj = page.toObject();
+
+    // set the ObjectID to revisionHackmdSynced
+    if (page.revisionHackmdSynced != null && page.revisionHackmdSynced._id != null) {
+      returnObj.revisionHackmdSynced = page.revisionHackmdSynced._id;
+    }
+
+    if (page.lastUpdateUser != null && page.lastUpdateUser instanceof User) {
+      returnObj.lastUpdateUser = page.lastUpdateUser.toObject();
+    }
+    if (page.creator != null && page.creator instanceof User) {
+      returnObj.creator = page.creator.toObject();
+    }
+
+    return returnObj;
+  }
+
   async deleteCompletely(pageId, pagePath) {
     // Delete Bookmarks, Attachments, Revisions, Pages and emit delete
     const Bookmark = this.crowi.model('Bookmark');