empty page operation collection

packages/app/src/server/crowi/index.js

@@ -682,6 +682,7 @@ Crowi.prototype.setupPageService = async function() {
   }
   if (this.pageOperationService == null) {
     this.pageOperationService = new PageOperationService(this);
+    await this.pageOperationService.initPageOperation();
   }
 };
 

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

@@ -10,9 +10,10 @@ class PageOperationService {
 
   constructor(crowi) {
     this.crowi = crowi;
+  }
 
-    // TODO: Remove this code when resuming feature is implemented
-    PageOperation.deleteMany({});
+  async initPageOperation():Promise<void> {
+    await PageOperation.deleteMany({});
   }
 
   /**