BugFix: isExistsGrantedGroupForPageAndUser

lib/models/page-group-relation.js

@@ -176,13 +176,14 @@ class PageGroupRelation {
    * @returns is exists granted group(or not)
    * @memberof PageGroupRelation
    */
-  static isExistsGrantedGroupForPageAndUser(pageData, userData) {
-    var UserGroupRelation = PageGroupRelation.crowi.model('UserGroupRelation');
+  static async isExistsGrantedGroupForPageAndUser(pageData, userData) {
+    const UserGroupRelation = PageGroupRelation.crowi.model('UserGroupRelation');
 
-    return this.findByPage(pageData)
-      .then(pageRelation => {
-        return UserGroupRelation.isRelatedUserForGroup(userData, pageRelation.relatedGroup);
-      });
+    const pageRelation = await this.findByPage(pageData);
+    if (pageRelation == null) {
+      return false;
+    }
+    return await UserGroupRelation.isRelatedUserForGroup(userData, pageRelation.relatedGroup);
   }
 
   /**