From bee4805d0d946bd6ec46afad7ef01e15d0e90dee Mon Sep 17 00:00:00 2001
From: t123yh <t123yh@outlook.com>
Date: Tue, 22 Aug 2017 22:01:51 +0800
Subject: [PATCH] Avoid repetitive load relationship.

---
 models/judge_state.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/models/judge_state.js b/models/judge_state.js
index 1a5dab2..dc94211 100644
--- a/models/judge_state.js
+++ b/models/judge_state.js
@@ -101,8 +101,12 @@ class JudgeState extends Model {
   }
 
   async loadRelationships() {
-    this.user = await User.fromID(this.user_id);
-    if (this.problem_id) this.problem = await Problem.fromID(this.problem_id);
+    if (!this.user) {
+      this.user = await User.fromID(this.user_id);
+    }
+    if (!this.problem) {
+      if (this.problem_id) this.problem = await Problem.fromID(this.problem_id);
+    }
   }
 
   async isAllowedVisitBy(user) {