From 13557bb96f20c1897555a82d310c3a96c819132b Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Wed, 24 Jul 2019 08:47:10 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=82=E8=80=83=E7=AD=94=E6=A1=88=E5=86=85?=
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---
 app/controllers/challenges_controller.rb | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 9b5f0b869..fdaa30305 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -230,11 +230,16 @@ class ChallengesController < ApplicationController
   def crud_answer
     raise '参考答案不能为空' if params[:challenge_answer].empty?
     raise '占比之和必须为100%' if params[:challenge_answer].map{|a| a[:score]}.sum != 100
-    @challenge.challenge_answers.destroy_all if @challenge.challenge_answers
-    params[:challenge_answer].each_with_index do |answer, index|
-      ChallengeAnswer.create(name: answer[:name], contents: answer[:contents],
-                             level: index+1, score: answer[:score], challenge_id: @challenge.id)
+    ActiveRecord::Base.transaction do
+      @challenge.challenge_answers.destroy_all if @challenge.challenge_answers
+      params[:challenge_answer].each_with_index do |answer, index|
+        # 内容为空不保存
+        next if answer[:contents].blank?
+        ChallengeAnswer.create(name: answer[:name], contents: answer[:contents],
+                               level: index+1, score: answer[:score], challenge_id: @challenge.id)
+      end
     end
+
   end
 
   # 查看参考答案接口