实训首页权限控制错误

app/controllers/subjects_controller.rb

@@ -82,8 +82,8 @@ class SubjectsController < ApplicationController
     @is_creator = current_user.creator_of_subject?(@subject)
     # 合作团队
     @members = @subject.subject_members.includes(:user)
-    shixun_ids = @subject.shixuns.published.pluck(:id)
-    challenge_ids = Challenge.where(shixun_id: shixun_ids).pluck(:id)
+    @shixuns = @subject.shixuns.published.pluck(:id)
+    challenge_ids = Challenge.where(shixun_id: @shixuns).pluck(:id)
     # 实训路径中的所有实训标签
     @tags = ChallengeTag.where(challenge_id: challenge_ids).pluck(:name).uniq
     # 用户获取的实训标签

app/helpers/subjects_helper.rb

@@ -1,10 +1,10 @@
 module SubjectsHelper
 
   # 实训路径的发布状态
-  def publish_status subject, is_manager, user
+  def publish_status subject, is_manager, user, shixuns
     status = -1
     if is_manager
-      status = 0 if subject.status == 0 && subject.shixuns_count > 0
+      status = 0 if subject.status == 0 && shixuns.count > 0
       status = 1 if subject.status == 1
       status = 2 if subject.status == 2 && user.admin?
     end

app/views/subjects/show.json.jbuilder

@@ -6,7 +6,7 @@ json.subject_score @subject.all_score
 json.member_count @subject.member_count
 
 json.allow_delete @is_creator && (@subject.status != 2 || @user.admin?)
-json.publish_status publish_status(@subject, @is_creator, @user)
+json.publish_status publish_status(@subject, @is_creator, @user, @shixuns)
 json.allow_statistics @user.manager_of_subject?(@subject)
 json.allow_send @user.logged?
 json.allow_visit @user.manager_of_subject?(@subject) || @user.admin? || @subject.status > 1