优化搜索结果

app/controllers/subjects_controller.rb

@@ -140,11 +140,10 @@ class SubjectsController < ApplicationController
     @type = params[:type]
     # 超级管理员用户显示所有未隐藏的实训、非管理员显示合作团队用户的实训（对本单位公开且未隐藏）
     if current_user.admin?
-      @shixuns = Shixun.select([:id, :name, :status, :myshixuns_count, :identifier]).where(hidden: 0)
+      @shixuns = Shixun.select([:id, :name, :status, :myshixuns_count, :identifier, :averge_star]).where(hidden: 0)
     else
       none_shixun_ids = ShixunSchool.where("school_id != #{current_user.user_extension.try(:school_id).to_i}").pluck(:shixun_id)
-
-      @shixuns = Shixun.select([:id, :name, :status, :myshixuns_count, :identifier]).where.not(id: none_shixun_ids).where(hidden: 0)
+      @shixuns = Shixun.select([:id, :name, :status, :myshixuns_count, :identifier, :averge_star]).where.not(id: none_shixun_ids).where(hidden: 0)
     end
 
     # 实训课程的所有标签

app/helpers/application_helper.rb

@@ -168,7 +168,8 @@ module ApplicationHelper
 
   # 选用实训的学校情况
   def school_user_detail shixun
-    school_ids = shixun.myshixuns.joins("join user_extensions ue on myshixuns.user_id=ue.user_id").pluck(:school_id).uniq
+    user_ids = shixun.myshixuns.select{|myshixun| myshixun.user_id}.uniq # 走缓存取数据
+    school_ids = UserExtension.where(user_id:user_ids).pluck(:school_id).uniq
     school_names = School.where(id: school_ids[0..1]).pluck(:name)
     school_size = school_ids.size
     str = school_size > 0 ? "#{school_names.join("、")}等 #{school_size}所" : "0所"

app/views/shixuns/_choose_shixun.json.jbuilder

@@ -10,5 +10,5 @@ json.array! shixuns do |shixun|
   json.shixun_name shixun.name
   json.myshixuns_count shixun.myshixuns_count
   json.school_users school_user_detail(shixun)
-  json.preference format("%.1f", shixun.shixun_preference)
+  json.preference format("%.1f", shixun.averge_star)
 end