关卡通关情况优化

app/controllers/challenges_controller.rb

@@ -151,10 +151,8 @@ class ChallengesController < ApplicationController
   def index
     uid_logger("identifier: #{params}")
     # 通过调试发现 这里includes(:games)性能会慢10倍
-    # @challenges = @shixun.challenges.fields_for_list
-    @challenges = Challenge.fields_for_list.where(shixun_id: @shixun.id)
 
-    # @challenges = Challenge.includes(:games).where("games.user_id" => 12).where(shixun_id: @shixun.id)
+    @challenges = @shixun.challenges.fields_for_list.includes(:games).where("games.user_id" => current_user.id)
 
     @editable = current_user.manager_of_shixun?(@shixun) && @shixun.status == 0
     @user = current_user

app/models/challenge.rb

@@ -52,7 +52,7 @@ class Challenge < ApplicationRecord
 
   # 开启挑战
   def open_game user_id, shixun
-    game = self.games.select([:status, :identifier]).where(user_id: user_id).first
+    game = self.games.first
     if game.present?
       shixun.task_pass || game.status != 3 ? "/tasks/#{game.identifier}" : ""
     else
@@ -76,7 +76,7 @@ class Challenge < ApplicationRecord
   ## 用户关卡状态 0: 不能开启实训; 1:直接开启; 2表示已完成
   def user_tpi_status user_id
     # todo: 以前没加索引导致相同关卡,同一用户有多个games
-    game = games.select{|game| game.user_id == user_id }.last
+    game = games.last
 
     if game.blank?
       self.position == 1 ? 1 : 0