fixbug

app/helpers/exercises_helper.rb

@@ -89,7 +89,7 @@ module ExercisesHelper
     percent = 0.0
     questions.includes(:exercise_choices).each do |ex|
       ex_total_score = user_ids.count * ex&.question_score   #该试卷的已回答的总分
-      ex_answers = ex.exercise_answers.includes(:exercise_choice)
+      ex_answers = ex.exercise_answers
       if ex.question_type != Exercise::PRACTICAL
         ques_title = ex.question_title
         ques_less_title = nil
@@ -111,18 +111,20 @@ module ExercisesHelper
 
       question_answer_infos = []
       if ex.question_type <= Exercise::JUDGMENT  #选择题和判断题
+        ex_choices = ex.exercise_choices
         standard_answer = ex.exercise_standard_answers.pluck(:exercise_choice_id).sort   #标准答案的位置
         right_users_count = 0  #该问题的回答正确的人数
-
         user_ids.each do |user_id|
-          answer_choice_array = ex.exercise_choices.where(id:effictive_users.map{|e| e.exercise_choice_id if e.user_id == user_id}).pluck(:choice_position).uniq
+          ex_choice_ids = effictive_users.map{|e| e.exercise_choice_id if e.user_id == user_id}.reject(&:blank?).uniq
+          # answer_choice_array = ex_choices.where(id:ex_choice_ids).pluck(:choice_position)
+          answer_choice_array = ex_choices.map{|a| a.choice_position if ex_choice_ids.include?(a.id)}.reject(&:blank?).uniq
           if answer_choice_array.sort == standard_answer
             right_users_count += 1
           end
         end
 
         percent = effictive_users_count > 0 ? (right_users_count / effictive_users_count.to_f).round(3)*100 : 0.0
-        ex.exercise_choices.each do |c|
+        ex_choices.each do |c|
           right_answer = standard_answer.include?(c.choice_position)   #选项的标准答案为选项的位置
           answer_this_choice = effictive_users.search_exercise_answer("exercise_choice_id",c.id)
           answer_users_count = answer_this_choice.size

app/models/game.rb

@@ -31,7 +31,7 @@ class Game < ApplicationRecord
 
   # 根据得分比例来算实际得分(试卷、实训作业)
   def real_score score
-    final_score == challenge.score ? score : (final_score.to_f / challenge.score) * score
+    (final_score.to_f / challenge.all_score) * score
   end
 
   # 判断实训是否全部通关