试卷的填空题的统计结果问题修改

app/helpers/exercises_helper.rb

@@ -120,21 +120,7 @@ module ExercisesHelper
       if ex.question_type > Exercise::COMPLETION  #当为主观题和实训题时，
         ex_answered_scores = effictive_users.score_reviewed.pluck(:score).sum  #该问题的全部得分
         percent = (ex_total_score == 0.0 ? 0.0 : (ex_answered_scores / ex_total_score.to_f).round(3) * 100)  #正确率
-
       end
-
-      # if ex.question_type != Exercise::MULTIPLE
-      #   ex_answered_scores = effictive_users.score_reviewed.pluck(:score).sum  #该问题的全部得分
-      #   percent = (ex_total_score == 0.0 ? 0.0 : (ex_answered_scores / ex_total_score.to_f).round(3) * 100)  #正确率
-      # else
-      #   multiple_score = 0
-      #   user_ids.each do |user_id|
-      #     ex_answer_score = ex_answers.select{|answer| answer.user_id == user_id}&.first&.score.to_f
-      #     multiple_score += ex_answer_score
-      #   end
-      #   percent = (ex_total_score == 0.0 ? 0.0 : (multiple_score / ex_total_score.to_f).round(3) * 100)  #正确率
-      # end
-
       question_answer_infos = []
       if ex.question_type <= Exercise::JUDGMENT  #选择题和判断题
         ex_choices = ex.exercise_choices
@@ -178,19 +164,22 @@ module ExercisesHelper
           question_answer_infos.push(answer_option)
         end
       elsif ex.question_type == Exercise::COMPLETION  #填空题
+        effictive_users_count = effictive_users.pluck(:user_id).uniq.size
+
         ex_ordered = ex.is_ordered
         null_standard_answer = ex.exercise_standard_answers
         null_stand_choice = null_standard_answer.pluck(:exercise_choice_id)  #一个exercise_choice_id可能对应多个answer_text
-        null_stand_text = null_standard_answer.pluck(:answer_text).reject(&:blank?)
+        null_stand_text = null_standard_answer.pluck(:answer_text)
         standard_answer_count = 0
         each_null_score = null_stand_choice.size > 0 ? (ex&.question_score.to_f / null_stand_choice.uniq.size).round(3) : 0.0
         all_user_count = 0
 
         if ex_ordered
           null_stand_choice.each_with_index do |s,index|
-            user_count = 0
             s_choice_text = null_stand_text[index]
-            user_count = user_count + effictive_users.select{|answer| answer.exercise_choice_id == s && answer.answer_text == s_choice_text}.size
+            user_count = 0
+            user_count = user_count + effictive_users.select{|answer| answer.exercise_choice_id == s && answer.answer_text == s_choice_text}.pluck(:user_id).uniq.size
+            # user_count = user_count + effictive_users.select{|answer| answer.exercise_choice_id == s && answer.answer_text == s_choice_text}.size
             answer_percent = ((effictive_users_count == 0) ? 0.0 : (user_count / effictive_users_count.to_f ).round(3))
             answer_option = {
               :choice_position => index+1,
@@ -212,7 +201,7 @@ module ExercisesHelper
               user_count = cycled_stand["#{stand}"]
               calculate_user_count = 0
             else
-              user_count = user_count + effictive_users.select{|answer| answer.answer_text == stand }.size
+              user_count = user_count + effictive_users.select{|answer| answer.answer_text == stand }.pluck(:user_id).uniq.size
               cycled_stand.store(stand, user_count)
               calculate_user_count = user_count
             end