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试卷统计结果的优化

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SylorHuang 6 years ago
parent 977bfd0a13
commit 8036c6eb85
1 changed files with 21 additions and 34 deletions
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app/helpers/exercises_helper.rb
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@ -88,8 +88,8 @@ module ExercisesHelper
question_infos = [] question_infos = []
percent = 0.0 percent = 0.0
questions.includes(:exercise_choices).each do |ex| 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_total_score = user_ids.count * ex&.question_score.to_f #该试卷的已回答的总分
ex_answers = ex.exercise_answers # ex_answers = ex.exercise_answers
if ex.question_type != Exercise::PRACTICAL if ex.question_type != Exercise::PRACTICAL
ques_title = ex.question_title ques_title = ex.question_title
ques_less_title = nil ques_less_title = nil
@ -98,23 +98,23 @@ module ExercisesHelper
else else
ques_title = ex.shixun.name ques_title = ex.shixun.name
ques_less_title = ex.question_title ques_less_title = ex.question_title
effictive_users = ex.exercise_shixun_answers.search_shixun_answers("user_id",user_ids) ex_answers = ex.exercise_shixun_answers
effictive_users = ex_answers.search_shixun_answers("user_id",user_ids)
end end
effictive_users_count = effictive_users.size #有效回答数，可能有重复的用户id，这里仅统计是否回答这个问题的全部人数 effictive_users_count = effictive_users.size #有效回答数，可能有重复的用户id，这里仅统计是否回答这个问题的全部人数
ex_answered_scores = effictive_users.score_reviewed.pluck(:score).sum #该问题的全部得分 ex_answered_scores = effictive_users.score_reviewed.pluck(:score).sum #该问题的全部得分
if ex.question_type > Exercise::COMPLETION #当为主观题和实训题时， if ex.question_type > Exercise::COMPLETION #当为主观题和实训题时，
if ex_total_score != 0.0 percent = (ex_total_score == 0.0 ? 0.0 : (ex_answered_scores / ex_total_score.to_f).round(3) * 100) #正确率
percent = (ex_answered_scores / ex_total_score.to_f).round(3) * 100 #正确率
end
end end
question_answer_infos = [] question_answer_infos = []
if ex.question_type <= Exercise::JUDGMENT #选择题和判断题 if ex.question_type <= Exercise::JUDGMENT #选择题和判断题
ex_choices = ex.exercise_choices ex_choices = ex.exercise_choices
standard_answer = ex.exercise_standard_answers.pluck(:exercise_choice_id).sort #标准答案的位置 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 right_users_count = 0
#该问题的正确率
if ex.question_type == Exercise::MULTIPLE #多选题 if ex.question_type == Exercise::MULTIPLE #多选题
user_ids.each do |user_id| user_ids.each do |user_id|
ex_choice_ids = effictive_users.map{|e| e.exercise_choice_id if e.user_id == user_id}.reject(&:blank?).uniq ex_choice_ids = effictive_users.map{|e| e.exercise_choice_id if e.user_id == user_id}.reject(&:blank?).uniq
@ -129,15 +129,14 @@ module ExercisesHelper
end end
percent = effictive_users_count > 0 ? (right_users_count / effictive_users_count.to_f).round(3)*100 : 0.0 percent = effictive_users_count > 0 ? (right_users_count / effictive_users_count.to_f).round(3)*100 : 0.0
#每个选项的正确率
ex_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 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 = effictive_users.select{|answer| answer.exercise_choice_id == c.id}.size
answer_users_count = answer_this_choice.size
if effictive_users_count == 0 answer_percent = (effictive_users_count == 0 ? 0.0 : (answer_users_count / effictive_users_count.to_f ).round(3))
answer_percent = 0.0
else
answer_percent = (answer_users_count / effictive_users_count.to_f ).round(3)
end
answer_option = { answer_option = {
:choice_position => c.choice_position, :choice_position => c.choice_position,
:choice_text => c.choice_text, :choice_text => c.choice_text,
@ -150,7 +149,7 @@ module ExercisesHelper
elsif ex.question_type == Exercise::COMPLETION #填空题 elsif ex.question_type == Exercise::COMPLETION #填空题
ex_ordered = ex.is_ordered ex_ordered = ex.is_ordered
null_standard_answer = ex.exercise_standard_answers null_standard_answer = ex.exercise_standard_answers
null_stand_choice = null_standard_answer.pluck(:exercise_choice_id) 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) null_stand_text = null_standard_answer.pluck(:answer_text)
standard_answer_count = 0 standard_answer_count = 0
all_user_count = 0 all_user_count = 0
@ -159,20 +158,17 @@ module ExercisesHelper
s_choice_text = null_stand_text[index] s_choice_text = null_stand_text[index]
if ex_ordered #有序排列 if ex_ordered #有序排列
user_ids.each do |u| user_ids.each do |u|
user_answers = ex_answers.search_answer_users("user_id",u).search_answer_users("exercise_choice_id",s) user_answers = ex_answers.where(user_id:u,exercise_choice_id:s).select(:answer_text)
user_answers_choice = user_answers.present? ? user_answers.first.answer_text : "" user_answers_choice = user_answers.exists? ? user_answers&.first&.answer_text.to_s : ""
if s_choice_text == user_answers_choice if s_choice_text == user_answers_choice
user_count += 1 user_count += 1
end end
end end
else else
user_count = user_count + effictive_users.search_exercise_answer("answer_text",s_choice_text).count #回答了标准答案的用户 user_count = user_count + effictive_users.select{|answer| answer.answer_text == s_choice_text }.size #回答了标准答案的用户
end
if effictive_users_count == 0
answer_percent = 0.0
else
answer_percent = (user_count / effictive_users_count.to_f ).round(3)
end end
answer_percent = ((effictive_users_count == 0) ? 0.0 : (user_count / effictive_users_count.to_f ).round(3))
answer_option = { answer_option = {
:choice_position => index+1, :choice_position => index+1,
:choice_text => s_choice_text, :choice_text => s_choice_text,
@ -237,22 +233,13 @@ module ExercisesHelper
all_zero_scores = cha_shixun_answer.search_shixun_keys("score",0.0).size #零分人数 all_zero_scores = cha_shixun_answer.search_shixun_keys("score",0.0).size #零分人数
shixun_scores = user_ids.count * cha_score shixun_scores = user_ids.count * cha_score
shixun_answered_scores = cha_shixun_answer.score_reviewed.pluck(:score).sum #该问题的全部得分 shixun_answered_scores = cha_shixun_answer.score_reviewed.pluck(:score).sum #该问题的全部得分
game_percent = (shixun_answered_scores == 0.0 ? 0.0 : (shixun_answered_scores / shixun_scores.to_f).round(3) * 100) #正确率
if shixun_answered_scores == 0.0
game_percent = 0.0
else
game_percent = (shixun_answered_scores / shixun_scores.to_f).round(3) * 100 #正确率
end
shixun_score_array = [full_scores,no_full_scores,all_zero_scores] shixun_score_array = [full_scores,no_full_scores,all_zero_scores]
shixun_chas = [] shixun_chas = []
shixun_score_array.each_with_index do |s,index| shixun_score_array.each_with_index do |s,index|
right_answer = (index == 0) right_answer = (index == 0)
if effictive_users_count == 0 score_percent = (effictive_users_count == 0 ? 0.0 : (s.to_i / effictive_users_count.to_f ).round(3))
score_percent = 0.0
else
score_percent = (s.to_i / effictive_users_count.to_f ).round(3)
end
answer_option = { answer_option = {
:choice_position => index+1, :choice_position => index+1,
:choice_text => index+1, :choice_text => index+1,

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