|
|
|
@ -83,12 +83,13 @@ module ExercisesHelper
|
|
|
|
|
@ex_sub_array = @ex_sub_array.sort_by {|k| k[:q_position]}
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
#试卷的统计结果页面计算各题的
|
|
|
|
|
#试卷的统计结果页面计算各题的。选择题和判断题原来是按:已回答了本题的人数来计算的。现需要按已提交试卷的人数来计算。2019-8-23
|
|
|
|
|
def exercise_commit_result(questions,user_ids)
|
|
|
|
|
question_infos = []
|
|
|
|
|
# percent = 0.0
|
|
|
|
|
percent = 0.0
|
|
|
|
|
commit_user_ids = user_ids.size
|
|
|
|
|
questions.includes(:exercise_choices).each do |ex|
|
|
|
|
|
ex_total_score = user_ids.count * ex&.question_score.to_f #该试卷的已回答的总分
|
|
|
|
|
ex_total_score = commit_user_ids * ex&.question_score.to_f #该试卷的已回答的总分
|
|
|
|
|
# ex_answers = ex.exercise_answers
|
|
|
|
|
if ex.question_type != Exercise::PRACTICAL
|
|
|
|
|
ques_title = ex.question_title
|
|
|
|
@ -104,41 +105,30 @@ module ExercisesHelper
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
#
|
|
|
|
|
# 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
|
|
|
|
|
|
|
|
|
|
#全部题型按已提交学生的分数来计算
|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
#该问题的正确率
|
|
|
|
|
# if ex.question_type == Exercise::MULTIPLE #多选题
|
|
|
|
|
# right_user_ids = user_ids
|
|
|
|
|
# standard_answer.each do |choice_position|
|
|
|
|
|
# standard_answer_choice_id = ex_choices.select{|ec| ec.choice_position == choice_position}.first&.id
|
|
|
|
|
# right_user_ids = right_user_ids & effictive_users.select{|answer| answer.exercise_choice_id == standard_answer_choice_id}.pluck(:user_id)
|
|
|
|
|
# end
|
|
|
|
|
# right_users_count = right_user_ids.size
|
|
|
|
|
# # 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
|
|
|
|
|
# # 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
|
|
|
|
|
# else #单选题和判断题
|
|
|
|
|
# standard_answer_choice_id = ex_choices.select{|ec| ec.choice_position == standard_answer.first}.first&.id
|
|
|
|
|
# right_users_count = effictive_users.select{|answer| answer.exercise_choice_id == standard_answer_choice_id}.size
|
|
|
|
|
# end
|
|
|
|
|
|
|
|
|
|
# percent = effictive_users_count > 0 ? (right_users_count / effictive_users_count.to_f).round(3)*100 : 0.0
|
|
|
|
|
# 该问题的正确率
|
|
|
|
|
if ex.question_type == Exercise::MULTIPLE #多选题
|
|
|
|
|
right_user_ids = user_ids
|
|
|
|
|
standard_answer.each do |choice_position|
|
|
|
|
|
standard_answer_choice_id = ex_choices.select{|ec| ec.choice_position == choice_position}.first&.id
|
|
|
|
|
right_user_ids = right_user_ids & effictive_users.select{|answer| answer.exercise_choice_id == standard_answer_choice_id}.pluck(:user_id)
|
|
|
|
|
end
|
|
|
|
|
right_users_count = right_user_ids.size
|
|
|
|
|
else #单选题和判断题
|
|
|
|
|
standard_answer_choice_id = ex_choices.select{|ec| ec.choice_position == standard_answer.first}.first&.id
|
|
|
|
|
right_users_count = effictive_users.select{|answer| answer.exercise_choice_id == standard_answer_choice_id}.size
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
percent = commit_user_ids > 0 ? (right_users_count / commit_user_ids.to_f).round(3)*100 : 0.0
|
|
|
|
|
|
|
|
|
|
#每个选项的正确率
|
|
|
|
|
ex_choices.each do |c|
|
|
|
|
@ -184,7 +174,8 @@ module ExercisesHelper
|
|
|
|
|
all_user_count += user_count
|
|
|
|
|
standard_answer_count += 1
|
|
|
|
|
end
|
|
|
|
|
# percent = effictive_users_count > 0 ? (all_user_count / effictive_users_count.to_f).round(3)*100 : 0.0
|
|
|
|
|
percent = commit_user_ids > 0 ? (all_user_count / commit_user_ids.to_f).round(3)*100 : 0.0
|
|
|
|
|
|
|
|
|
|
user_wrong_count = (effictive_users_count - all_user_count )
|
|
|
|
|
|
|
|
|
|
if effictive_users_count > 0 && user_wrong_count >= 0
|
|
|
|
|