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#coding=utf-8
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# 执行示例 bundle exec rake excellent_course_exercise:student_answer args=2933,1042,823
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# args 第一个是course_id, 第二个是参与人数， 第三个是通过人数
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desc "同步精品课的学生试卷数据"
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namespace :excellent_course_exercise do
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if ENV['args']
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course_id = ENV['args'].split(",")[0] # 对应课堂的id
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participant_count = ENV['args'].split(",")[1].to_i # 表示参与人数
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pass_count = ENV['args'].split(",")[2].to_i # 表示通过人数
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end
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task :student_answer => :environment do
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course = Course.find_by(id: course_id)
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course.exercises.each_with_index do |exercise, index|
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# 第一个试卷的参与人数和通过人数都是传的数据，后续的随机
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if index == 0
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members = course.students.order("id asc").limit(participant_count)
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update_exercise_user(exercise, members, pass_count)
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else
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new_participant_count = rand((participant_count - 423)..participant_count)
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new_pass_count = rand((new_participant_count - 113)..new_participant_count)
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members = course.students.order("id asc").limit(new_participant_count)
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update_exercise_user(exercise, members, new_pass_count)
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end
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end
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end
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def update_exercise_user exercise, members, pass_count
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exercise_question_ids = exercise.exercise_questions.where(question_type: 0).pluck(:id)
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# index < pass_count 之前的学生都是通关的，之后的未通过
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members.each_with_index do |member, index|
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exercise_user = exercise.exercise_users.where(user_id: member.user_id).take
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if exercise_question_ids.length == 20
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rand_num = index < pass_count - 1 ? 20 : rand(1..16)
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elsif exercise_question_ids.length == 17
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rand_num = index < pass_count - 1 ? rand(13..17) : rand(1..11)
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elsif exercise_question_ids.length == 39
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rand_num = index < pass_count - 1 ? rand(30..39) : rand(1..18)
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else
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rand_num = exercise_question_ids.length
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end
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if exercise_user && exercise_user.commit_status == 0
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question_ids = exercise_question_ids.sample(rand_num)
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questions = exercise.exercise_questions.where(id: question_ids)
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create_exercise_answer questions, member.user_id
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total_score = calculate_student_score(exercise, member.user)
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commit_option = {
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:status => 1,
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:commit_status => 1,
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:start_at => exercise.publish_time,
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:end_at => exercise.end_time,
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:objective_score => total_score,
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:score => total_score,
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:subjective_score => 0
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}
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exercise_user.update_columns(commit_option)
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end
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end
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end
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def create_exercise_answer questions, user_id
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questions.each do |question|
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choice_position = question.exercise_standard_answers.take&.exercise_choice_id
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choice = question.exercise_choices.where(choice_position: choice_position).take
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answer_option = {
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:user_id => user_id,
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:exercise_question_id => question.id,
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:exercise_choice_id => choice&.id,
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:answer_text => ""
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}
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ex_a = ExerciseAnswer.new(answer_option)
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ex_a.save!
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end
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end
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#计算试卷的总分和试卷的答题状态
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def calculate_student_score(exercise,user)
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score1 = 0.0 #选择题/判断题
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score2 = 0.0 #填空题
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score5 = 0.0 #实训题
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total_score = 0.0
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ques_stand = [] #问题是否正确
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exercise_questions = exercise.exercise_questions.includes(:exercise_answers,:exercise_shixun_answers,:exercise_standard_answers,:exercise_shixun_challenges)
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exercise_questions&.each do |q|
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begin
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if q.question_type != 5
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answers_content = q.exercise_answers.where(user_id: user.id) #学生的答案
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else
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answers_content = q.exercise_shixun_answers.where(user_id: user.id) #学生的答案
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end
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if q.question_type <= 2 #为选择题或判断题时
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if answers_content.present? #学生有回答时
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answer_choice_array = []
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answers_content.each do |a|
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answer_choice_array.push(a.exercise_choice.choice_position) #学生答案的位置
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end
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user_answer_content = answer_choice_array.sort
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standard_answer = q.exercise_standard_answers.pluck(:exercise_choice_id).sort #该问题的标准答案，可能有多个
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if user_answer_content == standard_answer #答案一致,多选或单选才给分，答案不对不给分
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if standard_answer.size > 0
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q_score_1 = q.question_score
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# q_score_1 = (q.question_score.to_f / standard_answer.count) #当多选答案正确时，每个answer的分数均摊。
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else
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q_score_1 = 0.0
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end
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answers_content.update_all(:score => q_score_1)
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score1 = score1 + q.question_score
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else
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answers_content.update_all(:score => -1.0)
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score1 += 0.0
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end
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else
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score1 += 0.0
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end
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elsif q.question_type == 5 #实训题时，主观题这里不评分
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q.exercise_shixun_challenges&.each do |exercise_cha|
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game = Game.user_games(user.id,exercise_cha.challenge_id)&.first #当前用户的关卡
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if game.present?
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exercise_cha_score = 0.0
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answer_status = 0
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# if game.status == 2 && game.final_score >= 0
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if game.final_score > 0
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exercise_cha_score = game.real_score(exercise_cha.question_score)
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# exercise_cha_score = exercise_cha.question_score #每一关卡的得分
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answer_status = 1
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end
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ex_shixun_answer_content = answers_content&.where(exercise_shixun_challenge_id: exercise_cha.id)
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code = nil
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if exercise_cha.challenge&.path.present?
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cha_path = challenge_path(exercise_cha.challenge&.path)
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game_challenge = game.game_codes.search_challenge_path(cha_path)&.first
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if game_challenge.present?
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game_code = game_challenge
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code = game_code.try(:new_code)
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else
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code = git_fle_content(game.myshixun.repo_path,cha_path)
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end
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end
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if ex_shixun_answer_content.blank? #把关卡的答案存入试卷的实训里
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### Todo 实训题的_shixun_details里的代码是不是直接从这里取出就可以了？涉及到code的多个版本库的修改
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sx_option = {
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:exercise_question_id => q.id,
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:exercise_shixun_challenge_id => exercise_cha.id,
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:user_id => user.id,
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:score => exercise_cha_score.round(1),
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:answer_text => code,
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:status => answer_status
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}
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ExerciseShixunAnswer.create(sx_option)
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else
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ex_shixun_answer_content.first.update_attributes(score:exercise_cha_score.round(1),answer_text:code)
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end
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score5 += exercise_cha_score
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else
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score5 += 0.0
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end
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end
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end
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user_scores = answers_content.blank? ? 0.0 : answers_content.score_reviewed.pluck(:score).sum
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if user_scores > 0.0
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stand_answer = 1
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else
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stand_answer = 0
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end
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ques_option = {
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"q_id":q.id, #该问题的id
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"q_type":q.question_type,
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"q_position":q.question_number, #该问题的位置
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"stand_status":stand_answer, #该问题是否正确,1为正确，0为错误
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"user_score":user_scores.round(1) #每个问题的总得分
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}
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ques_stand.push(ques_option)
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rescue Exception => e
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Rails.logger.info("calcuclate_score_have_error____________________________#{e}")
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next
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end
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end
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total_score = score1 + score2 + score5
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total_score
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end
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end
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