educoder/lib/tasks/exercise_publish.rake

#coding=utf-8

namespace :exercise_publish do
  desc "publish exercise and end exercise"
  def get_mulscore(question, user)
    ecs = ExerciseAnswer.where("user_id =? and exercise_question_id =?", user.id, question.id)
    arr = []
    ecs.each do |ec|
      arr << ec.exercise_choice.choice_position
    end
    #arr = arr.sort
    str = arr.sort.join("")
    return str
  end

  def tran_base64_decode64 str
    if str.blank?
      str
    else
      s_size = str.size % 4
      if s_size != 0
        str += "=" * (4 - s_size)
      end
      Base64.decode64(str.tr("-_", "+/")).force_encoding("utf-8")
    end
  end

  #计算试卷的总分和试卷的答题状态
  # def calculate_student_score(exercise,user)
  #   score1 = 0.0 #选择题/判断题
  #   score2 = 0.0 #填空题
  #   score5 = 0.0  #实训题
  #   ques_stand = []  #问题是否正确
  #   exercise_questions = exercise.exercise_questions
  #   exercise_questions.each do |q|
  #     if q.question_type != 5
  #       answers_content = q.exercise_answers.search_answer_users("user_id",user.id)  #学生的答案
  #     else
  #       answers_content = q.exercise_shixun_answers.search_shixun_answers("user_id",user.id)  #学生的答案
  #     end
  #     if q.question_type <= 2  #为选择题或判断题时
  #       answer_choice_array = []
  #       answers_content.each do |a|
  #         answer_choice_array.push(a.exercise_choice.choice_position)  #学生答案的位置
  #       end
  #       user_answer_content = answer_choice_array.sort
  #       standard_answer = q.exercise_standard_answers.pluck(:exercise_choice_id).sort  #该问题的标准答案，可能有多个
  #       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
  #         if standard_answer.count > 0
  #           multi_each_score = (q.question_score / standard_answer.count)   #当多选答案正确时，每个answer的分数均摊。
  #         else
  #           multi_each_score = 0.0
  #         end
  #         answers_content.update_all(:score => multi_each_score)
  #         score1 = score1 + q.question_score
  #       end
  #     elsif q.question_type == 3   #填空题
  #       null_standard_answer = q.exercise_standard_answers
  #       standard_answer_array = null_standard_answer.select(:exercise_choice_id,:answer_text)
  #       standard_answer_ids = standard_answer_array.pluck(:exercise_choice_id).reject(&:blank?).uniq   #标准答案的exercise_choice_id数组
  #       standard_answer_count = standard_answer_ids.count
  #       if standard_answer_count > 0  #存在标准答案时才有分数
  #         each_standard_score = (q.question_score.to_f / standard_answer_count).round(1) #每一空的得分
  #       else
  #         each_standard_score = 0.0
  #       end
  #       if q.is_ordered
  #         answers_content.each do |u|
  #           i_standard_answer = standard_answer_array.where(exercise_choice_id:u.exercise_choice_id).pluck(:answer_text).reject(&:blank?).map!(&:downcase)   #该选项的全部标准答案
  #           if i_standard_answer.include?(u.answer_text.downcase)  #该空的标准答案包含用户的答案才有分数
  #             u.update_attribute("score",each_standard_score)
  #             score2 = score2 + each_standard_score
  #           end
  #         end
  #       else
  #         st_answer_text = standard_answer_array.pluck(:answer_text).reject(&:blank?).map!(&:downcase)
  #         answers_content.each do |u|
  #           u_answer_text = u.answer_text.downcase
  #           if st_answer_text.include?(u_answer_text)   #只要标准答案包含用户的答案，就有分数。同时，下一次循环时，就会删除该标准答案。防止用户的相同答案获分
  #             u.update_attribute("score",each_standard_score)
  #             score2 = score2 + each_standard_score
  #             st_answer_text.delete(u_answer_text)
  #           end
  #         end
  #       end
  #     elsif q.question_type == 5   #实训题时，主观题这里不评分
  #       q.exercise_shixun_challenges.each do |exercise_cha|
  #         game = Game.user_games(user.id,exercise_cha.challenge_id).first  #当前用户的关卡
  #         if game.present?
  #           exercise_cha_score = 0
  #           answer_status = 0
  #           cha_path = challenge_path exercise_cha.challenge.path
  #           if game.status == 2 && game.final_score >= 0
  #             exercise_cha_score = game.real_score exercise_cha.question_score #每一关卡的得分
  #             answer_status = 1
  #           end
  #           if exercise_cha.exercise_shixun_answers.search_shixun_answers("user_id",user.id).blank?  #把关卡的答案存入试卷的实训里
  #             game_challenge = game.game_codes.search_challenge_path(cha_path).first
  #             if game_challenge.present?
  #               game_code = game_challenge
  #               code = game_code.try(:new_code)
  #             else
  #               code = git_fle_content(exercise_cha.shixun.repo_path,cha_path)
  #             end
  #             sx_option = {
  #                 :exercise_question_id => q.id,
  #                 :exercise_shixun_challenge_id => exercise_cha.id,
  #                 :user_id => user.id,
  #                 :score => exercise_cha_score,
  #                 :answer_text => code,
  #                 :status => answer_status
  #             }
  #             ex_shixun_answer = ExerciseShixunAnswer.new(sx_option)
  #             ex_shixun_answer.save!
  #           end
  #           score5 += exercise_cha_score
  #         end
  #       end
  #     end
  #     user_scores = answers_content.score_reviewed.pluck(:score).sum
  #     if user_scores > 0
  #       stand_answer = 1
  #     else
  #       stand_answer = 0
  #     end
  #     ques_option = {
  #         "q_id":q.id,   #该问题的id
  #         "q_type":q.question_type,
  #         "q_position":q.question_number, #该问题的位置
  #         "stand_status":stand_answer,  #该问题是否正确,1为正确，0为错误
  #         "user_score":user_scores  #每个问题的总得分
  #     }
  #     ques_stand.push(ques_option)
  #   end
  #   total_score = score1 + score2 + score5
  #   {
  #       "total_score":total_score,
  #       "stand_status":ques_stand
  #   }
  # end

  task :publish => :environment do
    Rails.logger.info("log--------------------------------exercise_publish start")
    puts "--------------------------------exercise_publish start"
    exercises = Exercise.where("publish_time is not null and exercise_status = 1 and publish_time <=?",Time.now)
    exercises.each do |exercise|
      exercise.update_column('exercise_status', 2)
      course = exercise.course
      tid_str = ""
      course.teachers.find_each do |member|
        tid_str += "," if tid_str != ""
        tid_str += "(#{member.user_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
      end
      if exercise.unified_setting
        course.student.find_each do |student|
          tid_str += "," if tid_str != ""
          tid_str += "(#{student.student_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end
      end
      if tid_str != ""
        tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
        ActiveRecord::Base.connection.execute tid_sql
      end

      if exercise.exercise_users.count == 0
        str = ""
        course.student.find_each do |student|
          str += "," if str != ""
          str += "(#{student.user_id}, #{exercise.id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end

        if str != ""
          sql = "insert into exercise_users (user_id, exercise_id, commit_status, created_at, updated_at) values" + str
          ActiveRecord::Base.connection.execute sql
        end
      end

      if exercise.course_acts.size == 0
        exercise.course_acts << CourseActivity.new(:user_id => exercise.user_id,:course_id => exercise.course_id)
      end
    end

    # 分组设置发布时间的测验
    exercise_group_settings = ExerciseGroupSetting.where("publish_time < ? and publish_time > ?", Time.now + 1800, Time.now - 1800)
    exercise_group_settings.each do |exercise_group|
      exercise = exercise_group.exercise
      if exercise.present?
        course = exercise.course
        exercise.update_attributes(:exercise_status => 2) if exercise.exercise_status == 1
        tid_str = ""
        members = course.students.where(:course_group_id => exercise_group.course_group_id)
        members.find_each do |member|
          tid_str += "," if tid_str != ""
          tid_str += "(#{member.user_id},#{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end
        if tid_str != ""
          tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
          ActiveRecord::Base.connection.execute tid_sql
        end
      end
    end
    Rails.logger.info("log--------------------------------exercise_publish end")
    puts "--------------------------------exercise_publish end"
  end

  task :end => :environment do
    # include ExercisesHelper
    # include ApplicationController

    exercises = Exercise.where("end_time <=? and exercise_status = 2",Time.now)
    exercises.each do |exercise|
      course = exercise.course
      exercise.update_column('exercise_status', 3)

      exercise.exercise_users.each do |exercise_user|
        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)

          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
            exercise_user.update_attributes(:subjective_score => 0)
          end
        end
      end
    end

    all_exercises = Exercise.where("end_time > ? and exercise_status = 2",Time.now)
    exercise_ids = all_exercises.blank? ? "(-1)" : "(" + all_exercises.map(&:id).join(",") + ")"
    ExerciseGroupSetting.where("end_time <= '#{Time.now}' and exercise_id in #{exercise_ids}").each do |exercise_setting|
      exercise = exercise_setting.exercise

      users = exercise.course.students.where(:course_group_id => exercise_setting.course_group_id)
      exercise_users = exercise.exercise_users.where(:user_id => users.map(&:user_id))

      exercise_users.each do |exercise_user|
        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)

          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
            exercise_user.update_attributes(:subjective_score => 0)
          end
        end
      end
    end
    Rails.logger.info("log--------------------------------exercise_end completed")
  end
end