#coding=utf-8
# 执行示例 bundle exec rake excellent_course_exercise:student_answer args=2933,1042,823
# args 第一个是course_id, 第二个是参与人数， 第三个是通过人数
desc "同步精品课的学生试卷数据"
namespace :excellent_course_exercise do
if ENV['args']
course_id = ENV['args'].split(",")[0] # 对应课堂的id
participant_count = ENV['args'].split(",")[1].to_i # 表示参与人数
pass_count = ENV['args'].split(",")[2].to_i # 表示通过人数
end
task :student_answer => :environment do
course = Course.find_by(id: course_id)
course.exercises.each_with_index do |exercise, index|
# if exercise.exercise_users.where(commit_status: 1).count == 0
# 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
if index == 0
members = course.students.order("id asc").limit(participant_count)
update_exercise_user(exercise, members, pass_count)
else
new_participant_count = rand((participant_count - 423)..participant_count)
new_pass_count = rand((new_participant_count - 113)..new_participant_count)
members = course.students.order("id asc").limit(new_participant_count)
update_exercise_user(exercise, members, new_pass_count)
end
# end
end
end
def update_exercise_user exercise, members, pass_count
exercise_question_ids = exercise.exercise_questions.where(question_type: 0).pluck(:id)
# index < pass_count 之前的学生都是通关的，之后的未通过
members.each_with_index do |member, index|
exercise_user = exercise.exercise_users.where(user_id: member.user_id).take
if exercise_question_ids.length == 20
rand_num = index < pass_count - 1 ? rand(15..20) : rand(1..10)
elsif exercise_question_ids.length == 17
rand_num = index < pass_count - 1 ? rand(12..17) : rand(1..9)
elsif exercise_question_ids.length == 39
rand_num = index < pass_count - 1 ? rand(30..39) : rand(1..18)
else
rand_num = exercise_question_ids.length
end
if exercise_user && exercise_user.commit_status == 0
question_ids = exercise_question_ids.sample(rand_num)
questions = exercise.exercise_questions.where(id: question_ids)
create_exercise_answer questions, member.user_id
total_score = calculate_student_score(exercise, member.user)
commit_option = {
:status => 1,
:commit_status => 1,
:start_at => exercise.publish_time,
:end_at => exercise.end_time,
:objective_score => total_score,
:score => total_score,
:subjective_score => 0
}
exercise_user.update_columns(commit_option)
end
end
end
def create_exercise_answer questions, user_id
questions.each do |question|
choice_position = question.exercise_standard_answers.take&.exercise_choice_id
choice = question.exercise_choices.where(choice_position: choice_position).take
answer_option = {
:user_id => user_id,
:exercise_question_id => question.id,
:exercise_choice_id => choice&.id,
:answer_text => ""
}
ex_a = ExerciseAnswer.new(answer_option)
ex_a.save!
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
total_score = 0.0
ques_stand = [] #问题是否正确
exercise_questions = exercise.exercise_questions.includes(:exercise_answers,:exercise_shixun_answers,:exercise_standard_answers,:exercise_shixun_challenges)
exercise_questions&.each do |q|
begin
if q.question_type != 5
answers_content = q.exercise_answers.where(user_id: user.id) #学生的答案
else
answers_content = q.exercise_shixun_answers.where(user_id: user.id) #学生的答案
end
if q.question_type <= 2 #为选择题或判断题时
if answers_content.present? #学生有回答时
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
#TODO: 旧版多选题的标准答案是放在一个里面的，新版又做成了一个题有多个标准答案（exercise_choice_id存放的是标准答案的位置..）
if q.question_type == 1 && standard_answer.size == 1
standard_answer = standard_answer.first.to_s.split("").map(&:to_i)
end
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.size > 0
q_score_1 = q.question_score
# 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。
else
q_score_1 = 0.0
end
answers_content.update_all(:score => q_score_1)
score1 = score1 + q.question_score
else
answers_content.update_all(:score => -1.0)
score1 += 0.0
end
else
score1 += 0.0
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 = 0.0
answer_status = 0
# if game.status == 2 && game.final_score >= 0
if game.final_score > 0
exercise_cha_score = game.real_score(exercise_cha.question_score)
# exercise_cha_score = exercise_cha.question_score #每一关卡的得分
answer_status = 1
end
ex_shixun_answer_content = answers_content&.where(exercise_shixun_challenge_id: exercise_cha.id)
code = nil
if exercise_cha.challenge&.path.present?
cha_path = challenge_path(exercise_cha.challenge&.path)
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
begin #8-23,hs
code = git_fle_content(game.myshixun.repo_path,cha_path)
rescue
code = ""
end
# code = git_fle_content(game.myshixun.repo_path,cha_path)
end
end
if ex_shixun_answer_content.blank? #把关卡的答案存入试卷的实训里
### 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
sx_option = {
:exercise_question_id => q.id,
:exercise_shixun_challenge_id => exercise_cha.id,
:user_id => user.id,
:score => exercise_cha_score.round(1),
:answer_text => code,
:status => answer_status
}
ExerciseShixunAnswer.create(sx_option)
else
ex_shixun_answer_content.first.update_attributes(score:exercise_cha_score.round(1),answer_text:code)
end
score5 += exercise_cha_score
else
score5 += 0.0
end
end
end
user_scores = answers_content.blank? ? 0.0 : answers_content.score_reviewed.pluck(:score).sum
if user_scores > 0.0
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.round(1) #每个问题的总得分
}
ques_stand.push(ques_option)
rescue Exception => e
Rails.logger.info("calcuclate_score_have_error____________________________#{e}")
next
end
end
total_score = score1 + score2 + score5
total_score
end
end