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#coding=utf-8
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namespace :homework_evaluation do
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desc "start and end evaluation"
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def get_assigned_homeworks(student_works, n, index)
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student_works += student_works
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student_works[index + 1 .. index + n]
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end
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#自动开启匿评的任务
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task :start_evaluation => :environment do
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homework_detail_manuals = HomeworkDetailManual.where("evaluation_start = '#{Date.today}'")
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homework_detail_manuals.each do |homework_detail_manual|
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homework_common = homework_detail_manual.homework_common
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if homework_detail_manual.comment_status == 1 #新建状态才可开启匿评
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student_works = homework_common.student_works
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if student_works && student_works.size >= 2
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student_works.each_with_index do |work, index|
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user = work.user
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n = homework_detail_manual.evaluation_num
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n = n < student_works.size ? n : student_works.size - 1
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assigned_homeworks = get_assigned_homeworks(student_works, n, index)
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assigned_homeworks.each do |h|
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student_works_evaluation_distributions = StudentWorksEvaluationDistribution.new(user_id: user.id, student_work_id: h.id)
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student_works_evaluation_distributions.save
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end
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end
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homework_detail_manual.update_column('comment_status', 2)
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# 匿评开启消息邮件通知
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else
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#作业数小于2，启动失败
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end
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end
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end
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end
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#自动关闭匿评的任务
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task :end_evaluation => :environment do
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homework_detail_manuals = HomeworkDetailManual.where("evaluation_end = '#{Date.today}'")
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homework_detail_manuals.each do |homework_detail_manual|
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homework_common = homework_detail_manual.homework_common
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if homework_detail_manual.comment_status == 2 #开启匿评状态才可关闭匿评
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#计算缺评扣分
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work_ids = "(" + homework_common.student_works.map(&:id).join(",") + ")"
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homework_common.student_works.each do |student_work|
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absence_penalty_count = student_work.user.student_works_evaluation_distributions.where("student_work_id IN #{work_ids}").count - student_work.user.student_works_scores.where("student_work_id IN #{work_ids}").count
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student_work.absence_penalty = absence_penalty_count > 0 ? absence_penalty_count * homework_detail_manuals.absence_penalty : 0
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student_work.save
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end
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homework_detail_manual.update_column('comment_status', 3)
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# 匿评关闭消息邮件通知
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end
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end
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end
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end
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