20 lines
694 B
Ruby
20 lines
694 B
Ruby
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class DeleteAnonymousWork < ActiveRecord::Migration
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def up
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student_works = StudentWork.where("homework_common_id = 2882").map{|work| work.id} unless StudentWork.where("homework_common_id = 2882").empty?
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student_work_ids = "(" + student_works.join(",") + ")"
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student_work_scores = StudentWorksScore.where("student_work_id in #{student_work_ids}")
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unless student_work_scores.empty?
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student_work_scores.each do |sscore|
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student_work = StudentWork.find sscore.student_work_id
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student_work.student_score = 0 unless student_work.nil?
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student_work.absence_penalty = 0
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sscore.destroy
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student_work.save
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end
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end
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end
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def down
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end
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end
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