27 lines
775 B
Ruby
27 lines
775 B
Ruby
#encoding: utf-8
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class AddStudentWorkData < ActiveRecord::Migration
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def up
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count = Course.all.count / 30 + 2
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transaction do
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for i in 1 .. count do i
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Course.page(i).per(30).each do |course|
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begin
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course.student.each do |student|
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course.homework_commons.each do |hw|
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if hw.homework_type != 3 && hw.student_works.where("user_id = #{student.student_id}").count == 0
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hw.student_works << StudentWork.new(:user_id => student.student_id, :name => hw.name.to_s+"的作品提交", :work_status => 0)
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end
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end
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end
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rescue Exception => e
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logger.error "[AddStudentWorkData] ===> #{e}"
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end
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end
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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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