socialforge/db/migrate/20160405021915_delete_anony...

24 lines
809 B
Ruby

class DeleteAnonymousWork < ActiveRecord::Migration
def up
begin
student_works = StudentWork.where("homework_common_id = 2882").map{|work| work.id} unless StudentWork.where("homework_common_id = 2882").empty?
student_work_ids = "(" + student_works.join(",") + ")"
student_work_scores = StudentWorksScore.where("student_work_id in #{student_work_ids}")
unless student_work_scores.empty?
student_work_scores.each do |sscore|
student_work = StudentWork.find sscore.student_work_id
student_work.student_score = 0 unless student_work.nil?
student_work.absence_penalty = 0
sscore.destroy
student_work.save
end
end
rescue => e
logger.error "[Errno::ENOENT] ===> #{e}"
end
end
def down
end
end