class CreateWorkDetailManuals < ActiveRecord::Migration
  def change
    create_table :work_detail_manuals do |t|
      t.date :evaluation_start
      t.date :evaluation_end
      t.integer :evaluation_num
      t.references :work

      t.timestamps
    end
    add_index :work_detail_manuals, :work_id

    Work.all.each do |work|
      WorkDetailManual.create(:work_id => work.id, :evaluation_start => work.end_time + 7, :evaluation_end => work.end_time + 14, :evaluation_num => 3)
    end
  end
end