class AddSettledAtToZaps < ActiveRecord::Migration[7.1]
  def change
    add_column :zaps, :settled_at, :datetime, default: nil

    Zap.where.not(receipt: nil).each do |zap|
      zap.update! settled_at: Time.at(zap.receipt_event.created_at).to_datetime
    end
  end
end