module SoftDeletable
  extend ActiveSupport::Concern

  included do
    default_scope { where(:deleted_at => nil) }
    scope :with_trashed, -> { unscope(where: :deleted_at) }
    scope :only_trashed, -> { unscope(where: :deleted_at).where.not(deleted_at: nil) }
  end

  def destroy
    update(deleted_at: Time.now)
  end

  def restore
    update(deleted_at: nil)
  end
end