module SampleForOrder
  def create_order_status_history
    order = current_user.has_role?(:guide) ? @order : @application

    OrderStatusHistory.create!({
      user_id: current_user.id,
      order_id: order.id,
      status: Order.statuses[order.status]
    })
  end

  def view_order_for_guide order
    viewed_order order
    viewed_all_messages order
    viewed_all_change_status order
  end

  def view_application_for_traveler application
    viewed_all_messages application
    viewed_all_change_status application
  end

  def viewed_order order
    unless order.is_viewed
      order.viewed!
    end
  end

  def viewed_all_messages order
    unless order.order_messages.unviewed_for_user(current_user.id).size == 0
      order.order_messages.unviewed_for_user(current_user.id).each do |message|
        message.viewed!
      end
    end
  end

  def viewed_all_change_status order
    unless order.order_status_histories.unviewed_for_user(current_user.id).size == 0
      order.order_status_histories.unviewed_for_user(current_user.id).each do |status_history|
        status_history.viewed!
      end
    end
  end
end