fohow_admin/app/models/order_base_detail.rb

# encoding:utf-8
class OrderBaseDetail < ActiveRecord::Base
  has_paper_trail
  self.table_name = "order_base_details"
  validates :order_no,:order_dt_id,:product_id, presence: true
  belongs_to :order, :foreign_key => :order_id

  def order_dt_state
    order = Order.where("id = ?", self.order_id).first
    if !order.blank?
      return order.status
    end
  end
  DT_STATUS_ENUM = [["未支付","unpay"],["已关闭","closed"],["待确认","unconfirmed"],["处理中","processing"],["已完成","complete"],["待收货","dispatch"],["已退款","refunded"]]

  rails_admin do
    navigation_label '订单基本明细'
    weight -300
    parent Order
    list do
      filters [:order_no,:product_id,:order_dt_id]
      # include_all_fields
      field :id
      field :order_no
      field :product_id
      field :title
      field :nums
      field :order_dt_id
      field :paid_time do
        filterable true
         formatted_value do
           #bindings[:object].order.paied_time
           if !bindings[:object].order.blank?
            (bindings[:object].order.paied_at == 0 || bindings[:object].order.paied_at == nil) ? Time.at(0) : Time.at(bindings[:object].order.paied_at)
           end
         end
      end
      field :order_dt_state, :enum do
        filterable true
        enum do
          DT_STATUS_ENUM
        end
      end
      field :send
    end
    show do
      field :id
      field :order_no
      field :product_id
      field :title
      field :nums
      field :order_dt_id
      field :send
    end

    edit do
      field :id
      field :order_no
      field :product_id
      field :title
      field :nums
      field :order_dt_id
      field :send
    end

    export do
      include_all_fields
      field :wx_user_id do
        formatted_value do
          bindings[:object].order.wx_user_id
        end
      end
      field :paid_time
    end
  end
end