statement_admin/app/models/wa_id_user.rb

# encoding:utf-8
require 'digest/md5'
class WaIdUser < ActiveRecord::Base
  has_paper_trail
  self.table_name = "wa_id_users"
  belongs_to :wa_id_department, :foreign_key => :department_id
  before_save :before_save
  validates :upsd, :salt, presence: true

  def role_names
    names = ""
    sql = "select p.name as role_name from wa_id_user_roles rp left JOIN wa_id_roles p on rp.role_id = p.id where rp.user_id = #{self.id}"
    roleNames = WaIdUser.find_by_sql(sql)
    roleNames.each do |u|
        names = names + u.role_name + ','
    end
    return names
  end

  STATUS_ENUM = [["使用中","active"]]

  rails_admin do
    navigation_label '报表权限管理系统'
    weight -150

    list do
        filters [:id]
        field :id
        field :uaccount
        field :uname
        field :role_names
        field :wa_id_department
        field :status, :enum do
            enum do 
                STATUS_ENUM
            end
        end
        field :is_god
    end

    show do
        field :id
        field :uaccount
        field :uname
        field :role_names
        field :wa_id_department
        field :status, :enum do
            enum do 
                STATUS_ENUM
            end
        end
        field :is_god

        field :created_at
        field :updated_at
    end

    edit do
        field :uaccount
        field :uname
        field :upsd, :password
        field :salt, :password
        field :status, :enum do
            enum do 
                STATUS_ENUM
            end
        end
        field :wa_id_department
        field :is_god

    end
  end

  def before_save
    md5_pwd = Digest::MD5.hexdigest(self.salt + self.upsd)
    self.upsd = md5_pwd
  end
end