client_management/app/models/site_server.rb

class SiteServer
  include Mongoid::Document
  include Mongoid::Timestamps
  include OrbitCategory::Categorizable
  include OrbitTag::Taggable
  include OrbitModel::Status
  field :server_name , type: String ,default: ''
  field :domain_name , type: String ,default: ''
  field :domain_names, type: Array, default: []
  field :ip , type: String ,default: ''
  field :account , type: String ,default: ''
  field :password , type: String ,default: ''
  field :active , type: Boolean ,default: true
  def domain_names
    if self.domain_name != ''
      [self.domain_name]
    else
      super
    end
  end
  before_save do
    if self.domain_name != '' && self.domain_names.length !=0
      self.domain_name = ''
    end
  end
end