ask/app/models/ask_setting.rb

class AskSetting
  include Mongoid::Document
  include Mongoid::Timestamps
  after_initialize do
    if !self.new_record?
      if self.default_setting.class != Hash && self.default_setting.class != BSON::Document
        self.default_setting = {}
      end
      if self.default_setting[:agree_show].nil?
        self.default_setting[:agree_show] = true
      end
      if self.default_setting[:agree_usage].nil?
        self.default_setting[:agree_usage] = false
      end
      if self.custom_fields.class != Hash && self.custom_fields.class != BSON::Document
        self.custom_fields = {}
      end
      self.save
    end
  end
  def custom_fields
    tmp = super
    tmp.select{|k,v| v['delete'] != true}
  end
  field :default_setting, type: Hash,default: {ask_category_id: true,name: true,sex: false,mail: true,phone: false,appointment: false,recaptcha: false,agree_show: true,agree_usage: false}
  field :custom_fields, type: Hash,default: {}
  field :usage_rule
end