rails_admin gem config to see original fields encrypted in db using attr_encrypted gem

rails_admin.rb

RailsAdmin.config do |config|
  # include required models
  required_models = ["Blog", "Comment", "User", "Other"]
  required_models.each do |act_model|
    model_class = Object.const_get(act_model)
    config.model act_model do
      # find all attrs that start with encrpted_ (default attr_encrypted convention; change as required)
      encrypted_attrs = model_class.column_names.select{|k| k.match("encrypted_")}
      list do
        include_all_fields
        encrypted_attrs.each do |c|
          field c.to_sym do
            lab = c.gsub('encrypted_','')
            label lab.capitalize
            formatted_value do
              model_class.send("decrypt_#{lab}",value)
            end
          end
        end
      end
    end
  end
end