Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/serialize_json.rb

Class Method Summary collapse

Class Method Details

.serialize_json(attribute, opts = {}) ⇒ Object


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# File 'lib/active_record/serialize_json.rb', line 68

def self.serialize_json(attribute, opts = {})
  sj = SerializeJSON.new(attribute, opts)

  after_save  sj
  before_save sj

  unless respond_to?(:serialize_json_attributes)
    cattr_accessor :serialize_json_attributes
    self.serialize_json_attributes = {}
  end
  serialize_json_attributes[sj.attribute] = sj

  if ::ActiveRecord::VERSION::MAJOR >= 3
    class_eval do
      after_find do |record|
        serialize_json_attributes.each do |attribute, sj|
          record.instance_eval do
            write_attribute(attribute, sj.deserialize(record))
          end
        end
      end
    end
  else
    class_eval do
      define_method(:after_find) do
        super if defined? super
        self.class.serialize_json_attributes.each do |attribute, sj|
          write_attribute(attribute, sj.deserialize(self))
        end
      end
    end
  end
end