Contents

require 'active_support/concern'

module Mongoid
  module Archivable

    extend ActiveSupport::Concern

    module Restoration
      # Restores the archived document to its former glory.
      def restore
        document = self.class.to_s.split('::').first # Turns User::Archive into User.

        self.class.const_get(document).create(attributes.except("_id", "original_id", "archived_at")) do |doc|
          doc.id = self.original_id
        end
      end
    end

    included do
      self.const_set("Archive", Class.new)
      self.const_get("Archive").class_eval do
        include Mongoid::Document
        include Mongoid::Attributes::Dynamic
        include Mongoid::Archivable::Restoration
        field :archived_at, type: Time
        field :original_id, type: String
      end

      before_destroy :archive
    end

    private

    def archive
      self.class.const_get("Archive").create(attributes.except("_id")) do |doc|
        doc.original_id = self.id
        doc.archived_at = Time.now.utc
      end
    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
mongoid-archivable-1.1.0	lib/mongoid/archivable.rb