module Renderable::ClassMethods

Public Instance Methods

acts_as_renderable( options = {} ) click to toggle source

Add auto-rendering behaviour to an ActiveRecord object. This will automatically set up accessors on both original and rendered fields, using attr_accessor

Parameters

options

a Hash containing options for Renderable (see below)

Options

:fields

an array of ActiveRecord fields you wish to make renderable

:suffix

the suffix to use for ‘rendered’ versions of fields. (default: ‘_rendered’)

# File lib/renderable.rb, line 26
def acts_as_renderable( options = {} )
  include InstanceMethods

  # sanity check
  if options[:fields].blank?
    return
  end

  # default options
  options[:suffix]        ||= '_rendered'
  options[:restrictions]  ||= []

  # store the options
  self.renderable_options = options

  # set accessible on fields
  options[:fields].each do |field|
    if ::Rails::VERSION::STRING < '4.0'
      attr_accessible field, "#{field}#{options[:suffix]}"
    end

    define_renderable_callbacks :"#{field}_render"
  end

  # set up callbacks
  define_renderable_callbacks :render

  # hook
  before_save :renderable_render

end