thoughtbot/paperclip

require 'paperclip'
require 'paperclip/schema'

module Paperclip
  require 'rails'

  class Railtie < Rails::Railtie
    initializer 'paperclip.insert_into_active_record' do |app|
      ActiveSupport.on_load :active_record do
        Paperclip::Railtie.insert
      end

      if app.config.respond_to?(:paperclip_defaults)
        Paperclip::Attachment.default_options.merge!(app.config.paperclip_defaults)
      end
    end

    rake_tasks { load "tasks/paperclip.rake" }
  end

  class Railtie
    def self.insert
      Paperclip.options[:logger] = Rails.logger

      if defined?(ActiveRecord)
        Paperclip.options[:logger] = ActiveRecord::Base.logger
        ActiveRecord::Base.send(:include, Paperclip::Glue)
      end
    end
  end
end