gistfile1.rb

class Work < ActiveRecord::Base
  attr_accessible :client, :client_ids, :date, :description, :featured, :image, :name, :service
  
  validates_presence_of :date, :client_ids, :name
  validates_length_of   :description, :in => 5..500, :allow_blank => true
  validates_length_of   :name, :in => 5..50
  
  has_many :postings
  has_many :clients, :through => :postings
  
  mount_uploader :image, ImageUploader
  
  after_save :enqueue_image

  def image_name
    File.basename(image.path || image.filename) if image
  end

  def enqueue_image
    ImageWorker.perform_async(id, key) if key.present?
  end

  class ImageWorker
    include Sidekiq::Worker

    def perform(id, key)
      work = Work.find(id)
      work.key = key
      work.remote_image_url = work.image.direct_fog_url(with_path: true)
      work.save!
      work.update_column(:image_processed, true)
    end
  end
end