blar.rb

asset.rb

module Prunable
  def from_assets(assets)
    assets.select &method(:is_prunable?) 
  end
  
  def is_prunable?(asset)
    asset.created_at < Date.today - 30
  end
  
  module_function from_assets, is_prunable?
end

blar.rb

# a Resque job that deletes old images from an S3 bucket

class S3Pruner < JobProcessor
  def process_job
    Image.all.select do |image|
      image.created_at < Date.today - 30
    end.each do |image|
      S3Object.delete image.s3_object_name, image.s3_bucket_name
      image.destroy
    end
  end
end

class SoundCloudPruner < JobProcessor
  def process_job
    Audio.all.select do |audio|
      audio.created_at < Date.today - 30
    end.each do |audio|
      MyApp::SoundCloud.client.delete audio.uri
      audio.destroy
    end
  end
end

blar2.rb

# a Resque job that deletes old images from an S3 bucket

class S3Pruner < JobProcessor
  def process_job
    Prunable.from_assets(Image.all).each do |image|
      S3Object.delete image.s3_object_name, image.s3_bucket_name
      image.destroy
    end
  end
end

class SoundCloudPruner < JobProcessor
  def process_job
    Prunable.from_assets(Audio.all).each do |audio|
      MyApp::SoundCloud.client.delete audio.uri
      audio.destroy
    end
  end
end