partition_photo_ids.rake

desc 'partition photo ids' 
task :partition_photo_ids => :environment do 
  for p in Photo.all
    base_path = p.data.path.split(p.id.to_s).first
    orig_path = base_path + p.id.to_s
    if FileTest.directory?( orig_path )
      new_path = base_path + ("%09d" % p.id).scan(/\d{3}/).join("/")
      `mkdir -p #{new_path} && mv #{orig_path}/* #{new_path} && rmdir #{orig_path}`
    else
      p.destroy
    end
  end
end