class ProfileHeaderUploader < BaseUploader def default_url(*args) "/images/header/#{[version_name || args.first, 'no_header.jpg'].compact.join('/')}" end version :web do process resize_to_fit: [1500, 350] end version :mobile do process resize_to_fit: [450, 105] end version :retina do process resize_to_fit: [900, 210] end end