config/initializers/paperclip.rb

   1 module Paperclip
   2   class AssetUrlGenerator < UrlGenerator
   3     include Sprockets::Rails::Helper
   4
   5     def for(style_name, options)
   6       url = super(style_name, options)
   7
   8       if url =~ %r{^/assets/(.*)$}
   9         asset_path(Regexp.last_match(1))
  10       else
  11         url
  12       end
  13     end
  14   end
  15 end
  16
  17 Rails.application.config.after_initialize do |_app|
  18   Paperclip::AssetUrlGenerator::VIEW_ACCESSORS.each do |attr|
  19     Paperclip::AssetUrlGenerator.send("#{attr}=", ActionView::Base.send(attr))
  20   end
  21 end
  22
  23 Paperclip::Attachment.default_options[:url] = "/attachments/:class/:attachment/:id_partition/:style/:fingerprint.:extension"
  24 Paperclip::Attachment.default_options[:path] = "#{ATTACHMENTS_DIR}/:class/:attachment/:id_partition/:style/:fingerprint.:extension"
  25 Paperclip::Attachment.default_options[:url_generator] = Paperclip::AssetUrlGenerator