require 'carrierwave'

##
# Code copied straight from the CarrierWave source.
# All we did is add `options[:expire_at]`.
#
# @todo Upgrade to CarrierWave 2.0.2 to make this patch obsolete.
class CarrierWave::Storage::Fog::File
  def authenticated_url(options = {})
    if ['AWS', 'Google', 'Rackspace', 'OpenStack'].include?(@uploader.fog_credentials[:provider])
      # avoid a get by using local references
      local_directory = connection.directories.new(:key => @uploader.fog_directory)
      local_file = local_directory.files.new(:key => path)
      expire_at = options[:expire_at] || ::Fog::Time.now + @uploader.fog_authenticated_url_expiration
      case @uploader.fog_credentials[:provider]
        when 'AWS', 'Google'
          # Older versions of fog-google do not support options as a parameter
          if url_options_supported?(local_file)
            local_file.url(expire_at, options)
          else
            warn "Options hash not supported in #{local_file.class}. You may need to upgrade your Fog provider."
            local_file.url(expire_at)
          end
        when 'Rackspace'
          connection.get_object_https_url(@uploader.fog_directory, path, expire_at, options)
        when 'OpenStack'
          connection.get_object_https_url(@uploader.fog_directory, path, expire_at)
        else
          local_file.url(expire_at)
      end
    end
  end
end