Module: S3Streamer::ControllerHelpers

Defined in:
lib/s3streamer/controller_helpers.rb

Instance Method Summary collapse

Instance Method Details

#stream_file(item, options = {}) ⇒ Object 


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# File 'lib/s3streamer/controller_helpers.rb', line 3

def stream_file item, options = {}
  case item.class.to_s
  when "Paperclip::Attachment"
    path = item.path.gsub(/^\//, '')
    options[:name] ||= File.basename(item.original_filename)
    options[:content_type] ||= item.content_type
  else
    path = item
    begin
      options[:name] ||= File.basename(item)
    rescue TypeError => e
      raise TypeError.new e.message +
        " -- #stream_file only accepts String or Paperclip::Attachment" +
        " as its first argument"
    end
  end

  content_disposition = "attachment; filename=#{ options[:name] }"
  # Add content type if we have it
  if options[:content_type]
    content_disposition += "; content-type:#{ options[:content_type] }"
  end
  # Set Content-Disposition HTTP header
  response.headers['Content-Disposition'] = content_disposition

  self.response_body = Streamer.new(path, options[:bucket])
end