Module: ActionController::Renderers

Defined in:
lib/scribo/action_controller_renderers.rb

Overview

Add scribo as a renderer

Instance Method Summary collapse

Instance Method Details

#stream_data(data, options = {}) ⇒ Object

See: stackoverflow.com/a/57786143



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# File 'lib/scribo/action_controller_renderers.rb', line 48

def stream_data(data, options = {})
  range_start = 0
  file_size = data.length
  range_end = file_size
  status_code = '200'

  if request.headers['Range']
    status_code = '206'
    request.headers['range'].match(/bytes=(\d+)-(\d*)/).try do |match|
      range_start = match[1].to_i
      range_end = match[2].to_i unless match[2] && match[2].empty?
    end
    response.header['Content-Range'] = "bytes #{range_start}-#{range_end}/#{file_size}"
  end

  response.header['Accept-Ranges'] = 'bytes'

  send_data(data[range_start, range_end],
            filename: options[:filename],
            type: options[:type],
            disposition: 'inline',
            status: status_code)
end