Class: RequestHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/yodel/application/request_handler.rb

Constant Summary collapse

PATH_FORMAT_REGEX = 
/^(?<path>.*?)(\.(?<format>\w+))?$/

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/yodel/application/request_handler.rb', line 4

def call(env)
  # find the site this request is for
  request  = Rack::Request.new(env)
  response = Rack::Response.new
  site = env['yodel.site']

  # temporary workaround to force rack to write the session out to a cookie
  env['rack.session']['a'] = 1

  # split the request path into a standard path and trailing file extension if present
  components = PATH_FORMAT_REGEX.match(request.path.downcase)
  return fail_with "Unable to parse request path: #{request.path}" if components.nil?
  path, format = components.captures
  path = path[0...-1] if path.end_with?('/') && path.length != 1
  
  # match the request to the closest mime type we're aware of
  mime_type = Yodel.mime_types.mime_type_for_request(format, request.env['HTTP_ACCEPT'])
  
  # attempt to find a matching page for this request
  page = site.pages.where(path: path).first
  if page.nil?
    site.glob_pages.all.each do |glob_page|
      if path.start_with?(glob_page.path)
        page = glob_page
        request.params['glob'] = path[glob_page.path.length..-1]
        break
      end
    end
    return fail_with "File (#{request.path}) not found." if page.nil?
  end
  
  # respond
  Layout.reload_layouts(site) if Yodel.env.development? # FIXME: implement production caching
  page.respond_to_request(request, response, mime_type)
  if page.response.respond_to?(:finish)
    page.response.finish
  else
    page.response
  end
end

#fail_with(message) ⇒ Object 



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# File 'lib/yodel/application/request_handler.rb', line 45

def fail_with(message)
  [404, {'Content-Type' => 'text/plain'}, [message]]
end