+++ /dev/null
-require 'active_support/ordered_hash'
-
-module Rails
- module Rack
- class Metal
- NotFoundResponse = [404, {}, []].freeze
- NotFound = lambda { NotFoundResponse }
-
- cattr_accessor :metal_paths
- self.metal_paths = ["#{Rails.root}/app/metal"]
- cattr_accessor :requested_metals
-
- def self.metals
- matcher = /#{Regexp.escape('/app/metal/')}(.*)\.rb\Z/
- metal_glob = metal_paths.map{ |base| "#{base}/**/*.rb" }
- all_metals = {}
-
- metal_glob.each do |glob|
- Dir[glob].sort.map do |file|
- file = file.match(matcher)[1]
- all_metals[file.camelize] = file
- end
- end
-
- load_list = requested_metals || all_metals.keys
-
- load_list.map do |requested_metal|
- if metal = all_metals[requested_metal]
- require metal
- requested_metal.constantize
- end
- end.compact
- end
-
- def initialize(app)
- @app = app
- @metals = ActiveSupport::OrderedHash.new
- self.class.metals.each { |app| @metals[app] = true }
- freeze
- end
-
- def call(env)
- @metals.keys.each do |app|
- result = app.call(env)
- return result unless result[0].to_i == 404
- end
- @app.call(env)
- end
- end
- end
-end