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rails--rails/railties/lib/rails/rack/metal.rb
John Duff 0c68d23f19 make pass through error code configurable [#2817 state:resolved]
Signed-off-by: Joshua Peek <josh@joshpeek.com>
2009-07-22 22:21:06 -05:00

59 lines
1.6 KiB
Ruby

require 'active_support/ordered_hash'
require 'active_support/core_ext/class/attribute_accessors'
require 'active_support/dependencies'
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
cattr_accessor :pass_through_on
self.pass_through_on = 404
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_dependency metal
requested_metal.constantize
end
end.compact
end
def initialize(app)
@app = app
@pass_through_on = {}
[*self.class.pass_through_on].each { |status| @pass_through_on[status] = true }
@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 @pass_through_on.include?(result[0].to_i)
end
@app.call(env)
end
end
end
end