path2route.rb

#!/usr/bin/ruby

require 'optparse'

def read_paths_from_file(file)
  File.new(file).readlines.map(&:strip)
end

def request_params(path, method = :get)
  ActionController::Routing::Routes.recognize_path(path, {:method => method})
end

options = {
  :method => :get,
  :env => 'development'
}

OptionParser.new do |opts|
  #opts.on('-c', '--config', 'Environment config directory') do |c|
  #end

  opts.on('-e', '--env ENV', 'Rails env') do |e|
    options[:env] = e
  end
  
  opts.on('-i', '--input FILE', 'File to read URLs from (one per line)') do |i|
    options[:input] = i
  end

  opts.on('-m', '--method METHOD', 'HTTP request method') do |m|
    options[:method] = m.downcase.to_sym
  end
end.parse!

if options[:input]
  abort "Input file #{options[:input]} doesn't exists" if !File.exists?(options[:input])
  @urls = read_paths_from_file(options[:input])
else
  @urls = ARGV.clone
end

abort "Nothing to do" if @urls.empty?

ENV['RAILS_ENV'] ||= options[:env]

require 'config/environment'

w = {
  :path => 0,
  :method => 0,
  :params => 0
}

routes = @urls.map do |path|
  method = options[:method].to_s
  params = request_params(path, options[:method])
  w[:path] = path.length if path.length > w[:path]
  w[:method] = method.length if method.length > w[:method]
  #cols_width[:params] = params.inspect.length if params.inspect.length > w[:params]
  {:path => path, :method => method.upcase, :params => params.inspect}
end

routes.each do |r|
  puts "%s  %s  %s" % [:path, :method, :params].map {|c| r[c].ljust(w[c])}
end