Reflexion on rails routes

rails-route-reflexion.rb

###
# Rails : 5.0.0
# Ruby : 2.3.0
#
# Reflexion on rails routes. Can be usefull to display our applications
# routes in a dev mode. (For example in a development-only namespace /dev/).


##
# Give informations about the routes that use the given verbs (get or post).
#
def inspect_routes(verbs = [:get])
  # Convert the routes as array, taking only routes.
  routes = Rails.application.routes.routes.map { |route| route }

  # We don't won't duplicate paths in our result
  routes.uniq! { |route| route.path.spec.to_s }

  # Exlude the routes we don't want
  routes.select! do |route|
    path = route.path.spec.to_s.gsub(/\(\.:format\)/, '')
    verbs.include?(route.verb.downcase.to_sym) &&
      !path.start_with?('/rails/') &&
      !path.start_with?('/assets/')
  end

  # Create an informative hash with the collected routes
  routes.collect do |route|
    controller_name = route.defaults[:controller].tr('/', '_')
    action_name = route.defaults[:action]
    {
      verb: route.verb.upcase,
      controller: controller_name,
      action: action_name,
      path: route.path.spec.to_s.gsub(/\(\.:format\)/, '')
    }
  end
end

inspect_routes