require 'rack/cache' module Locomotive module Middlewares class Cache def initialize(app, opts = {}, &block) url_format = Locomotive::Dragonfly.app.configuration[:url_format] base_format = url_format.split('/:').first @regexp = %r{^#{base_format}/} @app = app @context = ::Rack::Cache.new(app, opts, &block) end def call(env) if env['PATH_INFO'] =~ @regexp @context.call(env) else @app.call(env) end end end end end