Module: ControllerRuntime

Defined in:
lib/controller_runtime.rb,
lib/controller_runtime/version.rb,
lib/controller_runtime/runtime_registry.rb

Defined Under Namespace

Modules: RuntimeRegistry

Constant Summary collapse

VERSION = 
"0.1.2"

Class Method Summary collapse

Class Method Details

.make_controller_runtime(name, label) ⇒ Object 



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# File 'lib/controller_runtime.rb', line 19

def self.make_controller_runtime(name, label)
  runtime_attr = "#{name.to_s.underscore}_runtime".to_sym
  runtime_attr_setter = "#{name.to_s.underscore}_runtime=".to_sym

  Module.new do
    extend ActiveSupport::Concern

    const_set(:ClassMethods, Module.new do
      define_method :log_process_action do |payload|
        messages = super(payload)
        runtime = payload["#{name}_runtime".to_sym]
        messages << ("#{label}: %.1fms" % runtime.to_f) if runtime
        messages
      end
    end)

    define_method :initialize do |*args|
      super(*args)
      send(runtime_attr_setter, nil)
    end

    private

    attr_internal runtime_attr

    define_method :process_action do |action, *args|
      RuntimeRegistry.reset(name)
      super(action, *args)
    end

    define_method :cleanup_view_runtime do |&block|
      runtime_before_render = RuntimeRegistry.reset(name)
      send(runtime_attr_setter, (send(runtime_attr) || 0.0) + runtime_before_render)
      runtime = super(&block)
      runtime_after_render = RuntimeRegistry.reset(name)
      send(runtime_attr_setter, send(runtime_attr) + runtime_after_render)
      runtime - runtime_after_render
    end

    define_method :append_info_to_payload do |payload|
      super(payload)

      payload["#{name}_runtime".to_sym] = (send(runtime_attr) || 0.0) + RuntimeRegistry.reset(name)
    end
  end
end

.register(name, event:, label: name.to_s.titelize) ⇒ Object 



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# File 'lib/controller_runtime.rb', line 7

def self.register(name, event:, label: name.to_s.titelize)
  runtime_class = make_controller_runtime(name, label)

  ActiveSupport.on_load(:action_controller) do
    include runtime_class
  end

  ActiveSupport::Notifications.monotonic_subscribe(event) do |_name, start, finish, _id, _payload|
    ControllerRuntime::RuntimeRegistry.increment_runtime(name, (finish - start) * 1_000.0)
  end
end