module CopyTunerClient::Rails

def self.controller_of_rails_engine?(controller) 

def self.controller_of_rails_engine?(controller)
  # SEE: https://github.com/rails/rails/blob/539144d2d61770dab66c8643e744441e52538e09/activesupport/lib/active_support/core_ext/module/introspection.rb#L39-L63
  engine_namespaces.include?(controller.class.module_parents[-2])
end

def self.engine_namespaces 

def self.engine_namespaces
  @engine_namespaces ||= ::Rails::Engine.subclasses.filter_map { _1.instance.railtie_namespace }
end

def self.initialize

for Rails applications. Must be called after framework initialization.
Sets up the logger, environment, name, project root, and framework name 
def self.initialize
  CopyTunerClient.configure(false) do |config|
    config.environment_name = ::Rails.env
    config.logger           = if defined?(::Rails::Console)
      Logger.new('/dev/null')
    elsif defined?(::Rails) && ::Rails.env.development?
      Logger.new('log/copy_tuner.log')
    else
      ::Rails.logger
    end
    config.framework = "Rails: #{::Rails::VERSION::STRING}"
    config.middleware = ::Rails.configuration.middleware
    config.download_cache_dir = ::Rails.root.join('tmp', 'cache', 'copy_tuner_client')
  end
end