Module: ActiveSupport::OperationLogger::EventSubscriberFactory

Defined in:
lib/active_support/operation_logger.rb

Overview

A generic factory responsible for creating classes that can be used to create LogSubscribers that integrate with ActiveSupport::Notifications and mirror the functionality of ActiveRecord::LogSubscriber

Class Method Summary collapse

Class Method Details

.subscriber_for(klass) ⇒ Object 



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# File 'lib/active_support/operation_logger.rb', line 52

def self.subscriber_for(klass)
  Class.new(ActiveSupport::LogSubscriber) do
    def initialize
      super
      @odd = false
    end

    def odd?
      @odd = !@odd
    end

    def call(event)
      name = "#{event.payload[:name]} (#{event.duration.round(1)}ms)"
      command = event.payload[:command]
      if odd?
        name = color(name, ActiveSupport::LogSubscriber::CYAN, true)
        command = color(command, nil, true)
      else
        name = color(name, ActiveSupport::LogSubscriber::MAGENTA, true)
      end

      debug "  #{name}  #{command}"
    end
  end
end