Debug Log

debug_log.rb

require 'singleton'

class DebugLog < Logger
  include Singleton

  def initialize(log_file = 'debug')
    super(Rails.root.join("log/#{log_file}.log"))
    self.formatter = formatter()
    self
  end

  # Optional, but good for prefixing timestamps automatically
  def formatter
    Proc.new{|severity, time, progname, msg|
      formatted_severity = sprintf("%-5s",severity.to_s)
      formatted_time = time.strftime("%Y-%m-%d %H:%M:%S")
      "[#{formatted_severity} #{formatted_time} #{$$}] #{msg.to_s.strip}\n"
    }
  end

  class << self
    delegate :error, :debug, :fatal, :info, :warn, :add, :log, :to => :instance

    def p(msg)
      self.info(JSON.pretty_generate(msg))
    end
  end
end