Logger

00_my_logger.rb

module SoapService
  class SoapLogger
    attr_accessor :logger

    class << self
      attr_accessor :class_logger
      delegate :info, :warn, :debug, :error, to: :class_logger
    end

    def initialize
      log = Logger.new('log/soap_service.log')
      log.formatter = formatter
      @logger = ActiveSupport::TaggedLogging.new(log)
    end

    def formatter
      Proc.new do |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}\n"
      end
    end

    def info(msg, vacation = nil)
      @logger.tagged(message_header(vacation)) { @logger.info(msg) }
    end

    def warn(msg, vacation = nil)
      @logger.tagged(message_header(vacation)) { @logger.warn(msg) }
    end

    def debug(msg, vacation = nil)
      @logger.tagged(message_header(vacation)) { @logger.debug(msg) }
    end

    def error(msg, vacation = nil)
      @logger.tagged(message_header(vacation)) { @logger.error(msg) }
    end

    def message_header(vacation)
      vacation ? "< vacation_id: #{vacation.id} >" : ''
    end
  end
end

01_initializer.rb

SoapService::SoapLogger.class_logger = SoapService::SoapLogger.new

02_call.rb

SoapLogger.info("Message for log")