From: Iain Barnett <iainspeed@...>
Date: 2011-03-29T04:16:29+09:00
Subject: Logger for class method from an included module

Hi,

I want to log what's happening when a class method is called, using a Logger instance. The code resembles this: 

    
      module Helpers
        def self.included(klass)
          klass.extend ClassMethods
        end
        
        module ClassMethods
    
          def my_classy_method( arg1, arg2 )
	    #I want to log in here
            ...
          end

        end#ClassMethods

      end#Helpers


    class User
      
      include Helpers

      #boring stuff...

    end


    #called as such
    User.my_classy_method( "blah", "plop" )


I've no idea where I should send the logger instance to that I've already set up in the rest of the app. Would someone be good enough to enlighten me? Should I perhaps alter the method signature to send the logger in as an argument on the end like this:

    def my_classy_method( arg1, arg2, options={} )
      options[:logger].debug ...

    User.my_classy_method( "blah", "plop", {logger: @logger} )

or would that be bad form?

Any help on the matter is much appreciated.


Regards,
Iain