Add configure method and logger option to choose other logger

README.md

@@ -16,6 +16,15 @@ Or install it yourself as:
 
     $ gem install rails_big_brother
 
+## Configuration
+
+```ruby
+RailsBigBrother.config do |config|
+  config.format = "big_brother;%<user>s;%<controller_info>s;%<class>s;%<id>s;%<action>s;%<args>s"
+  config.logger = Rails.logger
+end
+```
+
 ## Usage
 
 Simply add this line in the model you want to log :
@@ -23,18 +32,6 @@ Simply add this line in the model you want to log :
 big_brother_watch
 ```
 
-### Define log format
-
-The default log format is :
-```ruby
-"%<big_brother>s;%<user>s;%<controller_info>s;%<class>s;%<id>s;%<action>s;%<args>s"
-```
-
-To define a new format, add this in an initializer :
-```ruby
-RailsBigBrother.format = "new_format"
-```
-
 ### User and controller info
 
 To fill user and controller info, you need to define two methods in your `ApplicationController`

lib/rails_big_brother.rb

@@ -3,12 +3,19 @@ require "rails_big_brother/controller"
 require "rails_big_brother/model"
 
 module RailsBigBrother
-  def format=(value)
-    @format = value
+  class << self
+    attr_writer :format, :logger
+
+    def logger
+      @logger ||= Rails.logger
     end
 
     def format
-    @format ||= "%<big_brother>s;%<user>s;%<controller_info>s;%<class>s;%<id>s;%<action>s;%<args>s"
+      @format ||= "big_brother;%<user>s;%<controller_info>s;%<class>s;%<id>s;%<action>s;%<args>s"
+    end
+
+    def configure(&block)
+      yield(self) if block_given?
     end
 
     def user=(value)
@@ -43,8 +50,7 @@ module RailsBigBrother
     def store
       Thread.current[:big_brother_log] ||= {}
     end
-
-  extend self
+  end
 end
 
 ActiveSupport.on_load(:active_record) do

lib/rails_big_brother/model.rb

@@ -48,9 +48,8 @@ module RailsBigBrother
       end
 
       def big_brother_log(action, *args)
-        Rails.logger.info RailsBigBrother.format %
+        RailsBigBrother.logger.info RailsBigBrother.format %
         {
-          big_brother: "big_brother",
           user: RailsBigBrother.user,
           controller_info: RailsBigBrother.controller_info_string,
           class: self.class.name,