Use prepend_before_filter instead of append_before_filter

lib/rails_locale_detection/controller_methods.rb

@@ -9,7 +9,7 @@ module ControllerMethods
 
     module ClassMethods
       def detect_locale
-        append_before_filter LocaleDetector
+        prepend_before_filter LocaleDetector
       end
     end
 

lib/rails_locale_detection/locale_detector.rb

@@ -2,21 +2,25 @@ module RailsLocaleDetection
   class LocaleDetector
     include DetectionMethods
     include LocaleAccessors
-    
+
     attr_reader :controller
-    
-    delegate :cookies, :params, :request, :default_url_options, :user_locale, :to => :controller
-    
+
+    delegate :params, :request, :default_url_options, :user_locale, :to => :controller
+
     def initialize(controller = nil)
       @controller = controller
     end
-    
+
     def locale_key
       RailsLocaleDetection.locale_key
     end
-
+
+    def cookies
+      @controller.send(:cookies)
+    end
+
     def self.before(controller)
       new(controller).set_locale
     end
   end
-end
+end

spec/support/mocks.rb

@@ -6,18 +6,18 @@ class MockRequest
   def initialize
     @env = {'HTTP_ACCEPT_LANGUAGE' => ''}
   end
-  
+
   def host
     "localhost"
   end
-    
+
   def ssl?
     false
   end
-    
+
   def cookies
     {}
-  end  
+  end
 end
 
 class MockUser
@@ -56,6 +56,11 @@ def self.append_before_filter(*args)
     @before_filters << args
   end
 
+  def self.prepend_before_filter(*args)
+    @before_filters ||= []
+    @before_filters << args
+  end
+
   include RailsLocaleDetection::ControllerMethods
 
-end
+end