rails/init.rb in usher-0.5.11 vs rails/init.rb in usher-0.5.12

@@ -1,8 +1,24 @@
-if Rails::VERSION::MAJOR == 2 && Rails::VERSION::MINOR == 3
-  ActionController::Routing.module_eval "remove_const(:Routes); Routes = Usher::Interface.for(:rails2_3)"
-elsif Rails::VERSION::MAJOR == 2 && Rails::VERSION::MINOR >= 2
-  class Usher::Interface::Rails2_2Interface::Mapper
-    include ActionController::Resources
-  end
-  ActionController::Routing.module_eval "remove_const(:Routes); Routes = Usher::Interface.for(:rails2_2)"
-end
+rails_version = "#{Rails::VERSION::MAJOR}.#{Rails::VERSION::MINOR}"
+
+case rails_version
+  when '2.3'
+    ActionController::Routing.module_eval "remove_const(:Routes); Routes = Usher::Interface.for(:rails23)"
+
+  when '2.2'
+    class Usher::Interface::Rails22::Mapper
+      include ActionController::Resources
+    end
+    ActionController::Routing.module_eval "remove_const(:Routes); Routes = Usher::Interface.for(:rails22)"
+
+  when '2.0'
+    class Usher::Interface::Rails20::Mapper
+      include ActionController::Resources
+    end
+
+    ActionController::Routing.module_eval <<CODE
+      remove_const(:Routes);
+      interface = Usher::Interface.for(:rails20);
+      interface.configuration_file = File.join(RAILS_ROOT, 'config', 'routes.rb')
+      Routes = interface;
+CODE
+end
\ No newline at end of file