Define Rails3ClassMethods so that named_scope is not called in active…

…record 3

lib/fuzzily/searchable.rb

@@ -139,8 +139,7 @@ module Rails2ClassMethods
 
       def self.extended(base)
         base.class_eval do
-          named_scope :offset, 
-            lambda { |*args| { :offset => args.first } } if respond_to? :named_scope
+          named_scope :offset, lambda { |*args| { :offset => args.first } }
         end
       end
 
@@ -160,7 +159,26 @@ def _with_included_trigrams(_o)
       end
     end
 
-    Rails3ClassMethods = Rails2ClassMethods
+    module Rails3ClassMethods
+      include ClassMethods
+
+      private
+
+      def _add_trigram_association(_o)
+        has_many _o.trigram_association,
+          :class_name => _o.trigram_class_name,
+          :as         => :owner,
+          :conditions => { :fuzzy_field => _o.field.to_s },
+          :dependent  => :destroy,
+          :autosave   => true
+      end
+
+      def _with_included_trigrams(_o)
+        self.scoped(:include => _o.trigram_association)
+      end
+    end
+
+
 
     module Rails4ClassMethods
       include ClassMethods