clean up valdiation methods

lib/validates_timeliness/helper_methods.rb

@@ -10,32 +10,30 @@ module ValidatesTimeliness
     end
 
     module ValidationMethods
-      def validates_timeliness_of(*attr_names)
+      def validates_date(*attr_names)
+        timeliness_validation_for attr_names, :date
+      end
+
+      def validates_time(*attr_names)
+        timeliness_validation_for attr_names, :time
+      end
+
+      def validates_datetime(*attr_names)
+        timeliness_validation_for attr_names, :datetime
+      end
+
+      def timeliness_validation_for(attr_names, type)
         options = _merge_attributes(attr_names)
-        attributes = options[:attributes].inject({}) {|validated, attr_name|
+        options[:type] = type
+        attributes = attr_names.inject({}) {|validated, attr_name|
           attr_name = attr_name.to_s
-          validated[attr_name] = options[:type]
+          validated[attr_name] = type
           validated
         }
         self.timeliness_validated_attributes = attributes
         validates_with Validator, options
       end
 
-      def validates_date(*attr_names)
-        options = attr_names.extract_options!
-        validates_timeliness_of *(attr_names << options.merge(:type => :date))
-      end
-
-      def validates_time(*attr_names)
-        options = attr_names.extract_options!
-        validates_timeliness_of *(attr_names << options.merge(:type => :time))
-      end
-
-      def validates_datetime(*attr_names)
-        options = attr_names.extract_options!
-        validates_timeliness_of *(attr_names << options.merge(:type => :datetime))
-      end
-
     end
   end
 end