Goodbye ActiveRecord::NamedScope::Scope

activerecord/lib/active_record/named_scope.rb

@@ -25,7 +25,8 @@ module ClassMethods
       # You can define a scope that applies to all finders using ActiveRecord::Base.default_scope.
       def scoped(options = {}, &block)
         if options.present?
-          Scope.init(self, options, &block)
+          relation = scoped.apply_finder_options(options)
+          block_given? ? relation.extending(Module.new(&block)) : relation
         else
           current_scoped_methods ? unscoped.merge(current_scoped_methods) : unscoped.clone
         end
@@ -107,13 +108,22 @@ def scope(name, options = {}, &block)
         end
 
         scopes[name] = lambda do |parent_scope, *args|
-          Scope.init(parent_scope, case options
-            when Hash, Relation
-              options
-            when Proc
-              options.call(*args)
-          end, &block)
+          scope_options = case options
+          when Hash, Relation
+            options
+          when Proc
+            options.call(*args)
+          end
+
+          relation = if scope_options.is_a?(Hash)
+            parent_scope.scoped.apply_finder_options(scope_options)
+          else
+            scope_options ? parent_scope.scoped.merge(scope_options) : parent_scope.scoped
+          end
+
+          block_given? ? relation.extending(Module.new(&block)) : relation
         end
+
         singleton_class.instance_eval do
           define_method name do |*args|
             scopes[name].call(self, *args)
@@ -127,33 +137,5 @@ def named_scope(*args, &block)
       end
     end
 
-    class Scope < Relation
-      delegate :scopes, :with_scope, :with_exclusive_scope, :scoped_methods, :scoped, :to => :klass
-
-      def self.init(klass, options, &block)
-        relation = new(klass, klass.arel_table, &block)
-
-        scope = if options.is_a?(Hash)
-          klass.scoped.apply_finder_options(options)
-        else
-          options ? klass.scoped.merge(options) : klass.scoped
-        end
-
-        relation.merge(scope)
-      end
-
-      def ==(other)
-        case other
-        when Scope
-          to_sql == other.to_sql
-        when Relation
-          other == self
-        when Array
-          to_a == other.to_a
-        end
-      end
-
-    end
-
   end
 end

activerecord/lib/active_record/relation.rb

@@ -311,11 +311,22 @@ def eager_loading?
       @should_eager_load ||= (@eager_load_values.any? || (@includes_values.any? && references_eager_loaded_tables?))
     end
 
+    def ==(other)
+      case other
+      when Relation
+        other.to_sql == to_sql
+      when Array
+        to_a == other.to_a
+      end
+    end
+
     protected
 
     def method_missing(method, *args, &block)
       if Array.method_defined?(method)
         to_a.send(method, *args, &block)
+      elsif @klass.scopes[method]
+        merge(@klass.send(method, *args, &block))
       elsif @klass.respond_to?(method)
         @klass.send(:with_scope, self) { @klass.send(method, *args, &block) }
       elsif arel.respond_to?(method)

activerecord/lib/active_record/relation/predicate_builder.rb

@@ -23,7 +23,7 @@ def build_from_hash(attributes, default_table)
           attribute = table[column]
 
           case value
-          when Array, ActiveRecord::Associations::AssociationCollection, ActiveRecord::NamedScope::Scope
+          when Array, ActiveRecord::Associations::AssociationCollection, ActiveRecord::Relation
             values = value.to_a
             attribute.in(values)
           when Range