methodmissing · November 9, 2008 10:54 · Nov 9, 2008
diff --git a/gistfile1.rbx b/gistfile1.rbx
@@ -0,0 +1,58 @@
+class RouteFilter
+
+  class << self
+
+    def routes
+      ActionController::Routing::Routes.routes  
+    end    
+
+    def controllers
+      ::Object.subclasses_of( ::ActionController::Base )
+    end
+
+    def prune!
+      controllers.each do |controller|
+        puts "** Pruning routes for #{controller.to_s}"
+        new( controller ).prune!
+      end  
+    end
+
+  end
+
+  attr_accessor :controller
+
+  def initialize( controller )
+    @controller = controller
+  end  
+
+  def path
+    @controller.controller_path
+  end
+
+  def routes
+    @routes ||= self.class.routes.find_all{|r| r.requirements[:controller] == path }
+  end
+
+  def routeable_actions
+    @actions_from_routes ||= @routes.map{|r| r.requirements[:action] }.to_set
+  end
+
+  def defined_actions
+    @defined_actions ||= @controller.action_methods
+  end
+
+  def pruneable_actions
+    @pruneable_actions ||= routeable_actions ^ defined_actions
+  end
+
+  def pruneable_routes
+    routes.find_all{|r| pruneable_actions.include?( r.requirements[:action] ) }
+  end
+
+  def prune!
+    pruneable_routes.each do |pruneable|
+      RouteFilter.routes.delete(pruneable)
+    end
+  end
+
+end