Fixed up new post form

added a cancel button

app/controllers/posts_controller.rb

@@ -1,7 +1,9 @@
 class PostsController < ApplicationController
   load_and_authorize_resource :topic
   load_and_authorize_resource :post, :through => :topic, :shallow => true
-    
+
+  before_filter :check_for_cancel#, :only[:create, :update]
+
   def new
     if params[:quote]
       quote_post = Post.find(params[:quote])
@@ -12,6 +14,7 @@ class PostsController < ApplicationController
   end
   
   def create
+    check_for_cancel
     @post.user ||= current_user
     if @post.save
       flash[:notice] = "Post was successfully created."
@@ -42,4 +45,10 @@ class PostsController < ApplicationController
     end
   end
   
+  def check_for_cancel
+    if params[:commit] == 'cancel'
+      redirect_to topic_path(@post.topic)
+    end
+  end
+
 end