work on controllers/views started

app/controllers/posts_controller.rb

@@ -1,16 +1,39 @@
 class PostsController < ApplicationController
   before_filter :member_only, :except => [:show, :index]
-  after_filter :save_recent_tags, :only => [:create, :update]
+  after_filter :save_recent_tags, :only => [:update]
+  respond_to :html, :xml, :json
   
   def index
+    @post_set = PostSet.new(params[:tags], params[:page], @current_user, params[:before_id])
+    respond_with(@post_set) do |fmt|
+      fmt.js
+    end
   end
   
   def show
+    @post = Post.find(params[:id])
+    respond_with(@post)
   end
   
   def update
+    @post = Post.find(params[:id])
+    @post.update_attributes(params[:post].merge(:updater_id => @current_user.id, :updater_ip_addr => request.remote_ip))
+    respond_with(@post)
   end
   
   def revert
+    @post = Post.find(params[:id])
+    @version = PostVersion.find(params[:version_id])
+    @post.revert_to!(@version, @current_user.id, request.remote_ip)
+    respond_width(@post)
+  end
+
+private
+  def save_recent_tags
+    if params[:tags] || (params[:post] && params[:post][:tags])
+      tags = Tag.scan_tags(params[:tags] || params[:post][:tags])
+      tags = TagAlias.to_aliased(tags) + Tag.scan_tags(session[:recent_tags])
+      session[:recent_tags] = tags.uniq.slice(0, 40).join(" ")
+    end
   end
 end