gistfile1.rb

class Admin::PostsController < ApplicationController
  
  before_filter :authenticate_user!
  respond_to :json

  def index
    @posts = Post.asc(:created_at)
    respond_with(@posts)
  end

  def show
    @post = Post.first(:conditions => { :id => params[:id] } )
  end

  def edit
    @post = Post.first( :conditions => { :id => params[:id] } )
    @form = render_to_string :partial => 'form'
    
    respond_with(@post)
  end
  
  def new
    @post = Post.new
    @form = render_to_string :partial => 'form'
  end
  
  def create
    @post = Post.new(params[:post])
    
    respond_with(@post) do |format|
      if @post.save
        format.json { 
          render :json => { :flash => 'Post created', :id => @post.id }, 
          :status => :created, :location => @post 
        }
      else
        format.json  { 
          render :json => { :flash => 'Could not create Post', :errors => @post.errors }, 
          :status => :unprocessable_entity 
        }
      end
    end
  end

  def update
    @post = Post.first(:conditions => { :id => params[:id] } )
    
    respond_with(@post) do |format|
      if @post.update_attributes(params[:post])
        format.json { 
          render :json => { :flash => 'Post updated', :id => @post.id }, 
          :status => :created, :location => @post 
        }
      else
        format.json  { 
          render :json => { :flash => 'Could not update Post', :errors => @post.errors }, 
          :status => :unprocessable_entity 
        }
      end
    end
  end

  def destroy
    Post.first(:conditions => { :id => params[:id] } ).destroy
    redirect_to admin_posts_path
  end

end