blogs_controller.rb

class BlogsController < ApplicationController

  def index
    @posts = Post.find(:all)
  end

  def show
    @post = Post.find(params[:id])
  end

  def new
    @post = Post.new
  end

  def edit
    @post = Post.find(params[:id])
  end

  def create
    @post = Post.new(params[:post])
    if @post.save
      flash[:notice] = 'Post was successfully created.'
      redirect_to blog_path(@post)
    else
      render :action => "new"
    end
  end

  def update
    @post = Post.find(params[:id])
    if @post.update_attributes(params[:post])
     flash[:notice] = 'Post was successfully updated.'
     redirect_to blog_path(@post)
    else
      format.html { render :action => "edit" }
    end
  end

  def destroy
    @post = Post.find(params[:id])
    @post.destroy
    redirect_to blogs_path
  end
end