class PostsController < ApplicationController

  include ApplicationHelper 

  load_and_authorize_resource :topic
  load_and_authorize_resource :post, :through => :topic, :shallow => true

  before_filter :check_for_cancel#, :only[:create, :update]

  def show
    @topic = @post.topic
    @my_blockquote = block_quote
  end

  def new
    if params[:quote]
      quote_post = Post.find(params[:quote])
      if quote_post
        @post.body = "[quote=#{quote_post.user.username}]#{quote_post.body}[/quote]"
      end
    end
  end
  
  def create
    check_for_cancel
    @post.user ||= current_user
    if @post.save
      flash[:notice] = "Post was successfully created."
      redirect_to topic_path(@post.topic, :page => @post.topic.posts.page.per(10).num_pages, :anchor => @post.id)
    else
      render :action => 'new'
    end
  end
  
  def update
    if @post.update_attributes(params[:post])
      flash[:notice] = "Post was successfully updated."
      redirect_to topic_path(@post.topic, :page => @post.topic.posts.page.per(10).num_pages, :anchor => @post.id)
    end
  end
  
  def destroy  
    if @post.topic.posts_count > 1
      if @post.destroy
        flash[:notice] = "Post was successfully destroyed."
        redirect_to topic_path(@post.topic)
      end
    else
      if @post.topic.destroy
        flash[:notice] = "Topic was successfully deleted."
        redirect_to forum_path(@post.forum)
      end
    end
  end
  
  def check_for_cancel
    if params[:commit] == 'cancel'
      redirect_to topic_path(@post.topic)
    end
  end

end