class CommentsController < ApplicationController
  before_filter :find_post
  
  # POST /comments
  # POST /comments.xml
  def create
    @comment = @post.comments.build(params[:comment])

    respond_to do |format|
      if @comment.save
        flash[:notice] = 'Comment was successfully created.'
        format.html { redirect_to comment_url(@post, @comment) }
        format.xml  { head :created, :location => comment_url(@post, @comment) }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @comment.errors.to_xml }
      end
    end
  end

  # DELETE /comments/1
  # DELETE /comments/1.xml
  def destroy
    @comment = @post.comments.find(params[:id])
    @comment.destroy

    respond_to do |format|
      format.html { redirect_to comments_url(@post) }
      format.xml  { head :ok }
    end
  end
  
  private
    def find_post
      @post = Post.find_by_permalink(params[:post_id])
    end
end