comments_controller.rb

class CommentsController < ApplicationController
  # POST /comments
  # POST /comments.xml
  def create
      @post = Post.find(params[:post_id])
      @comment = @post.comments.create(params[:comment])
      respond_to do |format|
        format.html { redirect_to post_path(@post) }
        format.js
      end
  end

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

    respond_to do |format|
      format.html { redirect_to(comments_url) }
      format.xml  { head :ok }
    end
  end
end