class CommentsController < ApplicationController 
  helper :profile, :avatar 
  include ProfileHelper 
  before_filter :protect, :load_post 
  
  def new 
    @comment = Comment.new 
  
    respond_to do |format| 
      format.js do 
        render :update do |page| 
          page.hide "add_comment_link_for_post_#{@post.id}" 
          form_div = "new_comment_form_for_post_#{@post.id}" 
          page.hide form_div 
          page.replace_html form_div, 
                            :partial => "new" 
          page.visual_effect :blind_down, form_div 
        end 
      end 
    end 
  end
  
  def create 
    @comment = Comment.new(params[:comment]) 
    @comment.user = User.find(session[:user_id]) 
    @comment.post = @post 

    respond_to do |format| 
      if @comment.duplicate? or @post.comments << @comment 
        format.js do 
          render :update do |page| 
            page.replace_html "comments_for_post_#{@post.id}", 
                              :partial => "comments/comment", 
                              :collection => @post.comments 
            page.show "add_comment_link_for_post_#{@post.id}" 
            page.hide "new_comment_form_for_post_#{@post.id}" 
          end 
        end 
      else  
        format.js { render :nothing => true } 
      end 
    end 
  end
  
  def destroy 
    @comment = Comment.find(params[:id]) 
    user = User.find(session[:user_id]) 
    
    if @comment.authorized?(user) 
      @comment.destroy 
    else 
      redirect_to hub_url 
      return 
    end 
  
    respond_to do |format| 
      format.js do 
        render :update do |page| 
          page.remove "comment_#{@comment.id}" 
        end 
      end 
    end 
  end

  private 

  def load_post 
    @post = Post.find(params[:post_id]) 
  end
end