CommentsController

class CommentsController < ApplicationController
  before_filter :load_commentable
  
  def index
    @comments = @commentable.comments
  end

  def new
    @comment = @commentable.comments.new
  end

  def create
    @comment = @commentable.comments.new(comment_params)
    if @comment.save
      redirect_to @commentable, notice: "Comment created."
    else
      render :new
    end
  end
 
private

  def load_commentable
    if params[:photo_id]
      @commentable = Photo.friendly.find(params[:photo_id])
      @user = User.friendly.find(params[:user_id])
    end
  end

  def comment_params 
    params.require(:comment).permit(:photo_id, :photo, :user, :user_id, :content)
  end


end