gistfile1.txt

class CommentsController < ApplicationController
  def index
    	@commentable = Video.find(params[:video_id])
    	@comments = @commentable.comments
  	end

  	def new
  		@commentable = Video.find(params[:video_id])
  @comment = @commentable.comments.new
	end
  
	def create
		@commentable = Video.find(params[:video_id])
 		 @comment = @commentable.comments.new(params[:comment])
      @comment.user_id= current_user.id 
		  if @comment.save
  		  redirect_to @commentable, notice: "Comment created."
  			else
    		render :new
 			 end
	end

  def destroy
  @comment = Comment.find(params[:id])
  @commentable = @comment.commentable
    if @comment.destroy
    redirect_to @commentable
    end
  end
end