Comments_controller. Books (Beginning Rails 4 (chapter 9)

gistfile1.rb

class CommentsController < ApplicationController
before_filter :load_article, :except => :destroy
before_filter :authenticate, :only => :destroy


def create
 @comment = @article.comments.new(comment_params)
 if @comment.save
  redirect_to @article, :notice => 'Thanks for your comment'
 else
  redirect_to @article, :alert => 'Unable to add comment'
 end
end

def destroy
 @article = current_user.articles.find(params[:article_id])
 @comment = @article.comments.find(params[:id])
 @comment.destroy
 redirect_to @article, :notice => 'Comment deleted'
end

private
def load_article
 @article = Article.find(params[:article_id])
end
def comment_params
 params.require(:comment).permit(:name, :email, :body)
end

end