In url, how to show title-name instead of id in ruby on rails?

Question

I am using rails 4 and ruby 2 . I have created a blog part in my rails app. I need to change the url in my show page. My problem is , I want title in my url instead of id. I want http://www.domain.com/articles/blog_title instead of http://www.domain.com/articles/9 . How can I do this? Please share with me if any one has any idea about this.

My codes:

ArticlesController:

def index
    @articles = Article.all
    @articles = Article.paginate(:page => params[:page], :per_page => 5).order('created_at DESC')
end

def show
  @article = Article.find(params[:id])
end

private

def article_params
  params.require(:article).permit(:title, :body)
end

routes.rv

resources :articles

Answer 1

Actually you can override to_param method. You don't need to have any gem for that.

If you have slug column then just put

def to_param
    self.slug.parameterize
end

If you want to go with title then

def to_param
    self.title.parameterize
end

Remember to index the slug or the title column (whichever you use) to make searching faster.