Adding a tag cloud to your Blogit blog

application.html.erb

...

<aside id="right">
  <nav id="tag_cloud">
    <h3>Browse by topic:</h3>
    <% tag_cloud(tags, %w(tag1 tag2 tag3 tag4 tag5 tag6)) do |tag, tag_class| %>
      <%= link_to tag.name, tagged_blog_posts_path(tag: tag.name), :class => "tag #{tag_class}" %>
    <% end %>
  </nav>
</aside>  

...

blog_posts_helper.rb

module BlogPostsHelper

  include ActsAsTaggableOn::TagsHelper

  def tags
    @tags ||= Blogit::Post.tag_counts_on(:tags)
  end
  
end