app/controllers/phcpress/article/posts_controller.rb
def show
      @article_post = Phcpress::Article::Post.friendly.find(params[:id])
      @versions = Phcpress::PostVersions.where(item_id: params[:id], item_type: 'Phcpress::Article::Post')
    end
def show
      @article_post = Phcpress::Article::Post.friendly.find(params[:id])
      @versions = Phcpress::PostVersions.where(item_id: params[:id], item_type: 'Phcpress::Article::Post')
    end
Article Show