訂單多態評論

Question

共享/ _comments.html.haml

#comments 
    - commentable.comments.each do |comment| 
    = link_to image_tag(avatar_url comment.user_id,36), :controller => 'users', :action => 'show', :id => comment.user_id 
    = comment.content 
    %br 

如何訂購由 'created_at DESC' 多態性評論？

Answer 1

在你的模型：

scope :by_created_at, order('created_at DESC') 

然後在您的視圖：

- commentable.comments.by_created_at.each do |comment|