Question

So, i make this atribbuition in model comment.rb

has_one :user

And my form is this

<% @post.comments.each  do |com| %>
    Comentário<br><%= com.comment %>    
<% end %>

My question is, how do I get the user when make the comment ?

---

I have a problem, i make this atribbuition i comment model:

class Comment < ActiveRecord::Base
  attr_accessible :comment
  belongs_to :post
  belongs_to :user

and this in user model

class User < ActiveRecord::Base
  attr_accessible :email, :password, :password_confirmation
  has_many :posts
  has_many :comments

but this dont works:

  <% post.comments.each do |comment|   %>
    <div id="comments" >
      <%= comment.user.email %>
           <%= comment.comment %>
    </div>
   <%end%>

appear the error:

undefined method `email' for nil:NilClass

please what is the problem, in the create of the comment i make the atribbuition so , look:

  @comment = @post.comments.create(params[:comment],:user_id => current_user.id)

how i solve this error, please

Answer 1

You just have to add this code <%= com.user.username %> for example to display the user’s username