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Ruby

Posted by Dena G
Dena G
441 Points

undefined method `each' for nil:NilClass

Hi,

I'm getting a NoMethodError in Stream#index for an undefined method `each' for nil:NilClass. Specifically for line:

  <% @posts.each do |post| %>

Any help is greatly appreciated. Thank you in advance

Stream Controller

class StreamController < ApplicationController
 before_action :set_post, only: [:show, :edit, :update, :destroy]
 before_action :correct_user, only: [:edit, :update, :destroy]
 before_action :authenticate_user!, except: [:index, :show]

 def index
  Post.where(follower_id: current_user.id, followed_id: current_user.id)
 end

end

View stream Index

div class="page-header">
   <center><strong><h1> Stream Page </h1></strong></center>
</div>


<div id="posts" class="transitions-enabled">
   <% @posts.each do |post| %>

    <div class="box panel panel-default">
      <%= link_to image_tag(post.image.url(:medium)), post %>
      <div class="panel-body">
      <%= post.description %><br/>
      <strong><%= post.user.name if post.user %></strong>

      <% if post.user == current_user %>
        <div class="actions">
        <%= link_to edit_post_path(post) do %>
        <span class="glyphicon glyphicon-edit"></span>
            Edit
          <% end %>
        <%= link_to post, method: :delete, data: { confirm: 'Are you sure?' } do %>
        <span class="glyphicon glyphicon-trash"></span>
            Delete
          <% end %>
       </div>
       <% end %>
     </div>
    </div> 

  <% end %>
  </div>

   </section>
 </aside>
 </div>

1 Answer

Maciej Czuchnowski
Maciej Czuchnowski
36,440 Points
Maciej Czuchnowski
Maciej Czuchnowski
36,440 Points

In your stream controller, you are missing an instance variable. The line should look like this inside your index method:

@posts = Post.where(follower_id: current_user.id, followed_id: current_user.id)
Dena G
Dena G
441 Points

Thanks Maciej. I missed that, smh. :) Now I'm getting a new error 'ActiveRecord::StatementInvalid'. I'm trying to sort through that. Thanks again. I need to pay more attention.