Fix comment - Don't query DB in view

app/controllers/jobs_controller.rb

@@ -49,6 +49,7 @@ class JobsController < ApplicationController
   end
 
   def index
+    @favorite = Favorite.where(user: current_user, job: job)
   end
 
   def favorite

app/views/jobs/index.html.erb

@@ -34,7 +34,7 @@
           <td> <%= job.city.try(:name) %> </td>
           <td> <%= job.salary %> </td>
           <td>
-            <% if Favorite.where(user: current_user, job: job).blank? %>
+            <% if @favorite.blank? %>
               <div class="col-md-3" id="favorite_<%= job.id %>">
                 <%= link_to 'Favorite', jobs_favorite_path(job_id: job.id, format: 'js'), remote: true, class: 'favorite_add' %>
               </div>