fixes #396

app/assets/stylesheets/specific/user_feedback.css.scss

@@ -0,0 +1,9 @@
+div#c-user-feedbacks {
+  tr.feedback-category-positive {
+    background: #DDFFDD !important;
+  }
+  
+  tr.feedback-category-negative {
+    background: #FFDDDD !important;
+  }
+}

app/models/user_feedback.rb

@@ -55,11 +55,11 @@ class UserFeedback < ActiveRecord::Base
   end
   
   def user_name
-    if user
-      user.name
-    else
-      nil
-    end
+    User.id_to_name(user_id)
+  end
+  
+  def creator_name
+    User.id_to_name(creator_id)
   end
   
   def user_name=(name)

app/views/user_feedbacks/index.html.erb

@@ -14,10 +14,10 @@
       </thead>
       <tbody>
         <% @user_feedbacks.each do |feedback| %>
-          <tr>
+          <tr class="feedback-category-<%= feedback.category %>">
             <td><%= feedback.category %></td>
-            <td><%= link_to feedback.user_name, user_feedback_path(feedback.user_id) %></td>
-            <td><%= feedback.creator.name %></td>
+            <td><%= link_to feedback.user_name, user_path(feedback.user_id) %></td>
+            <td><%= link_to feedback.creator_name, user_path(feedback.creator_id) %></td>
             <td><%= time_ago_in_words_tagged(feedback.created_at) %> ago</td>
             <td><%= format_text(feedback.body) %></td>
           </tr>