Revert "Without loaded? I was confused by the liked? and like_for methods."

This reverts commit 2103d54fe4.

app/models/user.rb

@@ -171,21 +171,20 @@ class User < ActiveRecord::Base
   end
 
   def liked?(post)
-    if post.likes.loaded?
+    if self.like_for(post)
-      !(like_for(post).nil?)
+      return true
     else
-      Like.exists?(:author_id => self.person.id, :post_id => post.id)
+      return false
     end
   end
 
   def like_for(post)
-    if post.likes.loaded?
+    [post.likes, post.dislikes].each do |likes|
-      [post.likes, post.dislikes].each do |likes|
+      likes.each do |like|
-        likes.detect { |l| l.author_id == self.person.id }
+        return like if like.author_id == self.person.id
       end
-    else
-      return Like.where(:post_id => post.id, :author_id => self.person.id).first
     end
+    return nil
   end
 
   ######### Mailer #######################