From 4a9f8e0f2329c901d8f4ae72129a495f445edbb6 Mon Sep 17 00:00:00 2001
From: Toby Zerner <toby.zerner@gmail.com>
Date: Wed, 5 Aug 2015 16:08:28 +0930
Subject: [PATCH] Don't allow re-liking or re-unliking

---
 extensions/likes/src/Listeners/PersistData.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/extensions/likes/src/Listeners/PersistData.php b/extensions/likes/src/Listeners/PersistData.php
index 487b10000..f2efb5f07 100755
--- a/extensions/likes/src/Listeners/PersistData.php
+++ b/extensions/likes/src/Listeners/PersistData.php
@@ -29,11 +29,13 @@ class PersistData
                 throw new PermissionDeniedException;
             }
 
-            if ($liked) {
+            $currentlyLiked = $post->likes()->where('user_id', $actor->id)->exists();
+
+            if ($liked && ! $currentlyLiked) {
                 $post->likes()->attach($actor->id);
 
                 $post->raise(new PostWasLiked($post, $actor));
-            } else {
+            } elseif ($currentlyLiked) {
                 $post->likes()->detach($actor->id);
 
                 $post->raise(new PostWasUnliked($post, $actor));