From 5ae7bfefaaba53aab3c64280eeebba937721f8b1 Mon Sep 17 00:00:00 2001
From: Toby Zerner <toby.zerner@gmail.com>
Date: Mon, 27 Jul 2015 11:17:21 +0930
Subject: [PATCH] PERF: cache the results of User::hasPermssion()

---
 framework/core/src/Core/Users/User.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/framework/core/src/Core/Users/User.php b/framework/core/src/Core/Users/User.php
index 6b68ab8d5..dc062dabf 100755
--- a/framework/core/src/Core/Users/User.php
+++ b/framework/core/src/Core/Users/User.php
@@ -60,6 +60,13 @@ class User extends Model
         'notification_read_time'
     ];
 
+    /**
+     * An cache of permissions, and whether or not this user has them.
+     *
+     * @var array
+     */
+    protected $hasPermission = [];
+
     /**
      * The hasher with which to hash passwords.
      *
@@ -319,7 +326,11 @@ class User extends Model
             $this->setRelation('permissions', $this->permissions()->get());
         }
 
-        return (bool) $this->permissions->contains('permission', $permission);
+        if (! isset($this->hasPermissions[$permission])) {
+            $this->hasPermission[$permission] = (bool) $this->permissions->contains('permission', $permission);
+        }
+
+        return $this->hasPermission[$permission];
     }
 
     /**