From 95f4be8b68f78e11a42accf1e46d3f9f6379c9fa Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Sat, 20 Feb 2016 09:39:18 +1100
Subject: [PATCH] Include user id in cache key Fixes #1740

---
 modules/backend/behaviors/UserPreferencesModel.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/backend/behaviors/UserPreferencesModel.php b/modules/backend/behaviors/UserPreferencesModel.php
index d65b40623..ea6a1ab25 100644
--- a/modules/backend/behaviors/UserPreferencesModel.php
+++ b/modules/backend/behaviors/UserPreferencesModel.php
@@ -109,6 +109,8 @@ class UserPreferencesModel extends SettingsModel
      */
     protected function getCacheKey()
     {
-        return 'backend::userpreferences.'.$this->recordCode;
+        $item = UserPreferences::forUser();
+        $userId = $item->userContext ? $item->userContext->id : 0;
+        return $this->recordCode.'-userpreference-'.$userId;
     }
 }