From 1173ee5efed75e1946e46b10fe9a55a8c83d1660 Mon Sep 17 00:00:00 2001
From: Ali1 <ali.m.bakir@gmail.com>
Date: Sun, 30 Mar 2014 13:13:28 +0100
Subject: [PATCH] Fix notice when deleting last record

When deleting the last record for a given foreign key, the $results (sum in my example) would be completely empty as there were no records to sum.
---
 Model/Behavior/AggregateCacheBehavior.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Model/Behavior/AggregateCacheBehavior.php b/Model/Behavior/AggregateCacheBehavior.php
index 7ec5c33..e1a848d 100644
--- a/Model/Behavior/AggregateCacheBehavior.php
+++ b/Model/Behavior/AggregateCacheBehavior.php
@@ -83,8 +83,12 @@ function __updateCache(Model $model, $aggregate, $foreignKey, $foreignId) {
             foreach ($aggregate as $function => $cacheField) { 
                 if (!in_array($function, $this->functions)) { 
                     continue; 
-                } 
-                $newValues[$cacheField] = $results[0][$function . '_value']; 
+                }
+                if (empty($results)) {
+                    $newValues[$cacheField] = 0;
+                } else {
+                    $newValues[$cacheField] = $results[0][$function . '_value'];
+                }
             } 
             $assocModel->id = $foreignId; 
             $assocModel->save($newValues, false, array_keys($newValues)); 
@@ -121,4 +125,4 @@ function afterDelete(Model $model) {
     } 
 
 } 
-?>
\ No newline at end of file
+?>