From a66ce64171aa99640e7fb7baa10505477edd3f47 Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Thu, 27 Nov 2014 23:00:11 -0700
Subject: [PATCH] Added a configuration option to set a default lifetime on
 cache saves

---
 system/config/system.yaml        | 1 +
 system/src/Grav/Common/Cache.php | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/system/config/system.yaml b/system/config/system.yaml
index 88b979199..a075032a0 100644
--- a/system/config/system.yaml
+++ b/system/config/system.yaml
@@ -27,6 +27,7 @@ cache:
     method: file                       # Method to check for updates in pages: file|folder|none
   driver: auto                         # One of: auto|file|apc|xcache|memcache|wincache
   prefix: 'g'                          # Cache prefix string (prevents cache conflicts)
+  lifetime: 86400                      # Lifetime of cached data in seconds (0 = infinite)
 
 twig:
   cache: true                          # Set to true to enable twig caching
diff --git a/system/src/Grav/Common/Cache.php b/system/src/Grav/Common/Cache.php
index aa6fe940b..9da3974a8 100644
--- a/system/src/Grav/Common/Cache.php
+++ b/system/src/Grav/Common/Cache.php
@@ -154,6 +154,10 @@ class Cache extends Getters
     public function save($id, $data, $lifetime = null)
     {
         if ($this->enabled) {
+
+            if ($lifetime == null) {
+                $lifetime = $this->config->get('system.cache.lifetime') ?: null;
+            }
             $this->driver->save($id, $data, $lifetime);
         }
     }