* mapping twitter items to universal objects

1 files changed, 5 insertions, 3 deletions

diff --git a/providers/Provider.php b/providers/Provider.php
index 02031ad..2e14d2b 100644
--- a/providers/Provider.php
+++ b/providers/Provider.php
@@ -24,16 +24,18 @@ abstract class Provider {
 
     abstract protected function _spamFilter($items);
 
+    abstract protected function _mapItems($content);
+
     abstract protected function _sortContent($content);
 
     protected function _getItems() {
         $cacheFile = sprintf($this->_getCachePath(), $this->_feed);
         $this->_cacheTime = file_exists($cacheFile) ? filemtime($cacheFile) : 0;
         if ($this->_cacheTime > strtotime('-' . $this->_cacheTimeout)) {
-            return json_decode($this->_getCache($cacheFile));
+            return unserialize($this->_getCache($cacheFile));
         } else {
             $content = $this->_fetchItems();
-            file_put_contents($cacheFile, json_encode($content));
+            file_put_contents($cacheFile, serialize($content));
             $this->_cacheTime = time();
             return $content;
         }
@@ -44,7 +46,7 @@ abstract class Provider {
         if (isset($this->_options['spamfilter'])) {
             $items = $this->_spamFilter($items);
         }
-        return $this->_sortContent($items);
+        return $this->_sortContent($this->_mapItems($items));
     }
 
     public function cacheTime() {