first commit

modules/payu/tools/PayuOauthCache/OauthCachePresta.php

@@ -0,0 +1,23 @@
+<?php
+
+class OauthCachePresta implements OauthCacheInterface
+{
+    const PAYU_CACHE_CONFIG_PREFIX = 'PAYU_';
+
+    public function get($key)
+    {
+        $cache = Configuration::get(self::PAYU_CACHE_CONFIG_PREFIX . $key);
+        return $cache === false ? null : unserialize($cache);
+    }
+
+    public function set($key, $value)
+    {
+        return Configuration::updateValue(self::PAYU_CACHE_CONFIG_PREFIX . $key, serialize($value));
+    }
+
+    public function invalidate($key)
+    {
+        return Configuration::deleteByName(self::PAYU_CACHE_CONFIG_PREFIX . $key);
+    }
+
+}