Changing Friendica\App\Mode from static methods to public methods

[friendica.git] / src / Core / Cache.php

diff --git a/src/Core/Cache.php b/src/Core/Cache.php
index 3f2edd2e20cefedafe4109194cf628ca096ed425..ea7807031fde7389479dfb2bad49c1d342094e2c 100644 (file)
--- a/src/Core/Cache.php
+++ b/src/Core/Cache.php
@@ -4,8 +4,7 @@
  */
 namespace Friendica\Core;
 
-use Friendica\Core\Cache;
-use Friendica\Core\Config;
+use Friendica\Core\Cache\CacheDriverFactory;
 
 /**
  * @brief Class for storing data for a short time
@@ -24,25 +23,15 @@ class Cache extends \Friendica\BaseObject
        /**
         * @var Cache\ICacheDriver
         */
-       static $driver = null;
+       private static $driver       = null;
+       public  static $driver_class = null;
+       public  static $driver_name  = null;
 
        public static function init()
        {
-               switch(Config::get('system', 'cache_driver', 'database')) {
-                       case 'memcache':
-                               $memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
-                               $memcache_port = Config::get('system', 'memcache_port', 11211);
-
-                               self::$driver = new Cache\MemcacheCacheDriver($memcache_host, $memcache_port);
-                               break;
-                       case 'memcached':
-                               $memcached_hosts = Config::get('system', 'memcached_hosts', [['127.0.0.1', 11211]]);
-
-                               self::$driver = new Cache\MemcachedCacheDriver($memcached_hosts);
-                               break;
-                       default:
-                               self::$driver = new Cache\DatabaseCacheDriver();
-               }
+               self::$driver_name  = Config::get('system', 'cache_driver', 'database');
+               self::$driver       = CacheDriverFactory::create(self::$driver_name);
+               self::$driver_class = get_class(self::$driver);
        }
 
        /**
@@ -59,6 +48,29 @@ class Cache extends \Friendica\BaseObject
                return self::$driver;
        }
 
+       /**
+        * @brief Returns all the cache keys sorted alphabetically
+        *
+        * @return array|null Null if the driver doesn't support this feature
+        */
+       public static function getAllKeys()
+       {
+               $time = microtime(true);
+
+               $return = self::getDriver()->getAllKeys();
+
+               // Keys are prefixed with the node hostname, let's remove it
+               array_walk($return, function (&$value) {
+                       $value = preg_replace('/^' . self::getApp()->get_hostname() . ':/', '', $value);
+               });
+
+               sort($return);
+
+               self::getApp()->save_timestamp($time, 'cache');
+
+               return $return;
+       }
+
        /**
         * @brief Fetch cached data according to the key
         *
@@ -99,15 +111,33 @@ class Cache extends \Friendica\BaseObject
                return $return;
        }
 
+       /**
+        * @brief Delete a value from the cache
+        *
+        * @param string $key The key to the cached data
+        *
+        * @return bool
+        */
+       public static function delete($key)
+       {
+               $time = microtime(true);
+
+               $return = self::getDriver()->delete($key);
+
+               self::getApp()->save_timestamp($time, 'cache_write');
+
+               return $return;
+       }
+
        /**
         * @brief Remove outdated data from the cache
         *
-        * @param integer $max_level The maximum cache level that is to be cleared
+        * @param boolean $outdated just remove outdated values
         *
         * @return void
         */
-       public static function clear()
+       public static function clear($outdated = true)
        {
-               return self::getDriver()->clear();
+               return self::getDriver()->clear($outdated);
        }
 }