1 files changed, 0 insertions, 177 deletions
diff --git a/lib/classes/StudipRedisCache.class.php b/lib/classes/StudipRedisCache.class.php
deleted file mode 100644
index 7b9570b..0000000
--- a/lib/classes/StudipRedisCache.class.php
+++ /dev/null
@@ -1,177 +0,0 @@
-<?php
-/**
- * Cache implementation using redis.
- *
- * @author      Jan-Hendrik Willms <tleilax+studip@gmail.com>
- * @license     GPL2 or any later version
- * @package     studip
- * @subpackage  cache
- * @since       Stud.IP 5.0
- */
-class StudipRedisCache implements StudipCache
-{
-    use StudipCacheKeyTrait;
-
-    private $redis;
-
-    /**
-     * @return string A translateable display name for this cache class.
-     */
-    public static function getDisplayName(): string
-    {
-        return _('Redis');
-    }
-
-    /**
-     * Construct a cache instance.
-     *
-     * @param string $hostname Hostname of redis server
-     * @param int    $port     Port of redis server
-     * @param string $auth     Optional auth token/password
-     */
-    public function __construct($hostname, $port, string $auth = '')
-    {
-        if (!extension_loaded('redis')) {
-            throw new Exception('Redis extension missing.');
-        }
-
-        $this->redis = new Redis();
-        $status = $this->redis->connect($hostname, $port, 1);
-
-        if (!$status) {
-            throw new Exception('Could not add cache.');
-        }
-
-        if ($auth !== '') {
-            $this->redis->auth($auth);
-        }
-    }
-
-    /**
-     * Returns the instance of the redis server connection.
-     *
-     * @return Redis instance
-     */
-    public function getRedis()
-    {
-        return $this->redis;
-    }
-
-    /**
-     * Expire item from the cache.
-     *
-     * Example:
-     *
-     *   # expires foo
-     *   $cache->expire('foo');
-     *
-     * @param   string $arg a single key.
-     */
-    public function expire($arg)
-    {
-        $key = $this->getCacheKey($arg);
-        $this->redis->unlink($key);
-    }
-
-    /**
-     * Retrieve item from the server.
-     *
-     * Example:
-     *
-     *   # reads foo
-     *   $foo = $cache->reads('foo');
-     *
-     * @param  string $arg a single key
-     * @return mixed  the previously stored data if an item with such a key
-     *                exists on the server or FALSE on failure.
-     */
-    public function read($arg)
-    {
-        $key = $this->getCacheKey($arg);
-
-        $result = $this->redis->get($key);
-
-        return ($result === null) ? null : unserialize($result);
-    }
-
-    /**
-     * Store data at the server.
-     *
-     * @param string   the item's key.
-     * @param string   the item's content.
-     * @param int      the item's expiry time in seconds. Defaults to 12h.
-     * @return mixed  returns TRUE on success or FALSE on failure.
-     */
-    public function write($name, $content, $expire = self::DEFAULT_EXPIRATION)
-    {
-        $key = $this->getCacheKey($name);
-        return $this->redis->setEx($key, $expire, serialize($content));
-    }
-
-    /**
-     * Expire all items from the cache.
-     */
-    public function flush()
-    {
-        $pattern = $this->getCacheKey('*');
-        foreach ($this->redis->keys($pattern) as $key) {
-            $this->redis->unlink($key);
-        }
-    }
-
-    /**
-     * @param string $method Method to call
-     * @param array $args Arguments to pass
-     * @return false|mixed
-     */
-    public function __call($method, $args)
-    {
-        if (is_callable([$this->redis, $method])) {
-            return call_user_func_array([$this->redis, $method], $args);
-        }
-        throw new BadMethodCallException("Method {$method} does not exist");
-    }
-
-    /**
-     * Return statistics.
-     *
-     * @StudipCache::getStats()
-     *
-     * @return array|array[]
-     */
-    public function getStats(): array
-    {
-        $stats = $this->redis->info();
-        $stats['size'] = count($this->redis->keys($this->getCacheKey('*')));
-        return ["{$this->redis->getHost()}:{$this->redis->getPort()}" => $stats];
-    }
-
-    /*
-     * Return the Vue component name and props that handle configuration.
-     *
-     * @see StudipCache::getConfig()
-     *
-     * @return array
-     */
-    public static function getConfig(): array
-    {
-        $currentCache = Config::get()->SYSTEMCACHE;
-
-        // Set default config for this cache
-        $currentConfig = [
-            'hostname' => '',
-            'port' => null
-        ];
-
-        // If this cache is set as system cache, use config from global settings.
-        if ($currentCache['type'] == __CLASS__) {
-            $currentConfig = $currentCache['config'];
-            $currentConfig['port'] = $currentConfig['port'] ? (int) $currentConfig['port'] : null;
-        }
-
-        return [
-            'component' => 'RedisCacheConfig',
-            'props' => $currentConfig
-        ];
-    }
-}