RedisCacheDriver.php

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<?php
 
namespace Ubiquity\cache\system;
 
use Ubiquity\cache\CacheFile;
 
class RedisCacheDriver extends AbstractDataCache {
    private $cacheInstance;
 
    public function __construct($root, $postfix = "", $cacheParams = [ ]) {
        parent::__construct ( $root, $postfix );
        $defaultParams = [ 'server' => '0.0.0.0','port' => 6379,'persistent' => true,'serializer' => \Redis::SERIALIZER_PHP ];
        $cacheParams = \array_merge ( $defaultParams, $cacheParams );
        $this->cacheInstance = new \Redis ();
        $connect = 'connect';
        if ($cacheParams ['persistent'] ?? true) {
            $connect = 'pconnect';
        }
        $this->cacheInstance->{$connect} ( $cacheParams ['server'], $cacheParams ['port'] );
        if (isset ( $cacheParams ['serializer'] )) {
            $this->cacheInstance->setOption ( \Redis::OPT_SERIALIZER, $cacheParams ['serializer'] );
        }
    }
 
    public function setSerializer($serializer) {
        $this->cacheInstance->setOption ( \Redis::OPT_SERIALIZER, $serializer );
    }
 
    public function exists($key) {
        return $this->cacheInstance->exists ( $this->getRealKey ( $key ) );
    }
 
    public function store($key, $content, $tag = null) {
        $this->cacheInstance->set ( $this->getRealKey ( $key ), $content );
    }
 
    protected function getRealKey($key) {
        return \str_replace ( [ '/','\\' ], "-", $key );
    }
 
    public function fetch($key) {
        return $this->cacheInstance->get ( $this->getRealKey ( $key ) );
    }
 
    public function file_get_contents($key) {
        return $this->cacheInstance->get ( $this->getRealKey ( $key ) );
    }
 
    public function getTimestamp($key) {
        return $this->cacheInstance->ttl ( $this->getRealKey ( $key ) );
    }
 
    public function remove($key) {
        $this->cacheInstance->delete ( $this->getRealKey ( $key ) );
    }
 
    public function clear() {
        $this->cacheInstance->flushAll ();
    }
 
    public function getCacheFiles($type) {
        $result = [ ];
        $keys = $this->cacheInstance->keys ( $type );
 
        foreach ( $keys as $key ) {
            $ttl = $this->cacheInstance->ttl ( $key );
            $result [] = new CacheFile ( \ucfirst ( $type ), $key, $ttl, "", $key );
        }
        if (\count ( $result ) === 0)
            $result [] = new CacheFile ( \ucfirst ( $type ), "", "", "" );
        return $result;
    }
 
    public function clearCache($type) {
        $keys = $this->cacheInstance->keys ( $type );
        foreach ( $keys as $key ) {
            $this->cacheInstance->delete ( $key );
        }
    }
 
    public function getCacheInfo() {
        return parent::getCacheInfo () . "<br>Driver name : <b>" . \Redis::class . "</b>";
    }
 
    public function getEntryKey($key) {
        return $this->getRealKey ( $key );
    }
}