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<?php |
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namespace Silviooosilva\CacheerPhp\CacheStore; |
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use Exception; |
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use Silviooosilva\CacheerPhp\Utils\CacheLogger; |
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use Silviooosilva\CacheerPhp\Helpers\CacheRedisHelper; |
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use Silviooosilva\CacheerPhp\Interface\CacheerInterface; |
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use Silviooosilva\CacheerPhp\Exceptions\CacheRedisException; |
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use Silviooosilva\CacheerPhp\CacheStore\CacheManager\RedisCacheManager; |
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/** |
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* Class RedisCacheStore |
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* @author Sílvio Silva <https://github.com/silviooosilva> |
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* @package Silviooosilva\CacheerPhp |
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*/ |
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class RedisCacheStore implements CacheerInterface |
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{ |
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/** @var */ |
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private $redis; |
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/** @param string $namespace */ |
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private string $namespace = ''; |
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/** |
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* @var CacheLogger |
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*/ |
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private $logger = null; |
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/** |
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* @var string |
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*/ |
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private string $message = ''; |
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/** |
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* @var boolean |
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*/ |
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private bool $success = false; |
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/** |
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* RedisCacheStore constructor. |
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* |
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* @param string $logPath |
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*/ |
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public function __construct(string $logPath) |
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{ |
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$this->redis = RedisCacheManager::connect(); |
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$this->logger = new CacheLogger($logPath); |
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} |
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/** |
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* Appends data to an existing cache item. |
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* |
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* @param string $cacheKey |
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* @param mixed $cacheData |
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* @param string $namespace |
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* @return void |
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*/ |
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public function appendCache(string $cacheKey, mixed $cacheData, string $namespace = '') |
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{ |
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$cacheFullKey = $this->buildKey($cacheKey, $namespace); |
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$existingData = $this->getCache($cacheFullKey); |
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$mergedCacheData = CacheRedisHelper::arrayIdentifier($existingData, $cacheData); |
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$serializedData = CacheRedisHelper::serialize($mergedCacheData); |
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if ($this->redis->set($cacheFullKey, $serializedData)) { |
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$this->setMessage("Cache appended successfully", true); |
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} else { |
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$this->setMessage("Something went wrong. Please, try again.", false); |
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} |
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$this->logger->debug("{$this->getMessage()} from redis driver."); |
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} |
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/** |
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* Builds a unique key for the Redis cache. |
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* |
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* @param string $key |
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* @param string $namespace |
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* @return string |
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*/ |
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private function buildKey(string $key, string $namespace) |
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{ |
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return $this->namespace . ($namespace ? $namespace . ':' : '') . $key; |
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} |
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/** |
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* Clears a specific cache item. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @return void |
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*/ |
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public function clearCache(string $cacheKey, string $namespace = '') |
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{ |
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$cacheFullKey = $this->buildKey($cacheKey, $namespace); |
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if ($this->redis->del($cacheFullKey) > 0) { |
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$this->setMessage("Cache cleared successfully", true); |
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} else { |
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$this->setMessage("Something went wrong. Please, try again.", false); |
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} |
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$this->logger->debug("{$this->getMessage()} from redis driver."); |
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} |
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/** |
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* Flushes all cache items in Redis. |
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* |
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* @return void |
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*/ |
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public function flushCache() |
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{ |
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if ($this->redis->flushall()) { |
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$this->setMessage("Cache flushed successfully", true); |
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} else { |
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$this->setMessage("Something went wrong. Please, try again.", false); |
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} |
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$this->logger->debug("{$this->getMessage()} from redis driver."); |
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} |
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/** |
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* Retrieves a single cache item by its key. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @param string|int $ttl |
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* @return mixed |
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*/ |
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public function getCache(string $cacheKey, string $namespace = '', string|int $ttl = 3600) |
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{ |
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$fullCacheKey = $this->buildKey($cacheKey, $namespace); |
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$cacheData = $this->redis->get($fullCacheKey); |
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if ($cacheData) { |
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$this->setMessage("Cache retrieved successfully", true); |
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$this->logger->debug("{$this->getMessage()} from redis driver."); |
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return CacheRedisHelper::serialize($cacheData, false); |
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} |
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$this->setMessage("CacheData not found, does not exists or expired", false); |
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$this->logger->info("{$this->getMessage()} from redis driver."); |
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} |
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/** |
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* Retrieves all cache items in a specific namespace. |
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* |
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* @param string $namespace |
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* @return array |
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*/ |
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public function getAll(string $namespace = '') |
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{ |
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$keys = $this->redis->keys($this->buildKey('*', $namespace)); |
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$results = []; |
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$prefix = $this->buildKey('', $namespace); |
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$prefixLen = strlen($prefix); |
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foreach ($keys as $fullKey) { |
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$cacheKey = substr($fullKey, $prefixLen); |
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$cacheData = $this->getCache($cacheKey, $namespace); |
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if ($cacheData !== null) { |
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$results[$cacheKey] = $cacheData; |
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} |
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} |
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if (empty($results)) { |
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$this->setMessage("No cache data found in the namespace", false); |
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} else { |
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$this->setMessage("Cache data retrieved successfully", true); |
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} |
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return $results; |
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} |
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/** |
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* Retrieves multiple cache items by their keys. |
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* |
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* @param array $cacheKeys |
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* @param string $namespace |
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* @param string|int $ttl |
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* @return array |
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*/ |
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public function getMany(array $cacheKeys, string $namespace = '', string|int $ttl = 3600) |
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{ |
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$results = []; |
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foreach ($cacheKeys as $cacheKey) { |
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$fullCacheKey = $this->buildKey($cacheKey, $namespace); |
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$cacheData = $this->getCache($fullCacheKey, $namespace, $ttl); |
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if ($cacheData !== null) { |
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$results[$cacheKey] = $cacheData; |
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} |
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} |
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if (empty($results)) { |
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$this->setMessage("No cache data found for the provided keys", false); |
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} else { |
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$this->setMessage("Cache data retrieved successfully", true); |
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} |
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return $results; |
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} |
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/** |
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* Gets the message from the last operation. |
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* |
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* @return string |
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*/ |
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public function getMessage() |
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{ |
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return $this->message; |
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} |
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/** |
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* Gets the serialized dump of a cache item. |
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* |
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* @param string $fullKey |
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* @return string|null |
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*/ |
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private function getDump(string $fullKey) |
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{ |
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return $this->redis->dump($fullKey); |
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} |
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/** |
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* Checks if a cache item exists. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @return void |
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*/ |
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public function has(string $cacheKey, string $namespace = '') |
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{ |
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$cacheFullKey = $this->buildKey($cacheKey, $namespace); |
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if ($this->redis->exists($cacheFullKey) > 0) { |
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$this->setMessage("Cache Key: {$cacheKey} exists!", true); |
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} else { |
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$this->setMessage("Cache Key: {$cacheKey} does not exists!", false); |
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} |
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$this->logger->debug("{$this->getMessage()} from redis driver."); |
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} |
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/** |
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* Checks if the last operation was successful. |
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* |
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* @return boolean |
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*/ |
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public function isSuccess() |
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{ |
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return $this->success; |
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} |
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/** |
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* Processes a batch of cache items and stores them in Redis. |
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* |
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* @param array $batchItems |
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* @param string $namespace |
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* @return void |
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*/ |
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private function processBatchItems(array $batchItems, string $namespace) |
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{ |
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foreach ($batchItems as $item) { |
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CacheRedisHelper::validateCacheItem($item); |
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$cacheKey = $item['cacheKey']; |
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$cacheData = $item['cacheData']; |
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$mergedData = CacheRedisHelper::mergeCacheData($cacheData); |
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$this->putCache($cacheKey, $mergedData, $namespace); |
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} |
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} |
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/** |
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* Stores a cache item in Redis with optional namespace and TTL. |
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* |
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* @param string $cacheKey |
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* @param mixed $cacheData |
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* @param string $namespace |
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* @param string|int|null $ttl |
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* @return mixed |
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*/ |
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public function putCache(string $cacheKey, mixed $cacheData, string $namespace = '', string|int|null $ttl = null) |
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{ |
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$cacheFullKey = $this->buildKey($cacheKey, $namespace); |
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$serializedData = CacheRedisHelper::serialize($cacheData); |
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$result = $ttl ? $this->redis->setex($cacheFullKey, (int) $ttl, $serializedData) |
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: $this->redis->set($cacheFullKey, $serializedData); |
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if ($result) { |
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$this->setMessage("Cache stored successfully", true); |
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} else { |
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$this->setMessage("Failed to store cache", false); |
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} |
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$this->logger->debug("{$this->getMessage()} from Redis driver."); |
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return $result; |
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} |
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/** |
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* Stores multiple cache items in Redis in batches. |
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* |
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* @param array $items |
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* @param string $namespace |
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* @param int $batchSize |
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* @return void |
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*/ |
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public function putMany(array $items, string $namespace = '', int $batchSize = 100) |
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{ |
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$processedCount = 0; |
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$itemCount = count($items); |
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while ($processedCount < $itemCount) { |
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$batchItems = array_slice($items, $processedCount, $batchSize); |
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$this->processBatchItems($batchItems, $namespace); |
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$processedCount += count($batchItems); |
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} |
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} |
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/** |
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* Renews the cache for a specific key with a new TTL. |
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* |
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* @param string $cacheKey |
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* @param string|int $ttl |
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* @param string $namespace |
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* @return void |
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*/ |
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public function renewCache(string $cacheKey, string|int $ttl, string $namespace = '') |
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{ |
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$cacheFullKey = $this->buildKey($cacheKey, $namespace); |
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$dump = $this->getDump($cacheFullKey); |
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if (!$dump) { |
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$this->setMessage("Cache Key: {$cacheKey} not found.", false); |
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$this->logger->warning("{$this->getMessage()} from Redis driver."); |
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return; |
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} |
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$this->clearCache($cacheFullKey); |
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if ($this->restoreKey($cacheFullKey, $ttl, $dump)) { |
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$this->setMessage("Cache Key: {$cacheKey} renewed successfully.", true); |
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$this->logger->debug("{$this->getMessage()} from Redis driver."); |
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} else { |
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$this->setMessage("Failed to renew cache key: {$cacheKey}.", false); |
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$this->logger->error("{$this->getMessage()} from Redis driver."); |
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} |
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} |
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/** |
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* Restores a key in Redis with a given TTL and serialized data. |
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* |
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* @param string $fullKey |
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* @param string|int $ttl |
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* @param mixed $dump |
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* @return bool |
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*/ |
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private function restoreKey(string $fullKey, string|int $ttl, mixed $dump) |
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{ |
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try { |
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$this->redis->restore($fullKey, $ttl * 1000, $dump, 'REPLACE'); |
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return true; |
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} catch (Exception $e) { |
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throw CacheRedisException::create($e->getMessage()); |
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} |
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} |
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/** |
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* Sets a message and its success status. |
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* |
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* @param string $message |
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* @param boolean $success |
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* @return void |
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*/ |
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private function setMessage(string $message, bool $success) |
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{ |
381
|
|
|
$this->message = $message; |
382
|
|
|
$this->success = $success; |
383
|
|
|
} |
384
|
|
|
} |