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<?php /** @noinspection MoreThanThreeArgumentsInspection */ |
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namespace mrcnpdlk\Lib\PfcAdapter; |
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use InvalidArgumentException; |
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use Phpfastcache\CacheManager; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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/** |
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* Class Cache |
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* |
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* @package mrcnpdlk\Lib\PfcAdapter |
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*/ |
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class Cache |
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{ |
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/** |
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* @var \Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface |
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*/ |
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private $oCache; |
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/** |
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* @var mixed |
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*/ |
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private $userData; |
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/** |
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* @var string |
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*/ |
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private $projectHash; |
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/** |
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* @var integer |
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*/ |
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private $defaultTtl; |
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/** |
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* Generate hash with project hash |
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* |
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* @var boolean |
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*/ |
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private $uniqueHash; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var boolean |
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*/ |
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private $isEnabled; |
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/** |
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* Cache constructor. |
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* |
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* @param \Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface|null $oCache |
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* @param bool $uniqueHash |
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*/ |
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public function __construct(ExtendedCacheItemPoolInterface $oCache = null, bool $uniqueHash = true) |
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{ |
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$this->oCache = $oCache ?? CacheManager::Redis(); |
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$this->projectHash = md5(__DIR__); |
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$this->defaultTtl = $this->oCache->getConfig()->getDefaultTtl(); |
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$this->uniqueHash = $uniqueHash; |
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$this->logger = new NullLogger(); |
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$this->isEnabled = true; |
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} |
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/** |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function clearAllCache(): self |
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{ |
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$this->oCache->deleteItemsByTag($this->projectHash); |
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return $this; |
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} |
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/** |
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* @param string|string[] $tTags |
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* |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function clearCache($tTags): self |
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{ |
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$tTags = (array)$tTags; |
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$this->oCache->deleteItemsByTags($tTags); |
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return $this; |
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} |
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/** |
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* @param array $tHashKeys |
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* |
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* @return string |
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*/ |
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public function genHash(array $tHashKeys): string |
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{ |
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if ($this->uniqueHash) { |
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return md5(json_encode(array_merge($tHashKeys, [$this->projectHash]))); |
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} |
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return md5(json_encode($tHashKeys)); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function get() |
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{ |
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return $this->userData; |
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} |
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/** |
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* @return ExtendedCacheItemPoolInterface |
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*/ |
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public function getHandler(): ExtendedCacheItemPoolInterface |
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{ |
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return $this->oCache; |
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} |
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/** |
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* @param callable $inputDataFunction Callback function using when invalid cache |
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* @param string|string[] $tHashKeys |
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* @param string|string[] $tRedisTags |
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* @param int|null $iCache Cache validity in seconds |
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* |
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* @return $this |
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*/ |
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public function set( |
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callable $inputDataFunction, |
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$tHashKeys, |
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$tRedisTags, |
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int $iCache = null |
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): self { |
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try { |
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if ($tHashKeys === [] || $tHashKeys === null || (\is_string($tHashKeys) && trim($tHashKeys) === '')) { |
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throw new InvalidArgumentException('HashKey is required!', 1); |
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} |
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$tRedisTags = (array)$tRedisTags; |
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$tHashKeys = (array)$tHashKeys; |
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$iCache = $iCache ?? $this->defaultTtl; |
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$hashKey = $this->genHash($tHashKeys); |
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if ($this->isEnabled === false) { |
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$this->logger->debug(sprintf('CACHE [%s]: cache omitted [not enabled]', $hashKey)); |
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$this->userData = $inputDataFunction(); |
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} elseif ($iCache > 0) { |
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$oCachedItem = $this->oCache->getItem($hashKey); |
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//do każdego zapytania dajemy TAG związany z projektem |
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$tRedisTags = array_unique(array_merge([$this->projectHash], $tRedisTags)); |
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if (!$oCachedItem->isHit() || $oCachedItem->get() === null) { |
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$this->logger->debug(sprintf('CACHE [%s]: old or NULL, reset [ttl=%s]', $hashKey, $iCache)); |
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$this->userData = $inputDataFunction(); |
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$oCachedItem |
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->set($this->userData) |
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->setTags($tRedisTags) |
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->expiresAfter($iCache) |
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; |
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$this->oCache->save($oCachedItem); |
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} else { |
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$this->logger->debug(sprintf('CACHE [%s]: getting from cache', $hashKey)); |
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$this->userData = $oCachedItem->get(); |
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} |
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} else { |
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$this->logger->debug(sprintf('CACHE [%s]: cache omitted [ttl=0]', $hashKey)); |
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$this->userData = $inputDataFunction(); |
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} |
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return $this; |
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} catch (\Exception $e) { |
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$this->logger->warning(sprintf('CACHE Error: %s. Using fallback function.', $e->getMessage())); |
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$this->userData = $inputDataFunction(); |
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return $this; |
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} |
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} |
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/** |
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* @param bool $isEnabled |
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* |
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* @return $this |
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*/ |
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public function setEnabled(bool $isEnabled = true): self |
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{ |
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$this->isEnabled = $isEnabled; |
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return $this; |
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} |
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/** |
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* @param \Psr\Log\LoggerInterface $oLogger |
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* |
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* @return $this |
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*/ |
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public function setLogger(LoggerInterface $oLogger): self |
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{ |
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$this->logger = $oLogger; |
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return $this; |
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} |
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} |
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mrcnpdlk /
pfc-adapter
