forked from ZwiiCMS-Team/ZwiiCMS
129 lines
2.6 KiB
PHP
129 lines
2.6 KiB
PHP
<?php
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namespace SleekDB\Classes;
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use SleekDB\Cache;
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use SleekDB\Exceptions\IOException;
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use SleekDB\QueryBuilder;
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/**
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* Class CacheHandler
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* Bridge between Query and Cache
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*/
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class CacheHandler
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{
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/**
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* @var Cache
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*/
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protected $cache;
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protected $cacheTokenArray;
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protected $regenerateCache;
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protected $useCache;
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/**
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* CacheHandler constructor.
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* @param string $storePath
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* @param QueryBuilder $queryBuilder
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*/
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public function __construct(string $storePath, QueryBuilder $queryBuilder)
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{
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$this->cacheTokenArray = $queryBuilder->_getCacheTokenArray();
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$queryBuilderProperties = $queryBuilder->_getConditionProperties();
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$this->useCache = $queryBuilderProperties["useCache"];
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$this->regenerateCache = $queryBuilderProperties["regenerateCache"];
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$this->cache = new Cache($storePath, $this->_getCacheTokenArray(), $queryBuilderProperties["cacheLifetime"]);
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}
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/**
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* @return Cache
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*/
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public function getCache(): Cache
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{
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return $this->cache;
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}
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/**
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* Get results from cache
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* @return array|null
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* @throws IOException
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*/
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public function getCacheContent($getOneDocument)
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{
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if($this->getUseCache() !== true){
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return null;
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}
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$this->updateCacheTokenArray(['oneDocument' => $getOneDocument]);
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if($this->regenerateCache === true) {
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$this->getCache()->delete();
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}
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$cacheResults = $this->getCache()->get();
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if(is_array($cacheResults)) {
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return $cacheResults;
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}
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return null;
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}
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/**
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* Add content to cache
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* @param array $results
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* @throws IOException
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*/
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public function setCacheContent(array $results)
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{
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if($this->getUseCache() === true){
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$this->getCache()->set($results);
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}
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}
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/**
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* Delete all cache files that have no lifetime.
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* @return bool
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*/
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public function deleteAllWithNoLifetime(): bool
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{
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return $this->getCache()->deleteAllWithNoLifetime();
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}
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/**
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* Returns a reference to the array used for cache token generation
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* @return array
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*/
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public function &_getCacheTokenArray(): array
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{
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return $this->cacheTokenArray;
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}
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/**
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* @param array $tokenUpdate
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*/
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private function updateCacheTokenArray(array $tokenUpdate)
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{
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if(empty($tokenUpdate)) {
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return;
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}
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$cacheTokenArray = $this->_getCacheTokenArray();
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foreach ($tokenUpdate as $key => $value){
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$cacheTokenArray[$key] = $value;
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}
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$this->cacheTokenArray = $cacheTokenArray;
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}
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/**
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* Status if cache is used or not
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* @return bool
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*/
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private function getUseCache(): bool
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{
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return $this->useCache;
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}
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} |