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<?php |
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declare(strict_types=1); |
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namespace App\Reuse\Controllers\Api; |
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use App\Component\Cache\Redis\Adapter as RedisAdapter; |
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use Nymfonya\Component\Config; |
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use Nymfonya\Component\Container; |
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trait TRedisCache |
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{ |
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protected $cacheTtl = 60 * 5; |
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protected $cacheFilename = ''; |
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/** |
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* Redis client |
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* |
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* @var \Redis |
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*/ |
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protected $redisClient; |
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/** |
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* init redis client |
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* |
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* @param Container $container |
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* @return void |
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*/ |
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protected function initRedisClient(Container $container): void |
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{ |
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if (is_null($this->redisClient)) { |
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$redisAdapter = new RedisAdapter( |
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$container->getService(Config::class) |
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); |
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$this->redisClient = $redisAdapter->getClient(); |
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} |
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} |
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/** |
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* return true if cache is expired |
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* |
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* @param string $key |
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* @return boolean |
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*/ |
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protected function cacheRedisExpired(string $key = ''): bool |
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{ |
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$cfn = (empty($key)) |
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? $this->getRedisCacheFilename() |
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: $key; |
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$exist = $this->redisClient->exists($cfn); |
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return !$exist; |
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} |
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/** |
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* set cache ttl |
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* |
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* @param integer $ttl |
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* @return void |
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*/ |
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protected function setRedisCacheTtl(int $ttl): void |
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{ |
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$this->cacheTtl = $ttl; |
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} |
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/** |
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* returns cache content |
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* |
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* @param string $key |
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* @return mixed |
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*/ |
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protected function getRedisCache(string $key = '') |
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{ |
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$cfn = (empty($key)) |
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? $this->getRedisCacheFilename() |
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: $key; |
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$cache = $this->redisClient->get($cfn); |
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return (\is_bool($cache)) |
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? null |
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: json_decode( |
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$cache, |
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true, |
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512, |
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JSON_OBJECT_AS_ARRAY |
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); |
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} |
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/** |
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* set cache content |
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* |
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* @param mixed $content |
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* @param string $key |
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* @return void |
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*/ |
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protected function setRedisCache($content, $key = ''): void |
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{ |
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$cfn = (empty($key)) |
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? $this->getRedisCacheFilename() |
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: $key; |
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$this->redisClient->set($cfn, json_encode($content)); |
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$this->redisClient->expire($cfn, $this->cacheTtl); |
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} |
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/** |
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* clear cache entry |
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* |
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* @param string $key |
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* @return void |
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*/ |
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protected function clearRedisCache(string $key = '') |
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{ |
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$key = \strval($key); |
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if (empty($key)) { |
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$this->redisClient->del($this->getRedisCacheFilename()); |
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} elseif ($key == '*') { |
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$this->redisClient->flushAll(); |
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} else { |
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$this->redisClient->del($key); |
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} |
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} |
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/** |
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* returns cache filename from request uri |
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* |
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* @return string |
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*/ |
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protected function getRedisCacheFilename(): string |
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{ |
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$path = $this->getRedisCachePath(); |
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$filename = md5($this->request->getUri()); |
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return $path . $filename; |
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} |
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/** |
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* returns cache path from request script filename |
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* |
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* @return string |
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*/ |
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protected function getRedisCachePath(): string |
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{ |
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return 'API_REQUEST_REDIS_CACHE_'; |
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} |
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} |
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pierre-fromager /
nymfonya
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