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<?php |
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|
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declare(strict_types=1); |
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|
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namespace UserAccessManager\Cache; |
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|
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use Exception; |
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use UserAccessManager\Config\Config; |
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use UserAccessManager\Config\ConfigFactory; |
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use UserAccessManager\Config\ConfigParameterFactory; |
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|
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class RedisCacheProvider implements CacheProviderInterface |
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{ |
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const ID = 'RedisCacheProvider'; |
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const CONFIG_KEY = 'uam_redis_cache_provider'; |
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const CONFIG_PREFIX = 'redis_prefix'; |
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const CONFIG_TTL = 'redis_ttl'; |
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const DEFAULT_PREFIX = 'uam_cache'; |
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const DEFAULT_TTL = 0; |
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|
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private ?Config $config = null; |
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|
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public function __construct( |
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private ConfigFactory $configFactory, |
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private ConfigParameterFactory $configParameterFactory |
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) { |
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} |
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|
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public function getId(): string |
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{ |
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return self::ID; |
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} |
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|
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public function init(): void |
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{ |
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// WordPress object cache is already set up — nothing to initialize here. |
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} |
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|
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/** |
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* @throws Exception |
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*/ |
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public function getConfig(): Config |
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{ |
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if ($this->config === null) { |
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$this->config = $this->configFactory->createConfig(self::CONFIG_KEY); |
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|
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$configParameters = [ |
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self::CONFIG_PREFIX => $this->configParameterFactory->createStringConfigParameter( |
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self::CONFIG_PREFIX, |
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self::DEFAULT_PREFIX |
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), |
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self::CONFIG_TTL => $this->configParameterFactory->createStringConfigParameter( |
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self::CONFIG_TTL, |
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(string) self::DEFAULT_TTL |
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), |
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]; |
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|
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$this->config->setDefaultConfigParameters($configParameters); |
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} |
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|
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return $this->config; |
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} |
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|
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private function getPrefix(): string |
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{ |
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return (string) ($this->config?->getParameterValue(self::CONFIG_PREFIX) ?? self::DEFAULT_PREFIX); |
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} |
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|
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private function getTtl(): int |
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{ |
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return (int) ($this->config?->getParameterValue(self::CONFIG_TTL) ?? self::DEFAULT_TTL); |
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} |
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|
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private function buildKey(string $key): string |
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{ |
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return $this->getPrefix() . '|' . $key; |
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} |
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|
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public function add(string $key, mixed $value): void |
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{ |
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wp_cache_set($this->buildKey($key), $value, self::ID, $this->getTtl()); |
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} |
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|
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public function get(string $key): mixed |
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{ |
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$value = wp_cache_get($this->buildKey($key), self::ID); |
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|
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// wp_cache_get returns false on a miss; normalize to null per interface contract. |
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return ($value === false) ? null : $value; |
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} |
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|
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public function invalidate(string $key): void |
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{ |
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wp_cache_delete($this->buildKey($key), self::ID); |
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} |
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} |
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|
