<?php
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namespace JVBase\managers\queue;
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if (!defined('ABSPATH')) {
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exit;
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}
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class Locker
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{
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private string $lockKey;
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private int $timeout;
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private ?string $token = null;
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public function __construct(string $key = 'queue', int $timeout = 60)
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{
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$this->lockKey = BASE . $key . '_lock';
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$this->timeout = $timeout;
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}
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public function withLock(callable $callback): void
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{
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if (!$this->acquire()) return;
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try {
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$callback();
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} finally {
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$this->unlock();
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}
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}
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private function acquire(): bool
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{
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$this->token = bin2hex(random_bytes(8));
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return (bool) wp_cache_add($this->lockKey, $this->token, 'locks', $this->timeout);
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}
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public function unlock(): void
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{
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$current = wp_cache_get($this->lockKey, 'locks');
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if ($current === $this->token) {
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wp_cache_delete($this->lockKey, 'locks');
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}
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$this->token = null;
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}
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}
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