98 lines
2.4 KiB
PHP
98 lines
2.4 KiB
PHP
<?php declare(strict_types = 1);
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namespace MailPoet\Cache;
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if (!defined('ABSPATH')) exit;
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use MailPoet\WP\Functions as WPFunctions;
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use MailPoetVendor\Carbon\Carbon;
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class TransientCache {
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public const SUBSCRIBERS_STATISTICS_COUNT_KEY = 'mailpoet_subscribers_statistics_count_cache';
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public const SUBSCRIBERS_HOMEPAGE_STATISTICS_COUNT_KEY = 'mailpoet_subscribers_statistics_count_homepage_cache';
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private $cacheEnabled;
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/** @var WPFunctions */
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private $wp;
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public function __construct(
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WPFunctions $wp
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) {
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$this->wp = $wp;
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$this->cacheEnabled = $this->wp->applyFilters('mailpoet_transient_cache_enabled', true);
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}
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public function getItem(string $key, int $id): ?array {
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$items = $this->getItems($key);
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return $items[$id] ?? null;
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}
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public function getOldestCreatedAt(string $key): ?\DateTime {
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$oldest = $this->getOldestItem($key);
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return $oldest['created_at'] ?? null;
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}
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public function getOldestItem(string $key): ?array {
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$items = $this->getItems($key);
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$oldest = null;
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foreach ($items as $item) {
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if ($oldest === null || $item['created_at'] < $oldest['created_at']) {
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$oldest = $item;
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}
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}
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return $oldest;
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}
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public function setItem(string $key, array $item, int $id): void {
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$items = $this->getItems($key) ?? [];
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$items[$id] = [
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'item' => $item,
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'created_at' => Carbon::now(),
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];
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$this->setItems($key, $items);
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}
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public function invalidateItem(string $key, int $id): void {
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$items = $this->getItems($key);
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unset($items[$id]);
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if (count($items)) {
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$this->setItems($key, $items);
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} else {
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$this->deleteItems($key);
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}
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}
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public function invalidateItems(string $key): void {
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$this->deleteItems($key);
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}
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public function invalidateAllItems(): void {
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$this->invalidateItems(self::SUBSCRIBERS_STATISTICS_COUNT_KEY);
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$this->invalidateItems(self::SUBSCRIBERS_HOMEPAGE_STATISTICS_COUNT_KEY);
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}
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private function deleteItems(string $key): void {
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$this->wp->deleteTransient($key);
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}
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private function setItems(string $key, array $items): void {
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$this->wp->setTransient($key, $items);
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}
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public function getItems(string $key): array {
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if (!$this->cacheEnabled) {
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return [];
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}
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return $this->wp->getTransient($key) ?: [];
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}
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public function enableCache(): void {
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$this->cacheEnabled = true;
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}
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public function disableCache(): void {
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$this->cacheEnabled = false;
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}
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}
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