76c299c3d7
In the previous commit, we removed the global count for our output. This commit removes the logic as the only places where it was used was in recalculating the cache and since the last commit, we do not use this value anymore [MAILPOET-4487]
96 lines
2.4 KiB
PHP
96 lines
2.4 KiB
PHP
<?php declare(strict_types = 1);
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namespace MailPoet\Cache;
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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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