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| 1 | <?php |
| 2 | |
| 3 | // ╔════════════════════════════════════════════════════════════╗ |
| 4 | // ║ MIT Licence (#Expat) - https://opensource.org/licenses/MIT ║ |
| 5 | // ║ Copyright 2026 Frederic Poeydomenge <dyno@phexium.com> ║ |
| 6 | // ╚════════════════════════════════════════════════════════════╝ |
| 7 | |
| 8 | declare(strict_types=1); |
| 9 | |
| 10 | namespace Phexium\Plugin\Cache\Adapter; |
| 11 | |
| 12 | use DateInterval; |
| 13 | use DateTimeImmutable; |
| 14 | use Override; |
| 15 | use Phexium\Plugin\Cache\Internal\CacheEntry; |
| 16 | use Phexium\Plugin\Cache\Internal\CacheMultipleOperationsTrait; |
| 17 | use Phexium\Plugin\Cache\Port\CacheInterface; |
| 18 | use Phexium\Plugin\Clock\Port\ClockInterface; |
| 19 | |
| 20 | final class InMemoryCache implements CacheInterface |
| 21 | { |
| 22 | use CacheMultipleOperationsTrait; |
| 23 | |
| 24 | private array $cache = []; |
| 25 | |
| 26 | public function __construct( |
| 27 | private readonly ClockInterface $clock, |
| 28 | ) {} |
| 29 | |
| 30 | #[Override] |
| 31 | public function get(string $key, mixed $default = null): mixed |
| 32 | { |
| 33 | if (!$this->has($key)) { |
| 34 | return $default; |
| 35 | } |
| 36 | |
| 37 | return $this->cache[$key]->value; |
| 38 | } |
| 39 | |
| 40 | #[Override] |
| 41 | public function set(string $key, mixed $value, DateInterval|int|null $ttl = null): bool |
| 42 | { |
| 43 | $ttlSeconds = $this->normalizeTtl($ttl); |
| 44 | |
| 45 | if ($ttlSeconds !== null && $ttlSeconds <= 0) { |
| 46 | $this->delete($key); |
| 47 | |
| 48 | return true; |
| 49 | } |
| 50 | |
| 51 | $expiresAt = null; |
| 52 | |
| 53 | if ($ttlSeconds !== null) { |
| 54 | $expiresAt = $this->clock->now()->getTimestamp() + $ttlSeconds; |
| 55 | } |
| 56 | |
| 57 | $this->cache[$key] = new CacheEntry($value, $expiresAt); |
| 58 | |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | #[Override] |
| 63 | public function has(string $key): bool |
| 64 | { |
| 65 | if (!array_key_exists($key, $this->cache)) { |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | $entry = $this->cache[$key]; |
| 70 | |
| 71 | if ($entry->expiresAt !== null && $entry->expiresAt <= $this->clock->now()->getTimestamp()) { |
| 72 | unset($this->cache[$key]); |
| 73 | |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | #[Override] |
| 81 | public function delete(string $key): bool |
| 82 | { |
| 83 | if (!array_key_exists($key, $this->cache)) { |
| 84 | return false; |
| 85 | } |
| 86 | |
| 87 | unset($this->cache[$key]); |
| 88 | |
| 89 | return true; |
| 90 | } |
| 91 | |
| 92 | #[Override] |
| 93 | public function clear(): bool |
| 94 | { |
| 95 | $this->cache = []; |
| 96 | |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | private function normalizeTtl(DateInterval|int|null $ttl): ?int |
| 101 | { |
| 102 | if ($ttl instanceof DateInterval) { |
| 103 | $now = new DateTimeImmutable(); |
| 104 | |
| 105 | return $now->add($ttl)->getTimestamp() - $now->getTimestamp(); |
| 106 | } |
| 107 | |
| 108 | return $ttl; |
| 109 | } |
| 110 | } |