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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Modules\Mail\Application\Service\Message; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Modules\Mail\Domain\Model\MailMessageSummaryDto; |
| 12 | use App\Modules\Mail\Domain\Model\MailSearchCriteriaDto; |
| 13 | use Throwable; |
| 14 | use Yiisoft\Cache\CacheInterface; |
| 15 | |
| 16 | /** |
| 17 | * Webmail Message Cache Manager. |
| 18 | * |
| 19 | * Handles query result caching and versioned invalidation for mailbox folder message lists. |
| 20 | * |
| 21 | * @package App\Modules\Mail\Application\Service\Message |
| 22 | */ |
| 23 | final readonly class WebmailMessageCacheManager |
| 24 | { |
| 25 | /** |
| 26 | * WebmailMessageCacheManager constructor. |
| 27 | * |
| 28 | * @param CacheInterface|null $cache Cache backend implementation. |
| 29 | */ |
| 30 | public function __construct( |
| 31 | private ?CacheInterface $cache = null, |
| 32 | ) { |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Builds unique cache key for message list query. |
| 37 | * |
| 38 | * @param int $mailboxId Mailbox identifier. |
| 39 | * @param MailSearchCriteriaDto $criteria Search and filter criteria. |
| 40 | * @param int $page Page index. |
| 41 | * @param int $perPage Items per page. |
| 42 | * @return string Unique cache key. |
| 43 | */ |
| 44 | public function buildMessagesCacheKey( |
| 45 | int $mailboxId, |
| 46 | MailSearchCriteriaDto $criteria, |
| 47 | int $page, |
| 48 | int $perPage, |
| 49 | ): string { |
| 50 | $ver = $this->getMailboxCacheVersion($mailboxId); |
| 51 | $criteriaHash = hash('sha256', serialize([ |
| 52 | $criteria->folder, |
| 53 | $criteria->query, |
| 54 | $criteria->isUnreadOnly, |
| 55 | $criteria->isFlaggedOnly, |
| 56 | $criteria->hasAttachmentsOnly, |
| 57 | $criteria->sortDirection, |
| 58 | ])); |
| 59 | |
| 60 | return sprintf('webmail_msgs_%d_v%d_%s_p%d_l%d', $mailboxId, $ver, $criteriaHash, $page, $perPage); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Retrieves current cache invalidation version for a mailbox. |
| 65 | * |
| 66 | * @param int $mailboxId Mailbox identifier. |
| 67 | * @return int Invalidation version integer. |
| 68 | */ |
| 69 | public function getMailboxCacheVersion(int $mailboxId): int |
| 70 | { |
| 71 | if ($this->cache === null) { |
| 72 | return 1; |
| 73 | } |
| 74 | |
| 75 | try { |
| 76 | $ver = $this->cache->psr()->get('webmail_ver_' . $mailboxId); |
| 77 | return is_int($ver) ? $ver : 1; |
| 78 | } catch (Throwable) { |
| 79 | return 1; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Invalidates all cached message lists for a mailbox. |
| 85 | * |
| 86 | * @param int $mailboxId Mailbox identifier. |
| 87 | */ |
| 88 | public function invalidateMailboxMessagesCache(int $mailboxId): void |
| 89 | { |
| 90 | if ($this->cache !== null) { |
| 91 | try { |
| 92 | $ver = $this->getMailboxCacheVersion($mailboxId); |
| 93 | $this->cache->psr()->set('webmail_ver_' . $mailboxId, $ver + 1, 86400 * 30); |
| 94 | } catch (Throwable) { |
| 95 | // Ignore cache invalidation error |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Retrieves cached message list payload. |
| 102 | * |
| 103 | * @param string $cacheKey Cache key. |
| 104 | * @return array{messages: array<MailMessageSummaryDto>, total: int, is_cached: bool}|null Cached data or null. |
| 105 | */ |
| 106 | public function getCachedMessages(string $cacheKey): ?array |
| 107 | { |
| 108 | if ($this->cache === null) { |
| 109 | return null; |
| 110 | } |
| 111 | |
| 112 | try { |
| 113 | /** @var array{messages: array<MailMessageSummaryDto>, total: int, is_cached: bool}|null $data */ |
| 114 | $data = $this->cache->psr()->get($cacheKey); |
| 115 | return is_array($data) ? $data : null; |
| 116 | } catch (Throwable) { |
| 117 | return null; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Stores message list payload into cache backend with 1 hour TTL. |
| 123 | * |
| 124 | * @param string $cacheKey Cache key. |
| 125 | * @param array<string, mixed> $payload Cached payload. |
| 126 | */ |
| 127 | public function saveCachedMessages(string $cacheKey, array $payload): void |
| 128 | { |
| 129 | if ($this->cache === null) { |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | try { |
| 134 | $this->cache->psr()->set($cacheKey, $payload, 3600); |
| 135 | } catch (Throwable) { |
| 136 | // Ignore cache write failure |
| 137 | } |
| 138 | } |
| 139 | } |