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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Queue\Middleware\FailureHandling\Implementation; |
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use InvalidArgumentException; |
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use Yiisoft\Queue\Message\MessageInterface; |
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use Yiisoft\Queue\Middleware\FailureHandling\FailureEnvelope; |
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use Yiisoft\Queue\Middleware\FailureHandling\FailureHandlingRequest; |
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use Yiisoft\Queue\Middleware\FailureHandling\MessageFailureHandlerInterface; |
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use Yiisoft\Queue\Middleware\FailureHandling\MiddlewareFailureInterface; |
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use Yiisoft\Queue\QueueInterface; |
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/** |
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* Failure strategy which resends the given message to a queue. |
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*/ |
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final class SendAgainMiddleware implements MiddlewareFailureInterface |
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{ |
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public const META_KEY_RESEND = 'failure-strategy-resend-attempts'; |
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/** |
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* @param string $id A unique id to differentiate two and more instances of this class |
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* @param int $maxAttempts Maximum attempts count for this strategy with the given $id before it will give up |
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* @param QueueInterface|null $targetQueue Messages will be sent to this queue if set. |
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* They will be resent to an original queue otherwise. |
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*/ |
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public function __construct( |
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private string $id, |
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private int $maxAttempts, |
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private ?QueueInterface $targetQueue = null, |
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) { |
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if ($maxAttempts < 1) { |
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throw new InvalidArgumentException("maxAttempts parameter must be a positive integer, $this->maxAttempts given."); |
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} |
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} |
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public function processFailure( |
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FailureHandlingRequest $request, |
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MessageFailureHandlerInterface $handler |
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): FailureHandlingRequest { |
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$message = $request->getMessage(); |
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if ($this->suites($message)) { |
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$envelope = new FailureEnvelope($message, $this->createMeta($message)); |
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$envelope = ($this->targetQueue ?? $request->getQueue())->push($envelope); |
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return $request->withMessage($envelope) |
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->withQueue($this->targetQueue ?? $request->getQueue()); |
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} |
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return $handler->handleFailure($request); |
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} |
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private function suites(MessageInterface $message): bool |
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{ |
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return $this->getAttempts($message) < $this->maxAttempts; |
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} |
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private function createMeta(MessageInterface $message): array |
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{ |
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return [$this->getMetaKey() => $this->getAttempts($message) + 1]; |
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} |
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private function getAttempts(MessageInterface $message): int |
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{ |
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$result = $message->getMetadata()[FailureEnvelope::FAILURE_META_KEY][$this->getMetaKey()] ?? 0; |
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if ($result < 0) { |
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$result = 0; |
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} |
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return (int) $result; |
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} |
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private function getMetaKey(): string |
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{ |
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return self::META_KEY_RESEND . "-$this->id"; |
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} |
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} |
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yiisoft /
queue
