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<?php |
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declare(strict_types=1); |
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namespace TMV\Messenger\Handler; |
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use function class_implements; |
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use function class_parents; |
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use function get_class; |
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use function in_array; |
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use function is_callable; |
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use function is_string; |
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use Psr\Container\ContainerInterface; |
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use Symfony\Component\Messenger\Envelope; |
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use Symfony\Component\Messenger\Handler\HandlerDescriptor; |
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use Symfony\Component\Messenger\Handler\HandlersLocatorInterface; |
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use Symfony\Component\Messenger\Stamp\ReceivedStamp; |
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use TMV\Messenger\Exception\InvalidArgumentException; |
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final class ContainerHandlersLocator implements HandlersLocatorInterface |
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{ |
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/** @var ContainerInterface */ |
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private $container; |
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/** @var string[][]|array<string, array<string|callable>>> */ |
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private $handlers; |
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/** |
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* @param ContainerInterface $container |
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* @param string[][]|array<string, array<string|callable>> $handlers |
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*/ |
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public function __construct(ContainerInterface $container, array $handlers) |
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{ |
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$this->container = $container; |
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$this->handlers = $handlers; |
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} |
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public function getHandlers(Envelope $envelope): iterable |
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{ |
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$seen = []; |
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foreach (self::listTypes($envelope) as $type) { |
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foreach ($this->handlers[$type] ?? [] as $handlerDescriptor) { |
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if (is_callable($handlerDescriptor)) { |
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$handlerDescriptor = new HandlerDescriptor($handlerDescriptor); |
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} elseif (is_string($handlerDescriptor)) { |
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$handlerDescriptor = new HandlerDescriptor($this->container->get($handlerDescriptor)); |
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} |
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if (! $handlerDescriptor instanceof HandlerDescriptor) { |
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throw new InvalidArgumentException('Invalid handler descriptor provided'); |
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} |
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if (! $this->shouldHandle($envelope, $handlerDescriptor)) { |
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continue; |
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} |
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$name = $handlerDescriptor->getName(); |
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if (in_array($name, $seen, true)) { |
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continue; |
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} |
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$seen[] = $name; |
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yield $handlerDescriptor; |
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} |
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} |
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3 |
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} |
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/** |
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* @param Envelope $envelope |
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* |
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* @return array<string, string> |
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*/ |
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private static function listTypes(Envelope $envelope): array |
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{ |
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/** @var string $class */ |
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$class = get_class($envelope->getMessage()); |
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return [$class => $class] |
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+ class_parents($class) |
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+ class_implements($class) |
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+ ['*' => '*']; |
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} |
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private function shouldHandle(Envelope $envelope, HandlerDescriptor $handlerDescriptor): bool |
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{ |
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/** @var ReceivedStamp|null $received */ |
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$received = $envelope->last(ReceivedStamp::class); |
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if ($received === null) { |
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return true; |
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} |
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$expectedTransport = $handlerDescriptor->getOption('from_transport'); |
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1 |
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if ($expectedTransport === null) { |
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return true; |
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} |
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return $received->getTransportName() === $expectedTransport; |
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} |
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} |
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thomasvargiu /
zf-messenger
