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<?php |
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declare(strict_types=1); |
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namespace League\Tactician\Bundle\DependencyInjection\Compiler\BusBuilder; |
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use League\Tactician\Bundle\Handler\ContainerBasedHandlerLocator; |
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use League\Tactician\CommandBus; |
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use League\Tactician\Container\ContainerLocator; |
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use League\Tactician\Handler\CommandHandlerMiddleware; |
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use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Definition; |
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use Symfony\Component\DependencyInjection\Reference; |
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use Symfony\Component\DependencyInjection\ServiceLocator; |
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final class BusBuilder |
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{ |
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/** |
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* @var string |
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*/ |
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private $busId; |
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/** |
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* @var string[] |
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*/ |
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private $middlewareIds = []; |
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/** |
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* @var string |
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*/ |
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private $methodInflectorId; |
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public function __construct(string $busId, string $methodInflector, array $middlewareIds) |
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{ |
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$this->busId = $busId; |
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$this->methodInflectorId = $methodInflector; |
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$this->middlewareIds = $middlewareIds; |
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} |
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public function id(): string |
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{ |
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return $this->busId; |
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} |
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public function serviceId(): string |
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{ |
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return "tactician.commandbus.$this->busId"; |
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} |
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public function locatorServiceId() |
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{ |
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return "tactician.commandbus.{$this->busId}.handler.locator"; |
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} |
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public function commandHandlerMiddlewareId(): string |
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{ |
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return "tactician.commandbus.{$this->busId}.middleware.command_handler"; |
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} |
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public function registerInContainer(ContainerBuilder $container, array $commandsToAccept) |
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{ |
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$this->registerLocatorService($container, $commandsToAccept); |
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$container->setDefinition( |
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$this->commandHandlerMiddlewareId(), |
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new Definition( |
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CommandHandlerMiddleware::class, |
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[ |
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new Reference('tactician.handler.command_name_extractor.class_name'), |
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new Reference($this->locatorServiceId()), |
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new Reference($this->methodInflectorId), |
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] |
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) |
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); |
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$container->setDefinition( |
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$this->serviceId(), |
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new Definition( |
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CommandBus::class, |
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[ |
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array_map( |
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function (string $id) { return new Reference($id); }, |
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$this->middlewareIds |
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) |
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] |
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) |
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)->setPublic(true); |
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if (method_exists($container, 'registerAliasForArgument')) { |
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$container->registerAliasForArgument($this->serviceId(), CommandBus::class, "{$this->busId}Bus"); |
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} |
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} |
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private function registerLocatorService(ContainerBuilder $container, $commandsToAccept) |
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{ |
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// Leverage symfony/dependency-injection:^3.3 service locators |
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if (class_exists(ServiceLocator::class)) { |
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$definition = new Definition( |
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ContainerLocator::class, |
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[new Reference($this->registerHandlerServiceLocator($container, $commandsToAccept)), $commandsToAccept] |
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); |
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} else { |
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$definition = new Definition( |
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ContainerBasedHandlerLocator::class, |
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[new Reference('service_container'), $commandsToAccept] |
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); |
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} |
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$container->setDefinition($this->locatorServiceId(), $definition); |
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} |
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private function registerHandlerServiceLocator(ContainerBuilder $container, array $commandsToAccept): string |
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{ |
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$handlers = []; |
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foreach ($commandsToAccept as $commandName => $handlerId) { |
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$handlers[$handlerId] = new ServiceClosureArgument(new Reference($handlerId)); |
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} |
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$handlerServiceLocator = (new Definition(ServiceLocator::class, [$handlers])) |
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->setPublic(false) |
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->addTag('container.service_locator'); |
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$container->setDefinition( |
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$handlerId = "tactician.commandbus.{$this->busId}.handler.service_locator", |
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$handlerServiceLocator |
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); |
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return $handlerId; |
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} |
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} |
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thephpleague /
tactician-bundle
