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<?php |
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namespace hiapi\components; |
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use League\Tactician\CommandBus; |
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use League\Tactician\Handler\CommandHandlerMiddleware; |
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use League\Tactician\Middleware; |
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use Yii; |
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class TacticianCommandBus extends \yii\base\Component implements CommandBusInterface |
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{ |
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/** |
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* @var Middleware[] |
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*/ |
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protected $middlewares = []; |
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/** |
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* @var Middleware |
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*/ |
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protected $defaultHandler; |
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/** |
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* @var CommandBus |
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*/ |
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protected $realCommandBus; |
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public function __construct(Middleware $defaultHandler, array $config = []) |
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{ |
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parent::__construct($config); |
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$this->defaultHandler = $defaultHandler; |
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$this->realCommandBus = new CommandBus($this->getMiddlewares()); |
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} |
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public function handle($command) |
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{ |
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return $this->realCommandBus->handle($command); |
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} |
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public function getMiddlewares() |
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{ |
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$this->middlewares = $this->prepareMiddlewares($this->middlewares); |
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return $this->middlewares; |
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} |
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protected function prepareMiddlewares($middlewares) |
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{ |
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foreach ($middlewares as &$middleware) { |
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if (!is_object($middleware)) { |
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$middleware = Yii::createObject($middleware); |
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} |
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} |
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if (!$this->containsHandler($middlewares)) { |
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$middlewares[] = $this->defaultHandler; |
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} |
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return $middlewares; |
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} |
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public function setMiddlewares($middlewares) |
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{ |
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$this->middlewares = $middlewares; |
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} |
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protected function containsHandler($middlewares) |
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{ |
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foreach ($middlewares as $middleware) { |
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if ($middleware instanceof CommandHandlerMiddleware) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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hiqdev /
hiapi
