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<?php |
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namespace hiapi\components; |
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use League\Tactician\Handler\CommandHandlerMiddleware; |
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use League\Tactician\CommandBus as Worker; |
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use Yii; |
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class CommandBus extends \yii\base\Component |
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{ |
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public $locator; |
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public $extractor; |
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public $inflector; |
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public $middlewares = []; |
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protected $handler; |
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protected $worker; |
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public function handle($command) |
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{ |
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return $this->getWorker()->handle($command); |
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} |
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public function getWorker() |
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{ |
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if ($this->worker === null) { |
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$this->worker = $this->buildWorker(); |
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} |
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return $this->worker; |
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} |
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protected function buildWorker() |
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{ |
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return new Worker($this->getMiddlewares()); |
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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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if (!$this->holdsHandler($this->middlewares)) { |
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$this->middlewares[] = $this->getHandler(); |
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} |
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return $this->middlewares; |
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} |
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public function prepareMiddlewares($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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return $middlewares; |
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} |
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public function getHandler() |
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{ |
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if ($this->handler === null) { |
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$this->handler = $this->buildHandler(); |
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} |
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return $this->handler; |
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} |
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public function buildHandler() |
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{ |
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return Yii::createObject(CommandHandlerMiddleware::class, [ |
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$this->getExtractor(), |
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$this->getLocator(), |
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$this->getInflector(), |
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]); |
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} |
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public function getExtractor() |
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{ |
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if (!is_object($this->extractor)) { |
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$this->extractor = Yii::createObject($this->extractor); |
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} |
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return $this->extractor; |
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} |
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public function getLocator() |
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{ |
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if (!is_object($this->locator)) { |
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$this->locator = Yii::createObject($this->locator); |
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} |
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return $this->locator; |
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} |
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public function getInflector() |
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{ |
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if (!is_object($this->inflector)) { |
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$this->inflector = Yii::createObject($this->inflector); |
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} |
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return $this->inflector; |
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} |
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public function holdsHandler($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
