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<?php |
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namespace Cerbero\Dto\Manipulators; |
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/** |
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* The DTO listener. |
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* |
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*/ |
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class Listener |
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{ |
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/** |
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* The listener instance. |
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* |
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* @var self |
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*/ |
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protected static $instance; |
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/** |
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* The listeners map. |
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* |
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* @var array |
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*/ |
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protected $listenersMap = []; |
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/** |
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* The cached DTO listeners. |
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* |
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* @var array |
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*/ |
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protected $cachedListeners = []; |
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/** |
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* Instantiate the class |
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*/ |
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protected function __construct() |
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{ |
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// |
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} |
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/** |
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* Retrieve the listener instance |
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* |
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* @return self |
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*/ |
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public static function instance(): self |
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{ |
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return static::$instance = static::$instance ?: new static(); |
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} |
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/** |
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* Set the listeners map |
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* |
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* @param array $listenersMap |
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* @return self |
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*/ |
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public function listen(array $listenersMap): self |
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{ |
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$this->listenersMap = $listenersMap; |
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return $this; |
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} |
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/** |
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* Add a listener for the given DTO |
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* |
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* @param string $dtoClass |
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* @param string $listener |
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* @return self |
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*/ |
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public function addListener(string $dtoClass, string $listener): self |
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{ |
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$this->listenersMap[$dtoClass] = $listener; |
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return $this; |
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} |
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/** |
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* Remove the listener of the given DTO |
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* |
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* @param string $dtoClass |
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* @return self |
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*/ |
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public function removeListener(string $dtoClass): self |
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{ |
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unset($this->listenersMap[$dtoClass]); |
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return $this; |
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} |
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/** |
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* Retrieve the listeners map |
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* |
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* @return array |
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*/ |
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public function getListeners(): array |
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{ |
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return $this->listenersMap; |
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} |
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/** |
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* Call the DTO listener when retrieving a value |
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* |
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* @param string $dtoClass |
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* @param string $property |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public function getting(string $dtoClass, string $property, $value) |
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{ |
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$method = 'get' . str_replace('_', '', ucwords($property, '_')); |
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return $this->callListenerOrReturnValue($dtoClass, $method, $value); |
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} |
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/** |
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* Retrieve the result of the given listener method or the provided value |
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* |
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* @param string $dtoClass |
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* @param string $method |
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* @param mixed $value |
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* @return mixed |
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*/ |
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protected function callListenerOrReturnValue(string $dtoClass, string $method, $value) |
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{ |
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$listener = $this->listenersMap[$dtoClass] ?? new \stdClass(); |
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if (!method_exists($listener, $method)) { |
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return $value; |
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} elseif (empty($this->cachedListeners[$dtoClass])) { |
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$this->cachedListeners[$dtoClass] = $this->resolveListener($listener); |
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} |
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return $this->cachedListeners[$dtoClass]->$method($value); |
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} |
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/** |
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* Retrieve the instance of the given listener |
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* |
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* @param string $listener |
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* @return mixed |
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*/ |
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protected function resolveListener(string $listener) |
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{ |
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return new $listener(); |
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} |
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/** |
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* Call the DTO listener when setting a value |
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* |
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* @param string $dtoClass |
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* @param string $property |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public function setting(string $dtoClass, string $property, $value) |
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{ |
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$method = 'set' . str_replace('_', '', ucwords($property, '_')); |
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return $this->callListenerOrReturnValue($dtoClass, $method, $value); |
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} |
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} |
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cerbero90 /
dto
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