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<?php |
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namespace Wandu\Event; |
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use Psr\Container\ContainerInterface; |
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use Wandu\Q\Queue; |
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use RuntimeException; |
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class Dispatcher implements DispatcherInterface |
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{ |
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/** @var \Psr\Container\ContainerInterface */ |
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protected $container; |
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/** @var array|\Wandu\Event\ListenerInterface[][]|callable[][] */ |
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protected $listeners = []; |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function on(string $event, $listener) |
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{ |
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if (!array_key_exists($event, $this->listeners)) { |
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$this->listeners[$event] = []; |
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} |
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$this->listeners[$event][] = $listener; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function off(string $event, $listener = null) |
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{ |
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if ($listener) { |
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// @todo |
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} else { |
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$this->listeners[$event] = []; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function trigger(EventInterface $event) |
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{ |
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if (!count($this->listeners)) { |
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return; |
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} |
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if ($event instanceof ViaQueue) { |
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if (!$this->container->has(Queue::class)) { |
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// @todo fix error message |
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throw new RuntimeException('cannot load queue.'); |
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} |
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$this->container->get(Queue::class)->enqueue([ |
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'method' => 'event:execute', |
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'event' => $event, |
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]); |
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} else { |
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$this->executeListeners($event); |
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} |
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} |
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/** |
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* @param \Wandu\Event\EventInterface $event |
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* @return array |
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*/ |
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public function executeListeners(EventInterface $event) |
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{ |
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$executedListeners = []; |
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$eventName = get_class($event); |
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if (!isset($this->listeners[$eventName])) { |
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return []; |
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} |
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foreach ($this->listeners[$eventName] as $listener) { |
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if (is_callable($listener)) { |
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call_user_func($listener, $event); |
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$executedListeners[] = 'callable'; |
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} elseif (is_string($listener)) { |
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$this->container->get($listener)->call($event); |
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$executedListeners[] = $listener; |
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} elseif ($listener instanceof ListenerInterface) { |
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$listener->call($event); |
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$executedListeners[] = get_class($listener); |
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} |
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} |
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return $executedListeners; |
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} |
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} |
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Wandu /
Framework
This check looks for the bodies of
ifstatements that have no statements or where all statements have been commented out. This may be the result of changes for debugging or the code may simply be obsolete.These
ifbodies can be removed. If you have an empty if but statements in theelsebranch, consider inverting the condition.could be turned into
This is much more concise to read.