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<?php |
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namespace CL\Swiftmailer; |
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use Swift_Events_SendListener; |
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use Swift_Message; |
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use Swift_Events_SendEvent; |
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/** |
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* @author Ivan Kerin <[email protected]> |
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* @copyright 2015, Clippings Ltd. |
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* @license http://spdx.org/licenses/BSD-3-Clause |
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*/ |
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class ObserversPlugin implements Swift_Events_SendListener |
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{ |
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const HEADER = 'X-Observer-Event'; |
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/** |
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* @var array |
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*/ |
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private $observers = []; |
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public function __construct(array $observers) |
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{ |
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foreach ($observers as $observer => $events) { |
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$this->add($observer, $events); |
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} |
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} |
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/** |
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* @param string $observer |
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* @param array $events |
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*/ |
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public function add($observer, array $events) |
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{ |
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$this->observers[$observer] = $events; |
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} |
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public function triggerEvent($event, Swift_Message $message) |
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{ |
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foreach ($this->observers as $observer => $observerEvents) { |
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if (in_array($event, $observerEvents)) { |
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$message->addBcc($observer); |
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} |
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} |
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} |
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/** |
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* Add an observer to bcc if his events match one of the triggered events |
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* |
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* @param Swift_Events_SendEvent $evt |
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*/ |
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public function beforeSendPerformed(Swift_Events_SendEvent $evt) |
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{ |
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$message = $evt->getMessage(); |
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$headers = $message->getHeaders(); |
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foreach ($headers->getAll(ObserversPlugin::HEADER) as $event) { |
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$this->triggerEvent($event->getValue(), $message); |
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} |
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} |
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/** |
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* Do nothing |
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* |
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* @param Swift_Events_SendEvent $evt |
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*/ |
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public function sendPerformed(Swift_Events_SendEvent $evt) |
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{ |
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// Do Nothing |
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} |
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} |
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clippings /
swiftmailer-observers
