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<?php |
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/* |
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* This file is part of the Exchange Rate Bundle, an RunOpenCode project. |
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* |
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* (c) 2017 RunOpenCode |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace RunOpenCode\Bundle\ExchangeRate\Listener; |
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use RunOpenCode\Bundle\ExchangeRate\Event\FetchErrorEvent; |
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use RunOpenCode\Bundle\ExchangeRate\Event\FetchSuccessEvent; |
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/** |
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* Class FetchEventsEmailNotificationListener |
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* |
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* @package RunOpenCode\Bundle\ExchangeRate\Listener |
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*/ |
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class FetchEventsEmailNotificationListener |
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{ |
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/** |
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* @var \Twig_Environment |
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*/ |
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private $twig; |
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/** |
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* @var \Swift_Mailer |
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*/ |
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private $mailer; |
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/** |
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* FetchEventsEmailNotificationListener constructor. |
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* |
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* @param \Twig_Environment $twig |
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* @param \Swift_Mailer $mailer |
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*/ |
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public function __construct(\Twig_Environment $twig, \Swift_Mailer $mailer) |
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{ |
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$this->twig = $twig; |
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$this->mailer = $mailer; |
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} |
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/** |
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* Success event handler |
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* |
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* @param FetchSuccessEvent $successEvent |
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*/ |
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public function onFetchSuccess(FetchSuccessEvent $successEvent) |
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{ |
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$message = $this->buildSwiftMessage('@ExchangeRate/mail/success.html.twig', [ |
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'date' => $successEvent->getDate(), |
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'rates' => $successEvent->getRates() |
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]); |
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$this->mailer->send($message); |
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} |
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/** |
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* Error event handler |
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* |
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* @param FetchErrorEvent $errorEvent |
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*/ |
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public function onFetchError(FetchErrorEvent $errorEvent) |
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{ |
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$message = $this->buildSwiftMessage('@ExchangeRate/mail/error.html.twig', [ |
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'date' => $errorEvent->getDate(), |
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'errors' => $errorEvent->getErrors() |
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]); |
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$this->mailer->send($message); |
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} |
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/** |
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* Builds swift message |
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* |
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* @param string $template |
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* @param array $context |
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* |
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* @return \Swift_Message |
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*/ |
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private function buildSwiftMessage($template, array $context = []) |
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{ |
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$message = new \Swift_Message(); |
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$message |
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->setSubject($this->renderBlock($template, 'subject', $context)) |
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->setTo($this->renderBlock($template, 'to', $context)) |
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->setBody($this->renderBlock($template, 'body', $context), 'text/html'); |
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return $message; |
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} |
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/** |
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* Render twig template single block |
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* |
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* @param string $template |
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* @param string $block |
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* @param array $context |
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* |
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* @return string |
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*/ |
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private function renderBlock($template, $block, array $context = []) |
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{ |
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/** @var $template \Twig_Template */ |
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$template = $this->twig->loadTemplate($template); |
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$context = $this->twig->mergeGlobals($context); |
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return $template->renderParentBlock($block, $context); |
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} |
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} |
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