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<?php |
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declare(strict_types=1); |
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namespace Courier\Sparkpost; |
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use Courier\Exceptions\TransmissionException; |
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use Courier\Exceptions\ValidationException; |
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use PhpEmail\Address; |
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use PhpEmail\Content; |
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use PhpEmail\Email; |
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use PhpEmail\Header; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use SparkPost\SparkPost; |
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use SparkPost\SparkPostException; |
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/** |
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* A class to retrieve SparkPost templates and convert them into SimpleContent Email classes. |
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* |
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* SparkPost does not currently support sending attachments with templated emails. For this reason, |
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* this class will instead get the template from SparkPost and create a new SimpleContent Email object with enough |
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* properties set to allow the courier to build the email content. |
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*/ |
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class SparkPostTemplates |
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{ |
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/** |
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* @var SparkPost |
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*/ |
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private $sparkPost; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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public function __construct(SparkPost $sparkPost, LoggerInterface $logger = null) |
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{ |
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$this->sparkPost = $sparkPost; |
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$this->logger = $logger ?: new NullLogger(); |
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} |
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/** |
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* Convert a templated email into simple content email using the content of the template stored on SparkPost. |
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* |
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* @param Email $email |
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* |
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* @return Email |
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*/ |
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public function convertTemplatedEmail(Email $email): Email |
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{ |
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$template = $this->getTemplate($email); |
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$inlineEmail = clone $email; |
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$inlineEmail |
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->setSubject($template[SparkPostCourier::SUBJECT]) |
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->setContent($this->getInlineContent($template)); |
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// If the from contains a templated from, it should be actively replaced now to avoid validation errors. |
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if (strpos($template[SparkPostCourier::FROM][SparkPostCourier::CONTACT_EMAIL], '{{') !== false) { |
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$inlineEmail->setFrom($email->getFrom()); |
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} else { |
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$inlineEmail->setFrom( |
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new Address( |
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$template[SparkPostCourier::FROM][SparkPostCourier::CONTACT_EMAIL], |
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$template[SparkPostCourier::FROM][SparkPostCourier::CONTACT_NAME] |
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) |
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); |
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} |
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// If the form contains a templated replyTo, it should be actively replaced now to avoid validation errors. |
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if (array_key_exists(SparkPostCourier::REPLY_TO, $template)) { |
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if (strpos($template[SparkPostCourier::REPLY_TO], '{{') !== false) { |
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if (empty($email->getReplyTos())) { |
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throw new ValidationException('Reply to is templated but no value was given'); |
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} |
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$inlineEmail->setReplyTos($email->getReplyTos()[0]); |
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} else { |
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$inlineEmail->setReplyTos(Address::fromString($template[SparkPostCourier::REPLY_TO])); |
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} |
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} |
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// Include headers defined on the template |
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if (array_key_exists(SparkPostCourier::HEADERS, $template)) { |
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foreach ($template[SparkPostCourier::HEADERS] as $key => $value) { |
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$inlineEmail->addHeaders(new Header($key, $value)); |
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} |
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} |
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if ($email->getHeaders()) { |
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$inlineEmail->addHeaders(...$email->getHeaders()); |
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} |
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return $inlineEmail; |
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} |
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/** |
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* Create the SimpleContent based on the SparkPost template data. |
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* |
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* @param array $template |
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* |
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* @return Content\SimpleContent |
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*/ |
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protected function getInlineContent(array $template): Content\SimpleContent |
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{ |
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$htmlContent = null; |
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if (array_key_exists(SparkPostCourier::HTML, $template)) { |
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$htmlContent = new Content\SimpleContent\Message($template[SparkPostCourier::HTML]); |
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} |
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$textContent = null; |
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if (array_key_exists(SparkPostCourier::TEXT, $template)) { |
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$textContent = new Content\SimpleContent\Message($template[SparkPostCourier::TEXT]); |
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} |
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return new Content\SimpleContent($htmlContent, $textContent); |
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} |
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/** |
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* Get the template content from SparkPost. |
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* |
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* @param Email $email |
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* |
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* @throws TransmissionException |
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* |
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* @return array |
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*/ |
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private function getTemplate(Email $email): array |
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{ |
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try { |
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$response = $this->sparkPost->syncRequest('GET', "templates/{$email->getContent()->getTemplateId()}"); |
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return $response->getBody()['results'][SparkPostCourier::CONTENT]; |
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} catch (SparkPostException $e) { |
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$this->logger->error( |
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'Received status {code} from SparkPost while retrieving template with body: {body}', |
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[ |
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'code' => $e->getCode(), |
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'body' => $e->getBody(), |
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] |
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); |
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throw new TransmissionException($e->getCode(), $e); |
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} |
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} |
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} |
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quartzy /
courier-sparkpost
