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<?php
namespace MailPoet\Mailer\Methods;
if (!defined('ABSPATH')) exit;
use MailPoet\Mailer\Mailer;
use MailPoet\Mailer\Methods\Common\BlacklistCheck;
use MailPoet\Mailer\Methods\ErrorMappers\SendGridMapper;
use MailPoet\WP\Functions as WPFunctions;
class SendGrid implements MailerMethod {
public $url = 'https://api.sendgrid.com/api/mail.send.json';
public $apiKey;
public $sender;
public $replyTo;
/** @var SendGridMapper */
private $errorMapper;
/** @var BlacklistCheck */
private $blacklist;
private $wp;
public function __construct(
$apiKey,
$sender,
$replyTo,
SendGridMapper $errorMapper
) {
$this->apiKey = $apiKey;
$this->sender = $sender;
$this->replyTo = $replyTo;
$this->errorMapper = $errorMapper;
$this->wp = new WPFunctions();
$this->blacklist = new BlacklistCheck();
}
public function send($newsletter, $subscriber, $extraParams = []): array {
if ($this->blacklist->isBlacklisted($subscriber)) {
$error = $this->errorMapper->getBlacklistError($subscriber);
return Mailer::formatMailerErrorResult($error);
}
$result = $this->wp->wpRemotePost(
$this->url,
$this->request($newsletter, $subscriber, $extraParams)
);
if (is_wp_error($result)) {
$error = $this->errorMapper->getConnectionError($result->get_error_message());
return Mailer::formatMailerErrorResult($error);
}
if ($this->wp->wpRemoteRetrieveResponseCode($result) !== 200) {
$response = json_decode($result['body'], true);
$error = $this->errorMapper->getErrorFromResponse($response, $subscriber);
return Mailer::formatMailerErrorResult($error);
}
return Mailer::formatMailerSendSuccessResult();
}
public function getBody($newsletter, $subscriber, $extraParams = []) {
$body = [
'to' => $subscriber,
'from' => $this->sender['from_email'],
'fromname' => $this->sender['from_name'],
'replyto' => $this->replyTo['reply_to_email'],
'subject' => $newsletter['subject'],
];
$headers = [];
if (!empty($extraParams['unsubscribe_url'])) {
$headers['List-Unsubscribe'] = '<' . $extraParams['unsubscribe_url'] . '>';
}
if ($headers) {
$body['headers'] = json_encode($headers);
}
if (!empty($newsletter['body']['html'])) {
$body['html'] = $newsletter['body']['html'];
}
if (!empty($newsletter['body']['text'])) {
$body['text'] = $newsletter['body']['text'];
}
return $body;
}
public function auth() {
return 'Bearer ' . $this->apiKey;
}
public function request($newsletter, $subscriber, $extraParams = []) {
$body = $this->getBody($newsletter, $subscriber, $extraParams);
return [
'timeout' => 10,
'httpversion' => '1.1',
'method' => 'POST',
'headers' => [
'Authorization' => $this->auth(),
],
'body' => http_build_query($body, '', '&'),
];
}
}