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<?php
namespace FluentMail\App\Services\Mailer\Providers\SendGrid;
use WP_Error as WPError;
use FluentMail\Includes\Support\Arr;
use FluentMail\Includes\Core\Application;
use FluentMail\App\Services\Mailer\Manager;
use FluentMail\App\Services\Mailer\BaseHandler;
use FluentMail\App\Services\Mailer\Providers\SendGrid\ValidatorTrait;
class Handler extends BaseHandler
{
use ValidatorTrait;
protected $emailSentCode = 202;
protected $url = 'https://api.sendgrid.com/v3/mail/send';
public function send()
{
if ($this->preSend()) {
return $this->postSend();
}
return $this->handleResponse(new \WP_Error(422, __('Something went wrong!', 'fluent-smtp'), []));
}
public function postSend()
{
$body = [
'from' => $this->getFrom(),
'personalizations' => $this->getRecipients(),
'subject' => $this->getSubject(),
'content' => $this->getBody()
];
if ($replyTo = $this->getReplyTo()) {
$body['reply_to'] = $replyTo;
}
if (!empty($this->getParam('attachments'))) {
$body['attachments'] = $this->getAttachments();
}
$params = [
'body' => json_encode($body),
'headers' => $this->getRequestHeaders()
];
$params = array_merge($params, $this->getDefaultParams());
$response = wp_safe_remote_post($this->url, $params);
if (is_wp_error($response)) {
$returnResponse = new \WP_Error($response->get_error_code(), $response->get_error_message(), $response->get_error_messages());
} else {
$responseBody = wp_remote_retrieve_body($response);
$responseCode = wp_remote_retrieve_response_code($response);
$isOKCode = $responseCode == $this->emailSentCode;
$responseBody = \json_decode($responseBody, true);
if ($isOKCode) {
$returnResponse = [
'code' => 202,
'message' => Arr::get($responseBody, 'message')
];
} else {
$returnResponse = new \WP_Error($responseCode, Arr::get($responseBody, 'errors.0.message', 'Unknown Error'), $responseBody);
}
}
$this->response = $returnResponse;
return $this->handleResponse($this->response);
}
protected function getFrom()
{
$from = [
'email' => $this->getParam('sender_email')
];
if ($name = $this->getParam('sender_name')) {
$from['name'] = $name;
}
return $from;
}
protected function getReplyTo()
{
if ($replyTo = $this->getParam('headers.reply-to')) {
return reset($replyTo);
}
}
protected function getRecipients()
{
$recipients = [
'to' => $this->getTo(),
'cc' => $this->getCarbonCopy(),
'bcc' => $this->getBlindCarbonCopy(),
];
$recipients = array_filter($recipients);
foreach ($recipients as $key => $recipient) {
$array = array_map(function ($recipient) {
return isset($recipient['name'])
? $recipient['name'] . ' <' . $recipient['email'] . '>'
: $recipient['email'];
}, $recipient);
$this->attributes['formatted'][$key] = implode(', ', $array);
}
return [$recipients];
}
protected function getTo()
{
return $this->getParam('to');
}
protected function getCarbonCopy()
{
return $this->getParam('headers.cc');
}
protected function getBlindCarbonCopy()
{
return $this->getParam('headers.bcc');
}
protected function getBody()
{
$contentType = $this->getParam('headers.content-type');
if ($contentType == 'multipart/alternative') {
return [
[
'value' => $this->phpMailer->AltBody,
'type' => 'text/plain'
],
[
'value' => $this->getParam('message'),
'type' => 'text/html'
]
];
}
return [
[
'value' => $this->getParam('message'),
'type' => $contentType
]
];
}
protected function getAttachments()
{
$data = [];
foreach ($this->getParam('attachments') as $attachment) {
$file = false;
try {
if (is_file($attachment[0]) && is_readable($attachment[0])) {
$fileName = basename($attachment[0]);
$contentId = wp_hash($attachment[0]);
$file = file_get_contents($attachment[0]);
$mimeType = mime_content_type($attachment[0]);
$filetype = str_replace(';', '', trim($mimeType));
}
} catch (\Exception $e) {
$file = false;
}
if ($file === false) {
continue;
}
$data[] = [
'type' => $filetype,
'filename' => $fileName,
'disposition' => 'attachment',
'content_id' => $contentId,
'content' => base64_encode($file)
];
}
return $data;
}
protected function getCustomEmailHeaders()
{
return [];
}
protected function getRequestHeaders()
{
return [
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->getSetting('api_key')
];
}
public function setSettings($settings)
{
if ($settings['key_store'] == 'wp_config') {
$settings['api_key'] = defined('FLUENTMAIL_SENDGRID_API_KEY') ? FLUENTMAIL_SENDGRID_API_KEY : '';
}
$this->settings = $settings;
return $this;
}
}
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