ngds/vendor/elkengit/eknotifier-php/src/EknotifierEmail.php

<?php
namespace ElkenGit\EknotifierPHP;

use Carbon\Carbon;

/**
 * Class EmailNotifier to provide Email Notifier integration for EKNotifier Service.
 */
class EknotifierEmail extends EknotifierCommon
{
    /**
     * Instantiate EknotifierEmail Class.
     *
     * @param string|null $url
     * @param string|null $applicationCode
     * @param string|null $applicationPassword
     * @throws \Exception
     */
    public function __construct(string $url = null, string $applicationCode = null, string $applicationPassword = null)
    {
        parent::__construct($url, $applicationCode, $applicationPassword);
    }

    /**
     * Send email to the eknotifier service.
     *
     * @param array $emails
     * @param string $subject
     * @param string $text
     * @param int $userId
     * @return bool
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function sendEmail(array $emails, string $subject, string $text): bool
    {
        $token = $this->getAuthToken();

        $request = [
            'name' => $this->applicationCode . ' EMAIL ' . (count($emails) > 1 ? '[multiple]' : $emails[0]['email']),
            'send_at' => Carbon::now()->format('Y-m-d H:i:s'),
            'recipients' => []
        ];

        foreach ($emails as $recipient) {
            $request['recipients'][] = [
                'application_user_id' => $recipient['user_id'] ?? 0,
                'delivery_destination' => $recipient['email'],
                'delivery_type' => 'EMAIL',
                'subject' => $subject,
                'body' => $text
            ];
        }

        $response = $this->postAPI('notification/send', $request, $token);

        return $response->getStatusCode() === 200;
    }
}