<?php

namespace Fab\Formule\Service;

/*

* This file is part of the Fab/Formule project under GPLv2 or later.

*

* For the full copyright and license information, please read the

* LICENSE.md file that was distributed with this source code.

*/

use Fab\Formule\Exception\InvalidEmailFormatException;

use TYPO3\CMS\Core\SingletonInterface;

/**

* EmailAddressService

*/

class EmailAddressService implements SingletonInterface

{

/**

* @param string $listOfEmails

* @return array

*/

public function parse(string $listOfEmails): array

{

$emails = array();

if (preg_match_all('/\s*"?([^><,"]+)"?\s*((?:<[^><,]+>)?)\s*/', $listOfEmails, $matches, PREG_SET_ORDER) > 0) {

foreach ($matches as $match) {

if (!empty($match[2])) {

$emails[trim($match[2], '<>')] = $match[1];

} else {

$emails[$match[1]] = $match[1];

}

}

}

return $emails;

}

/**

* Validate emails to be used in the SwiftMailer framework

*

* @throws InvalidEmailFormatException

* @param $emails

* @return boolean

*/

public function validate($emails): bool

{

foreach ($emails as $email => $name) {

if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {

$message = sprintf('Email provided is not valid, given value "%s"', $email);

throw new InvalidEmailFormatException($message, 1350297165);

}

if (strlen($name) <= 0) {

$message = sprintf('Name should not be empty, given value "%s"', $name);

throw new InvalidEmailFormatException($message, 1350297170);

}

}

return true;

}

}