Setono\SyliusStockMovementPlugin\Form\DataTransformer\EmailsToArrayTransformer

Complexity

Total Complexity

7

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	transform()	0	7	2
A	reverseTransform()	0	10	5

<?php

declare(strict_types=1);

namespace Setono\SyliusStockMovementPlugin\Form\DataTransformer;

use const PREG_SPLIT_NO_EMPTY;
use Safe\Exceptions\PcreException;
use Safe\Exceptions\StringsException;
use function Safe\preg_split;
use function Safe\sprintf;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;

final class EmailsToArrayTransformer implements DataTransformerInterface
{
    /**
     * Transforms an array of emails into a string like 'email1@example.com,email2@example.com'
     */
    public function transform($arr): string
    {
        if (!is_array($arr)) {
            return '';
        }

        return implode(',', $arr);
    }

    /**
     * Transforms a string of emails into an array of emails
     *
     * @throws StringsException
     * @throws TransformationFailedException
     */
    public function reverseTransform($str): array
    {
        if (null === $str || '' === $str || !is_string($str)) {
            return [];
        }

        try {
            return preg_split('/[ ,]+/', $str, -1, PREG_SPLIT_NO_EMPTY);
        } catch (PcreException $e) {
            throw new TransformationFailedException(sprintf('It was not possible to convert the string "%s" to an array of emails', $str), 0, $e);
        }
    }
}