UrlPattern.php

<?php

namespace App\Entity;

use App\Exception\InvalidRegularExpression;

class UrlPattern
{
    private ?int $id;
    private string $regex;

    /** @throws InvalidRegularExpression */
    public function __construct(?int $id, string $regex)
    {
        $this->id = $id;
        if (false === preg_match($regex, '')) {
            throw new InvalidRegularExpression();
        }
        $this->regex = $regex;
    }

    public function getId(): ?int
    {
        return $this->id;
    }

    public function returnNonNullId(): int
    {
        if (null === $this->id) {
            throw new \LogicException(sprintf('id should not be null for UrlPattern %s', $this->regex));
        }

        return $this->id;
    }

    public function getRegex(): string
    {
        return $this->regex;
    }
}